diff --git a/.github/workflows/distributed_image_publish.yml b/.github/workflows/distributed_image_publish.yml new file mode 100644 index 00000000..f2f2dc2f --- /dev/null +++ b/.github/workflows/distributed_image_publish.yml @@ -0,0 +1,52 @@ +name: Publish distributed EasyGraph Worker image + +on: + workflow_dispatch: + inputs: + version: + description: Version from setup.py, for example 1.6.4 + required: true + type: string + +permissions: + contents: read + packages: write + +jobs: + publish: + if: github.repository == 'easy-graph/Easy-Graph' + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v4 + with: + submodules: recursive + - name: Match image tag to Python package version + env: + RELEASE_VERSION: ${{ inputs.version }} + run: | + python - <<'PY' + import os + import pathlib + import re + source = pathlib.Path('setup.py').read_text() + match = re.search(r'^\s*version="([^"]+)"', source, re.MULTILINE) + assert match and match.group(1) == os.environ['RELEASE_VERSION'] + PY + - uses: docker/setup-buildx-action@v3 + - uses: docker/login-action@v3 + with: + registry: ghcr.io + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} + - uses: docker/build-push-action@v6 + id: image + with: + context: . + file: deploy/k8s/Dockerfile + platforms: linux/amd64 + push: true + tags: ghcr.io/easy-graph/easygraph-distributed:${{ inputs.version }} + provenance: true + sbom: true + - name: Record digest + run: echo "ghcr.io/easy-graph/easygraph-distributed@${{ steps.image.outputs.digest }}" diff --git a/.github/workflows/wheel_publish.yml b/.github/workflows/wheel_publish.yml index 68f5dd7c..699f8aa4 100644 --- a/.github/workflows/wheel_publish.yml +++ b/.github/workflows/wheel_publish.yml @@ -77,7 +77,7 @@ jobs: needs: [build_wheels, build_sdist] if: >- always() && - ((github.ref == 'refs/heads/pybind11' && needs.build_wheels.result == 'success' && needs.build_sdist.result == 'success') || inputs.artifact_run_id != '') + (((github.ref == 'refs/heads/pybind11' || startsWith(github.ref, 'refs/tags/v')) && needs.build_wheels.result == 'success' && needs.build_sdist.result == 'success') || inputs.artifact_run_id != '') runs-on: ubuntu-latest environment: pypi permissions: diff --git a/CMakeLists.txt b/CMakeLists.txt index ca28feb6..4d49bef2 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -6,6 +6,8 @@ option(EASYGRAPH_ENABLE_OPENMP "Enable OpenMP acceleration (auto-detect)" ON) option(EASYGRAPH_ENABLE_GPU "EASYGRAPH_ENABLE_GPU" OFF) +option(EASYGRAPH_ENABLE_DISTRIBUTED "Build the optional MPI graph analytics backend" OFF) + add_subdirectory(cpp_easygraph) if (EASYGRAPH_ENABLE_GPU) diff --git a/README.md b/README.md index dc8419a3..3627834b 100644 --- a/README.md +++ b/README.md @@ -112,6 +112,11 @@ The conda package is no longer updated or maintained. If you've previously installed EasyGraph with conda, please uninstall it with ``conda`` and reinstall with ``pip``. +The same Python package includes the distributed Kubernetes client. After an +administrator prepares MPI Operator and shared storage, users can launch a +Session without building a Worker image locally. See the +[distributed Kubernetes guide](https://github.com/easy-graph/Easy-Graph/blob/pybind11/docs/distributed_k8s.md). + ## Build From Source If prebuilt EasyGraph wheels are not supported for your platform (OS / CPU arch, check [here](https://pypi.org/simple/python-easygraph/)), or you want to have GPU-based functions enabled, you can build it locally. diff --git a/cpp_easygraph/CMakeLists.txt b/cpp_easygraph/CMakeLists.txt index ae15d7c9..f47905a4 100644 --- a/cpp_easygraph/CMakeLists.txt +++ b/cpp_easygraph/CMakeLists.txt @@ -9,7 +9,17 @@ file(GLOB SOURCES cpp_easygraph.cpp ) -add_subdirectory(pybind11) +if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/pybind11/CMakeLists.txt") + add_subdirectory(pybind11) +else() + find_package(pybind11 CONFIG REQUIRED) +endif() + +include("${CMAKE_CURRENT_LIST_DIR}/cmake/EasyGraphOpenMP.cmake") + +if(EASYGRAPH_ENABLE_DISTRIBUTED) + add_subdirectory(distributed) +endif() option(EASYGRAPH_ENABLE_OPENMP "Enable OpenMP acceleration (auto-detect)" ON) option(EASYGRAPH_ENABLE_GPU "EASYGRAPH_ENABLE_GPU" OFF) @@ -38,46 +48,4 @@ else() endif() -if (EASYGRAPH_ENABLE_OPENMP) - if (APPLE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang") - find_path(EG_LIBOMP_INCLUDE_DIR - NAMES omp.h - PATHS - /opt/homebrew/opt/libomp/include - /usr/local/opt/libomp/include - ) - - find_library(EG_LIBOMP_LIBRARY - NAMES omp libomp - PATHS - /opt/homebrew/opt/libomp/lib - /usr/local/opt/libomp/lib - ) - - if (EG_LIBOMP_INCLUDE_DIR AND EG_LIBOMP_LIBRARY) - message(STATUS "libomp found: ${EG_LIBOMP_LIBRARY}") - - set(OpenMP_C_FLAGS "-Xpreprocessor -fopenmp" CACHE STRING "" FORCE) - set(OpenMP_CXX_FLAGS "-Xpreprocessor -fopenmp" CACHE STRING "" FORCE) - - set(OpenMP_CXX_INCLUDE_DIR "${EG_LIBOMP_INCLUDE_DIR}" CACHE PATH "" FORCE) - set(OpenMP_omp_LIBRARY "${EG_LIBOMP_LIBRARY}" CACHE FILEPATH "" FORCE) - else() - message(STATUS - "libomp not found on macOS. OpenMP will be disabled.\n" - "To enable OpenMP, run: brew install libomp" - ) - endif() - endif() - - find_package(OpenMP QUIET) -endif() - -if (OpenMP_CXX_FOUND) - message(STATUS "OpenMP found, enabling parallel acceleration.") - target_link_libraries(cpp_easygraph PRIVATE OpenMP::OpenMP_CXX) - target_compile_definitions(cpp_easygraph PRIVATE EASYGRAPH_USE_OPENMP=1) -else() - message(STATUS "OpenMP not found, building in single-thread mode.") - target_compile_definitions(cpp_easygraph PRIVATE EASYGRAPH_USE_OPENMP=0) -endif() \ No newline at end of file +target_link_libraries(cpp_easygraph PRIVATE easygraph_openmp) diff --git a/cpp_easygraph/cmake/EasyGraphOpenMP.cmake b/cpp_easygraph/cmake/EasyGraphOpenMP.cmake new file mode 100644 index 00000000..055ffa1f --- /dev/null +++ b/cpp_easygraph/cmake/EasyGraphOpenMP.cmake @@ -0,0 +1,29 @@ +include_guard(GLOBAL) + +option(EASYGRAPH_ENABLE_OPENMP "Enable OpenMP acceleration (auto-detect)" ON) + +if(EASYGRAPH_ENABLE_OPENMP) + if(APPLE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang") + find_path(EG_LIBOMP_INCLUDE_DIR NAMES omp.h + PATHS /opt/homebrew/opt/libomp/include /usr/local/opt/libomp/include) + find_library(EG_LIBOMP_LIBRARY NAMES omp libomp + PATHS /opt/homebrew/opt/libomp/lib /usr/local/opt/libomp/lib) + if(EG_LIBOMP_INCLUDE_DIR AND EG_LIBOMP_LIBRARY) + set(OpenMP_C_FLAGS "-Xpreprocessor -fopenmp" CACHE STRING "" FORCE) + set(OpenMP_CXX_FLAGS "-Xpreprocessor -fopenmp" CACHE STRING "" FORCE) + set(OpenMP_CXX_INCLUDE_DIR "${EG_LIBOMP_INCLUDE_DIR}" CACHE PATH "" FORCE) + set(OpenMP_omp_LIBRARY "${EG_LIBOMP_LIBRARY}" CACHE FILEPATH "" FORCE) + endif() + endif() + find_package(OpenMP QUIET) +endif() + +add_library(easygraph_openmp INTERFACE) +if(EASYGRAPH_ENABLE_OPENMP AND OpenMP_CXX_FOUND) + target_link_libraries(easygraph_openmp INTERFACE OpenMP::OpenMP_CXX) + target_compile_definitions(easygraph_openmp INTERFACE EASYGRAPH_USE_OPENMP=1) + message(STATUS "EasyGraph OpenMP acceleration enabled") +else() + target_compile_definitions(easygraph_openmp INTERFACE EASYGRAPH_USE_OPENMP=0) + message(STATUS "EasyGraph OpenMP unavailable or disabled; using one thread") +endif() diff --git a/cpp_easygraph/common/pagerank_parallel.h b/cpp_easygraph/common/pagerank_parallel.h new file mode 100644 index 00000000..baf4fc4c --- /dev/null +++ b/cpp_easygraph/common/pagerank_parallel.h @@ -0,0 +1,66 @@ +#pragma once + +#include +#include +#ifdef _OPENMP +#include +#endif + +namespace easygraph_parallel { +inline void configure(int threads) { + if (threads < 1) throw std::invalid_argument("OpenMP thread count must be positive"); + #ifdef _OPENMP + omp_set_dynamic(0); + omp_set_num_threads(threads); + #else + if (threads != 1) throw std::runtime_error("OpenMP is unavailable in this build"); + #endif +} + +template +void for_each(std::size_t count, Function function) { + #pragma omp parallel for schedule(dynamic, 128) + for (std::ptrdiff_t i = 0; i < static_cast(count); ++i) function(i); +} + +template +double sum(std::size_t count, Function function) { + double result = 0.0; + #pragma omp parallel for reduction(+:result) + for (std::ptrdiff_t i = 0; i < static_cast(count); ++i) result += function(i); + return result; +} + +inline void add(double& target, double value) { + #pragma omp atomic + target += value; +} + +inline bool enabled() { + #ifdef _OPENMP + return true; + #else + return false; + #endif +} + +inline int max_threads() { + #ifdef _OPENMP + return omp_get_max_threads(); + #else + return 1; + #endif +} + +inline int team_size() { + int result = 1; + #ifdef _OPENMP + #pragma omp parallel + { + #pragma omp single + result = omp_get_num_threads(); + } + #endif + return result; +} +} diff --git a/cpp_easygraph/distributed/CMakeLists.txt b/cpp_easygraph/distributed/CMakeLists.txt new file mode 100644 index 00000000..2f8d9219 --- /dev/null +++ b/cpp_easygraph/distributed/CMakeLists.txt @@ -0,0 +1,21 @@ +cmake_minimum_required(VERSION 3.23) +if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) + project(easygraph_distributed LANGUAGES CXX) + set(PYBIND11_FINDPYTHON ON) + find_package(Python COMPONENTS Interpreter Development.Module REQUIRED) + find_package(pybind11 CONFIG REQUIRED) +endif() + +include("${CMAKE_CURRENT_LIST_DIR}/../cmake/EasyGraphOpenMP.cmake") +find_package(MPI REQUIRED COMPONENTS CXX) +pybind11_add_module(cpp_easygraph_distributed + bindings.cpp + communicator.cpp + distributed_graph.cpp + partitioner.cpp + loader.cpp + worker.cpp + algorithms/pagerank.cpp +) +target_compile_features(cpp_easygraph_distributed PRIVATE cxx_std_11) +target_link_libraries(cpp_easygraph_distributed PRIVATE MPI::MPI_CXX easygraph_openmp) diff --git a/cpp_easygraph/distributed/algorithms/pagerank.cpp b/cpp_easygraph/distributed/algorithms/pagerank.cpp new file mode 100644 index 00000000..a96bb1fd --- /dev/null +++ b/cpp_easygraph/distributed/algorithms/pagerank.cpp @@ -0,0 +1,8 @@ +#include "pagerank.h" + +namespace egdist { +PageRankResult pagerank(const DistributedGraph& graph, double alpha, int max_iter, + double tol, bool weighted) { + return PageRankWorker(graph).run(alpha, max_iter, tol, weighted); +} +} diff --git a/cpp_easygraph/distributed/algorithms/pagerank.h b/cpp_easygraph/distributed/algorithms/pagerank.h new file mode 100644 index 00000000..8f3c15e2 --- /dev/null +++ b/cpp_easygraph/distributed/algorithms/pagerank.h @@ -0,0 +1,7 @@ +#pragma once +#include "../worker.h" + +namespace egdist { +PageRankResult pagerank(const DistributedGraph& graph, double alpha, int max_iter, + double tol, bool weighted); +} diff --git a/cpp_easygraph/distributed/bindings.cpp b/cpp_easygraph/distributed/bindings.cpp new file mode 100644 index 00000000..f18e4489 --- /dev/null +++ b/cpp_easygraph/distributed/bindings.cpp @@ -0,0 +1,46 @@ +#include +#include + +#include "algorithms/pagerank.h" +#include "communicator.h" +#include "distributed_graph.h" +#include "loader.h" +#include "../common/pagerank_parallel.h" + +namespace py = pybind11; +using namespace egdist; + +PYBIND11_MODULE(cpp_easygraph_distributed, m) { + m.doc() = "Optional MPI backend for EasyGraph distributed analytics"; + m.def("finalize_mpi", &finalize_mpi); + m.def("configure_parallelism", &easygraph_parallel::configure, py::arg("threads")); + m.def("parallel_info", []() { + py::dict info; + info["openmp_enabled"] = easygraph_parallel::enabled(); + info["max_threads"] = easygraph_parallel::max_threads(); + info["team_size"] = easygraph_parallel::team_size(); + return info; + }); + py::class_>(m, "Communicator") + .def(py::init<>()) + .def_property_readonly("rank", &Communicator::rank) + .def_property_readonly("size", &Communicator::size) + .def_property_readonly("closed", &Communicator::closed) + .def("close", &Communicator::close) + .def("barrier", &Communicator::barrier) + .def("check_error", &Communicator::check_error) + .def("agree", &Communicator::agree) + .def("broadcast_string", &Communicator::broadcast_string) + .def("gather_result", &Communicator::gather_result); + py::class_>(m, "DistributedGraph") + .def_readonly("vertices", &DistributedGraph::vertices) + .def_readonly("global_num_vertices", &DistributedGraph::global_num_vertices) + .def_readonly("global_num_edges", &DistributedGraph::global_num_edges) + .def_property_readonly("local_num_arcs", [](const DistributedGraph& g) { return g.targets.size(); }); + m.def("read_edgelist", &read_edgelist, py::arg("path"), py::arg("comm"), py::arg("directed")); + m.def("pagerank", [](const DistributedGraph& graph, double alpha, int max_iter, + double tol, bool weighted) { + auto result = pagerank(graph, alpha, max_iter, tol, weighted); + return py::make_tuple(result.ids, result.values, result.iterations); + }, py::arg("graph"), py::arg("alpha"), py::arg("max_iter"), py::arg("tol"), py::arg("weighted")); +} diff --git a/cpp_easygraph/distributed/communicator.cpp b/cpp_easygraph/distributed/communicator.cpp new file mode 100644 index 00000000..5a3cf528 --- /dev/null +++ b/cpp_easygraph/distributed/communicator.cpp @@ -0,0 +1,143 @@ +#include "communicator.h" + +#include +#include + +#include "../common/pagerank_parallel.h" + +namespace egdist { +namespace { +bool owns_mpi = false; +} + +void mpi_check(int code) { + if (code == MPI_SUCCESS) return; + char message[MPI_MAX_ERROR_STRING]; + int length = 0; + MPI_Error_string(code, message, &length); + throw std::runtime_error(std::string(message, length)); +} + +Communicator::Communicator() { + if (const char* requested = std::getenv("OMP_NUM_THREADS")) { + std::size_t consumed = 0; + const std::string value(requested); + const int threads = std::stoi(value, &consumed); + if (consumed != value.size()) { + throw std::invalid_argument("OMP_NUM_THREADS must be a positive integer"); + } + easygraph_parallel::configure(threads); + } + int initialized = 0, finalized = 0; + MPI_Initialized(&initialized); + MPI_Finalized(&finalized); + if (finalized) throw std::runtime_error("MPI has already been finalized"); + if (!initialized) { + int provided = 0; + mpi_check(MPI_Init_thread(nullptr, nullptr, MPI_THREAD_FUNNELED, &provided)); + owns_mpi = true; + if (provided < MPI_THREAD_FUNNELED) { + throw std::runtime_error("MPI_THREAD_FUNNELED is required"); + } + } + mpi_check(MPI_Comm_dup(MPI_COMM_WORLD, &comm_)); + mpi_check(MPI_Comm_set_errhandler(comm_, MPI_ERRORS_RETURN)); + mpi_check(MPI_Comm_rank(comm_, &rank_)); + mpi_check(MPI_Comm_size(comm_, &size_)); +} + +Communicator::~Communicator() { + int finalized = 0; + MPI_Finalized(&finalized); + if (!finalized && !closed()) MPI_Comm_free(&comm_); +} + +void finalize_mpi() { + int finalized = 0; + MPI_Finalized(&finalized); + if (owns_mpi && !finalized) MPI_Finalize(); +} + +void Communicator::ensure_open() const { + int finalized = 0; + MPI_Finalized(&finalized); + if (closed() || finalized) throw std::runtime_error("The distributed Context is closed"); +} + +void Communicator::close() { + if (closed()) return; + ensure_open(); + mpi_check(MPI_Comm_free(&comm_)); +} + +void Communicator::barrier() const { mpi_check(MPI_Barrier(handle())); } + +void Communicator::check_error(const std::string& error) const { + int candidate = error.empty() ? size_ : rank_, source = size_; + mpi_check(MPI_Allreduce(&candidate, &source, 1, MPI_INT, MPI_MIN, handle())); + if (source == size_) return; + int length = rank_ == source ? static_cast(error.size()) : 0; + mpi_check(MPI_Bcast(&length, 1, MPI_INT, source, handle())); + std::string message = rank_ == source ? error : std::string(length, '\0'); + mpi_check(MPI_Bcast(&message[0], length, MPI_CHAR, source, handle())); + throw std::runtime_error("rank " + std::to_string(source) + ": " + message); +} + +void Communicator::agree(const std::string& value) const { + int length = rank_ == 0 ? static_cast(value.size()) : 0; + mpi_check(MPI_Bcast(&length, 1, MPI_INT, 0, handle())); + std::string expected = rank_ == 0 ? value : std::string(length, '\0'); + mpi_check(MPI_Bcast(length ? &expected[0] : nullptr, length, MPI_CHAR, 0, handle())); + check_error(value == expected ? "" : "Collective arguments differ between ranks"); +} + +std::string Communicator::broadcast_string(const std::string& value, int root) const { + agree(std::to_string(root)); + check_error(root < 0 || root >= size_ ? "Invalid broadcast root" : ""); + int length = rank_ == root ? static_cast(value.size()) : 0; + mpi_check(MPI_Bcast(&length, 1, MPI_INT, root, handle())); + std::string result = rank_ == root ? value : std::string(length, '\0'); + mpi_check(MPI_Bcast(length ? &result[0] : nullptr, length, MPI_CHAR, root, handle())); + return result; +} + +double Communicator::sum(double value) const { + double result = 0; + mpi_check(MPI_Allreduce(&value, &result, 1, MPI_DOUBLE, MPI_SUM, handle())); + return result; +} + +Offset Communicator::sum(Offset value) const { + Offset result = 0; + mpi_check(MPI_Allreduce(&value, &result, 1, MPI_UINT64_T, MPI_SUM, handle())); + return result; +} + +std::pair, std::vector> Communicator::gather_result( + const std::vector& ids, const std::vector& values, int root) const { + agree(std::to_string(root)); + check_error(root < 0 || root >= size_ ? "Invalid gather root" : + ids.size() != values.size() ? "Result array lengths differ" : + ids.size() > INT_MAX ? "Local result exceeds MPI count limit" : ""); + int count = static_cast(ids.size()); + std::vector counts(size_), offsets(size_); + mpi_check(MPI_Gather(&count, 1, MPI_INT, counts.data(), 1, MPI_INT, root, handle())); + std::size_t total = 0; + bool overflow = false; + if (rank_ == root) { + for (int i = 0; i < size_; ++i) { + overflow = overflow || total > static_cast(INT_MAX - counts[i]); + if (!overflow) { offsets[i] = static_cast(total); total += counts[i]; } + } + } + check_error(overflow ? "Gathered result exceeds MPI count limit" : ""); + std::pair, std::vector> result; + result.first.resize(total); + result.second.resize(total); + mpi_check(MPI_Gatherv(ids.data(), count, MPI_INT64_T, result.first.data(), counts.data(), + offsets.data(), MPI_INT64_T, root, handle())); + mpi_check(MPI_Gatherv(values.data(), count, MPI_DOUBLE, result.second.data(), counts.data(), + offsets.data(), MPI_DOUBLE, root, handle())); + return result; +} +} diff --git a/cpp_easygraph/distributed/communicator.h b/cpp_easygraph/distributed/communicator.h new file mode 100644 index 00000000..a6d5bb51 --- /dev/null +++ b/cpp_easygraph/distributed/communicator.h @@ -0,0 +1,131 @@ +#pragma once + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "types.h" + +namespace egdist { +void mpi_check(int code); +void finalize_mpi(); + +class Communicator { +public: + Communicator(); + ~Communicator(); + Communicator(const Communicator&) = delete; + Communicator& operator=(const Communicator&) = delete; + void close(); + bool closed() const { return comm_ == MPI_COMM_NULL; } + void ensure_open() const; + int rank() const { ensure_open(); return rank_; } + int size() const { ensure_open(); return size_; } + MPI_Comm handle() const { ensure_open(); return comm_; } + void barrier() const; + void check_error(const std::string& error) const; + void agree(const std::string& value) const; + std::string broadcast_string(const std::string& value, int root) const; + double sum(double value) const; + Offset sum(Offset value) const; + std::pair, std::vector> gather_result( + const std::vector& ids, const std::vector& values, + int root) const; + + + + template + std::vector exchange(const std::vector>& buckets, + std::size_t max_round_bytes = 256u << 20) const { + static_assert(std::is_trivially_copyable::value, "POD records required"); + ensure_open(); + check_error(buckets.size() == static_cast(size_) ? "" : + "Incorrect number of destination buckets"); + // MPI_Alltoallv uses int byte counts and displacements. Exchange the full + // element counts first, then move bounded rounds into the final buffer. + std::vector send_sizes(size_), recv_sizes(size_); + for (int i = 0; i < size_; ++i) send_sizes[i] = buckets[i].size(); + mpi_check(MPI_Alltoall(send_sizes.data(), 1, MPI_UNSIGNED_LONG_LONG, + recv_sizes.data(), 1, MPI_UNSIGNED_LONG_LONG, handle())); + + std::vector recv_starts(size_), recv_written(size_, 0); + std::size_t recv_total = 0; + bool overflow = false; + for (int i = 0; i < size_; ++i) { + overflow = overflow || recv_sizes[i] > + (std::numeric_limits::max() - recv_total); + if (!overflow) { + recv_starts[i] = recv_total; + recv_total += static_cast(recv_sizes[i]); + } + } + check_error(overflow ? "MPI exchange receive size overflow" : ""); + std::vector received(recv_total); + + const auto round_bytes = std::min(max_round_bytes, static_cast(INT_MAX)); + const auto round_records = round_bytes / static_cast(size_) / sizeof(T); + check_error(round_records ? "" : "MPI communicator has too many ranks for exchange"); + std::vector send_written(size_, 0); + std::vector counts(size_), offsets(size_), recv_counts(size_), recv_offsets(size_); + while (true) { + int pending = 0; + for (int i = 0; i < size_; ++i) { + pending |= send_written[i] < buckets[i].size(); + } + int any_pending = 0; + mpi_check(MPI_Allreduce(&pending, &any_pending, 1, MPI_INT, MPI_MAX, handle())); + if (!any_pending) break; + + std::size_t send_round_total = 0; + for (int i = 0; i < size_; ++i) { + offsets[i] = static_cast(send_round_total * sizeof(T)); + const auto count = std::min(round_records, buckets[i].size() - send_written[i]); + counts[i] = static_cast(count * sizeof(T)); + send_round_total += count; + } + std::vector send; + send.reserve(send_round_total); + for (int i = 0; i < size_; ++i) { + const auto count = static_cast(counts[i]) / sizeof(T); + send.insert(send.end(), buckets[i].begin() + send_written[i], + buckets[i].begin() + send_written[i] + count); + send_written[i] += count; + } + mpi_check(MPI_Alltoall(counts.data(), 1, MPI_INT, recv_counts.data(), 1, + MPI_INT, handle())); + std::size_t recv_round_total = 0; + for (int i = 0; i < size_; ++i) { + recv_offsets[i] = static_cast(recv_round_total * sizeof(T)); + recv_round_total += static_cast(recv_counts[i]) / sizeof(T); + } + std::vector recv_round(recv_round_total); + mpi_check(MPI_Alltoallv(send.data(), counts.data(), offsets.data(), MPI_BYTE, + recv_round.data(), recv_counts.data(), recv_offsets.data(), + MPI_BYTE, handle())); + for (int i = 0; i < size_; ++i) { + const auto count = static_cast(recv_counts[i]) / sizeof(T); + if (count) { + std::copy_n(recv_round.begin() + recv_offsets[i] / sizeof(T), count, + received.begin() + recv_starts[i] + recv_written[i]); + } + recv_written[i] += count; + } + } + return received; + } + +private: + MPI_Comm comm_ = MPI_COMM_NULL; + int rank_ = 0; + int size_ = 0; +}; +} diff --git a/cpp_easygraph/distributed/distributed_graph.cpp b/cpp_easygraph/distributed/distributed_graph.cpp new file mode 100644 index 00000000..69055a81 --- /dev/null +++ b/cpp_easygraph/distributed/distributed_graph.cpp @@ -0,0 +1,52 @@ +#include "distributed_graph.h" + +#include +#include + +namespace egdist { +DistributedGraph::DistributedGraph(std::shared_ptr comm_, bool directed_, + std::vector owned, std::vector edges) + : comm(std::move(comm_)), partitioner(comm->size()), directed(directed_) { + std::sort(owned.begin(), owned.end()); + owned.erase(std::unique(owned.begin(), owned.end()), owned.end()); + vertices = std::move(owned); + for (std::size_t i = 0; i < vertices.size(); ++i) local_index.emplace(vertices[i], i); + std::sort(edges.begin(), edges.end(), [](const EdgeRecord& a, const EdgeRecord& b) { + if (a.source != b.source) return a.source < b.source; + if (a.target != b.target) return a.target < b.target; + return a.order > b.order; + }); + edges.erase(std::unique(edges.begin(), edges.end(), [](const EdgeRecord& a, const EdgeRecord& b) { + return a.source == b.source && a.target == b.target; + }), edges.end()); + offsets.assign(vertices.size() + 1, 0); + Offset logical_edges = 0; + for (const auto& edge : edges) { + ++offsets[local_index.at(edge.source) + 1]; + targets.push_back(edge.target); + weights.push_back(edge.weight); + if (directed || edge.source <= edge.target) ++logical_edges; + } + for (std::size_t i = 1; i < offsets.size(); ++i) offsets[i] += offsets[i - 1]; + const int rank = comm->rank(); + remote_targets.resize(comm->size()); + for (auto target : targets) { + const int owner = partitioner.owner(target); + if (owner != rank) remote_targets[owner].push_back(target); + } + std::unordered_map remote_slots; + contribution_slots = vertices.size(); + for (auto& bucket : remote_targets) { + std::sort(bucket.begin(), bucket.end()); + bucket.erase(std::unique(bucket.begin(), bucket.end()), bucket.end()); + for (auto target : bucket) remote_slots.emplace(target, contribution_slots++); + } + target_slots.reserve(targets.size()); + for (auto target : targets) { + target_slots.push_back(partitioner.owner(target) == rank ? + local_index.at(target) : remote_slots.at(target)); + } + global_num_vertices = comm->sum(static_cast(vertices.size())); + global_num_edges = comm->sum(logical_edges); +} +} diff --git a/cpp_easygraph/distributed/distributed_graph.h b/cpp_easygraph/distributed/distributed_graph.h new file mode 100644 index 00000000..73d6e995 --- /dev/null +++ b/cpp_easygraph/distributed/distributed_graph.h @@ -0,0 +1,31 @@ +#pragma once + +#include +#include +#include + +#include "communicator.h" +#include "partitioner.h" +#include "types.h" + +namespace egdist { +class DistributedGraph { +public: + DistributedGraph(std::shared_ptr comm, bool directed, + std::vector owned, std::vector edges); + std::shared_ptr comm; + Partitioner partitioner; + bool directed; + Offset global_num_vertices = 0; + Offset global_num_edges = 0; + std::vector vertices; + std::unordered_map local_index; + std::vector offsets; + + std::vector targets; + std::vector weights; + std::vector target_slots; + std::vector> remote_targets; + std::size_t contribution_slots = 0; +}; +} diff --git a/cpp_easygraph/distributed/loader.cpp b/cpp_easygraph/distributed/loader.cpp new file mode 100644 index 00000000..cd771595 --- /dev/null +++ b/cpp_easygraph/distributed/loader.cpp @@ -0,0 +1,100 @@ +#include "loader.h" + +#include +#include +#include +#include +#include +#include +#include + +namespace egdist { +namespace { +VertexId parse_id(const std::string& token) { + std::size_t end = 0; + const auto value = std::stoll(token, &end); + if (end != token.size() || value < 0) { + throw std::invalid_argument("Vertex IDs must be nonnegative signed 64-bit integers"); + } + return static_cast(value); +} +} + +std::shared_ptr read_edgelist( + const std::string& path, std::shared_ptr comm, bool directed) { + comm->agree(path); + comm->agree(directed ? "directed" : "undirected"); + std::ifstream stream(path, std::ios::binary); + comm->check_error(stream ? "" : "Cannot open edge list: " + path); + stream.seekg(0, std::ios::end); + const auto file_end = stream.tellg(); + comm->check_error(file_end < 0 ? "Cannot determine edge-list file size" : ""); + const auto bytes = static_cast(file_end); + comm->agree(std::to_string(bytes)); + + const auto rank = comm->rank(); + const auto size = comm->size(); + const Offset begin = bytes / size * rank + std::min(bytes % size, rank); + const Offset end = bytes / size * (rank + 1) + std::min(bytes % size, rank + 1); + stream.seekg(static_cast(begin)); + if (begin > 0) { + stream.seekg(static_cast(begin - 1)); + char previous = 0; + stream.get(previous); + if (previous != '\n') { + std::string partial; + std::getline(stream, partial); + } + } + Partitioner partitioner(size); + std::vector> vertex_buckets(size); + std::vector> edge_buckets(size); + std::string error; + while (stream) { + const auto position = stream.tellg(); + if (position < 0 || static_cast(position) >= end) break; + std::string line; + if (!std::getline(stream, line)) break; + line = line.substr(0, line.find('#')); + std::istringstream record(line); + std::vector tokens; + for (std::string token; record >> token;) tokens.push_back(token); + if (tokens.empty()) continue; + try { + if (tokens.size() > 3) throw std::invalid_argument("Expected u, u v, or u v weight"); + const auto u = parse_id(tokens[0]); + vertex_buckets[partitioner.owner(u)].push_back(u); + if (tokens.size() == 1) continue; + const auto v = parse_id(tokens[1]); + double weight = 1.0; + if (tokens.size() == 3) { + std::size_t parsed = 0; + weight = std::stod(tokens[2], &parsed); + if (parsed != tokens[2].size() || !std::isfinite(weight) || weight < 0) { + throw std::invalid_argument("Weights must be finite and nonnegative"); + } + } + vertex_buckets[partitioner.owner(v)].push_back(v); + const auto order = static_cast(position); + edge_buckets[partitioner.owner(u)].push_back({u, v, weight, order}); + if (!directed && u != v) { + edge_buckets[partitioner.owner(v)].push_back({v, u, weight, order}); + } + } catch (const std::exception& exc) { + error = "Invalid record at byte " + std::to_string(static_cast(position)) + + ": " + exc.what(); + break; + } + } + if (stream.bad()) error = "I/O error while reading edge list: " + path; + comm->check_error(error); + + for (auto& bucket : vertex_buckets) { + std::sort(bucket.begin(), bucket.end()); + bucket.erase(std::unique(bucket.begin(), bucket.end()), bucket.end()); + } + auto vertices = comm->exchange(vertex_buckets); + auto edges = comm->exchange(edge_buckets); + return std::make_shared(comm, directed, std::move(vertices), std::move(edges)); +} +} diff --git a/cpp_easygraph/distributed/loader.h b/cpp_easygraph/distributed/loader.h new file mode 100644 index 00000000..bc262fd5 --- /dev/null +++ b/cpp_easygraph/distributed/loader.h @@ -0,0 +1,9 @@ +#pragma once +#include +#include +#include "distributed_graph.h" + +namespace egdist { +std::shared_ptr read_edgelist( + const std::string& path, std::shared_ptr comm, bool directed); +} diff --git a/cpp_easygraph/distributed/partitioner.cpp b/cpp_easygraph/distributed/partitioner.cpp new file mode 100644 index 00000000..6103decc --- /dev/null +++ b/cpp_easygraph/distributed/partitioner.cpp @@ -0,0 +1,12 @@ +#include "partitioner.h" +#include + +namespace egdist { +Partitioner::Partitioner(int partitions) : partitions_(partitions) { + if (partitions <= 0) throw std::invalid_argument("Partition count must be positive"); +} +int Partitioner::owner(VertexId vertex) const { + if (vertex < 0) throw std::invalid_argument("Vertex IDs must be nonnegative"); + return static_cast(vertex % partitions_); +} +} diff --git a/cpp_easygraph/distributed/partitioner.h b/cpp_easygraph/distributed/partitioner.h new file mode 100644 index 00000000..fcac8db0 --- /dev/null +++ b/cpp_easygraph/distributed/partitioner.h @@ -0,0 +1,12 @@ +#pragma once +#include "types.h" + +namespace egdist { +class Partitioner { +public: + explicit Partitioner(int partitions); + int owner(VertexId vertex) const; +private: + int partitions_; +}; +} diff --git a/cpp_easygraph/distributed/types.h b/cpp_easygraph/distributed/types.h new file mode 100644 index 00000000..3d9af017 --- /dev/null +++ b/cpp_easygraph/distributed/types.h @@ -0,0 +1,20 @@ +#pragma once + +#include + +namespace egdist { +using VertexId = std::int64_t; +using Offset = std::uint64_t; + +struct EdgeRecord { + VertexId source; + VertexId target; + double weight; + Offset order; +}; + +struct Update { + VertexId vertex; + double value; +}; +} diff --git a/cpp_easygraph/distributed/worker.cpp b/cpp_easygraph/distributed/worker.cpp new file mode 100644 index 00000000..ec2a777a --- /dev/null +++ b/cpp_easygraph/distributed/worker.cpp @@ -0,0 +1,72 @@ +#include "worker.h" + +#include +#include +#include +#include +#include + +#include "../common/pagerank_parallel.h" + +namespace egdist { +PageRankResult PageRankWorker::run(double alpha, int max_iter, double tol, bool weighted) const { + const auto& g = graph_; + const auto& comm = *g.comm; + comm.check_error(!std::isfinite(alpha) || alpha < 0 || alpha >= 1 ? "alpha must be in [0, 1)" : + max_iter <= 0 ? "max_iter must be positive" : + !std::isfinite(tol) || tol <= 0 ? "tol must be finite and positive" : ""); + std::ostringstream params; + params << std::setprecision(17) << alpha << ',' << max_iter << ',' << tol << ',' << weighted; + comm.agree(params.str()); + const auto n = g.global_num_vertices; + if (!n) return {g.vertices, {}, 0}; + std::vector old(g.vertices.size(), 1.0 / n), next(old.size()), normalizer(old.size()); + easygraph_parallel::for_each(old.size(), [&](std::size_t i) { + if (!weighted) normalizer[i] = g.offsets[i + 1] - g.offsets[i]; + else for (auto e = g.offsets[i]; e < g.offsets[i + 1]; ++e) normalizer[i] += g.weights[e]; + }); + bool invalid_sum = false; + for (auto sum : normalizer) invalid_sum = invalid_sum || !std::isfinite(sum); + comm.check_error(invalid_sum ? "Outgoing weight sum overflowed" : ""); + std::vector contributions(g.contribution_slots); + std::vector> buckets(comm.size()); + std::vector outgoing; + outgoing.reserve(g.contribution_slots - old.size()); + for (std::size_t owner = 0; owner < buckets.size(); ++owner) { + for (auto vertex : g.remote_targets[owner]) buckets[owner].push_back({vertex, 0.0}); + for (auto& update : buckets[owner]) outgoing.push_back(&update.value); + } + for (int iteration = 1; iteration <= max_iter; ++iteration) { + easygraph_parallel::for_each(contributions.size(), [&](std::size_t i) { + contributions[i] = 0.0; + }); + const double local_dangling = easygraph_parallel::sum(old.size(), [&](std::size_t i) { + return normalizer[i] == 0 ? old[i] : 0.0; + }); + easygraph_parallel::for_each(old.size(), [&](std::size_t i) { + if (normalizer[i] == 0) return; + const double scale = weighted ? alpha * old[i] : alpha * old[i] / normalizer[i]; + for (auto e = g.offsets[i]; e < g.offsets[i + 1]; ++e) { + const double value = weighted ? scale * (g.weights[e] / normalizer[i]) : scale; + easygraph_parallel::add(contributions[g.target_slots[e]], value); + } + }); + easygraph_parallel::for_each(outgoing.size(), [&](std::size_t i) { + *outgoing[i] = contributions[old.size() + i]; + }); + const auto received = comm.exchange(buckets); + easygraph_parallel::for_each(received.size(), [&](std::size_t i) { + const auto& update = received[i]; + easygraph_parallel::add(contributions[g.local_index.at(update.vertex)], update.value); + }); + const double jump = (1.0 - alpha + alpha * comm.sum(local_dangling)) / n; + const double local_error = easygraph_parallel::sum(old.size(), [&](std::size_t i) { + next[i] = contributions[i] + jump; + return std::abs(next[i] - old[i]); + }); + old.swap(next); + if (comm.sum(local_error) < tol * n) return {g.vertices, std::move(old), iteration}; + } + throw std::runtime_error("Distributed PageRank did not converge within max_iter"); +} +} diff --git a/cpp_easygraph/distributed/worker.h b/cpp_easygraph/distributed/worker.h new file mode 100644 index 00000000..fc9749cf --- /dev/null +++ b/cpp_easygraph/distributed/worker.h @@ -0,0 +1,20 @@ +#pragma once +#include +#include "distributed_graph.h" + +namespace egdist { +struct PageRankResult { + std::vector ids; + std::vector values; + int iterations; +}; + + +class PageRankWorker { +public: + explicit PageRankWorker(const DistributedGraph& graph) : graph_(graph) {} + PageRankResult run(double alpha, int max_iter, double tol, bool weighted) const; +private: + const DistributedGraph& graph_; +}; +} diff --git a/cpp_easygraph/functions/pagerank/pagerank.cpp b/cpp_easygraph/functions/pagerank/pagerank.cpp index dcc489a6..05bc22ad 100644 --- a/cpp_easygraph/functions/pagerank/pagerank.cpp +++ b/cpp_easygraph/functions/pagerank/pagerank.cpp @@ -3,11 +3,9 @@ #include #include #include -#ifdef _OPENMP -#include -#endif #include "pagerank.h" +#include "../../common/pagerank_parallel.h" #include "../../classes/directed_graph.h" #include "../../classes/graph.h" #include "../../common/utils.h" @@ -68,46 +66,42 @@ py::object _pagerank(py::object G, double alpha, int max_iterator, double thresh int cnt = 0; while (cnt < max_iterator) { - double dangling_sum = 0.0; - - #pragma omp parallel for reduction(+:dangling_sum) - for (int i = 1; i <= N; ++i) { - bool is_dangling = use_weighted_logic ? (outWeightSum[i] < 1e-15) : (outDegree[i] == 0); - if (is_dangling) dangling_sum += oldPR[i]; - } + const double dangling_sum = easygraph_parallel::sum(N, [&](std::size_t index) { + const int i = static_cast(index) + 1; + const bool is_dangling = use_weighted_logic ? (outWeightSum[i] < 1e-15) : (outDegree[i] == 0); + return is_dangling ? oldPR[i] : 0.0; + }); if (!use_weighted_logic) { - #pragma omp parallel for schedule(dynamic, 128) - for (int i = 1; i <= N; ++i) { - if (outDegree[i] == 0) continue; + easygraph_parallel::for_each(N, [&](std::size_t index) { + const int i = static_cast(index) + 1; + if (outDegree[i] == 0) return; double out_val = (oldPR[i] / outDegree[i]) * alpha; for (int p = head[i]; p != -1; p = E[p].next) { - #pragma omp atomic - newPR[E[p].to] += out_val; + easygraph_parallel::add(newPR[E[p].to], out_val); } - } + }); } else { - #pragma omp parallel for schedule(dynamic, 128) - for (int i = 1; i <= N; ++i) { - if (outWeightSum[i] < 1e-15) continue; + easygraph_parallel::for_each(N, [&](std::size_t index) { + const int i = static_cast(index) + 1; + if (outWeightSum[i] < 1e-15) return; double out_val = (oldPR[i] / outWeightSum[i]) * alpha; for (int p = head[i]; p != -1; p = E[p].next) { - #pragma omp atomic - newPR[E[p].to] += out_val * E[p].w; + easygraph_parallel::add(newPR[E[p].to], out_val * E[p].w); } - } + }); } - double diff_sum = 0.0; double jump_val = (1.0 - alpha) / N + (dangling_sum / N) * alpha; - #pragma omp parallel for reduction(+:diff_sum) - for (int i = 1; i <= N; ++i) { + const double diff_sum = easygraph_parallel::sum(N, [&](std::size_t index) { + const int i = static_cast(index) + 1; double final_pr = newPR[i] + jump_val; - diff_sum += std::fabs(final_pr - oldPR[i]); + const double difference = std::fabs(final_pr - oldPR[i]); oldPR[i] = final_pr; newPR[i] = 0.0; - } + return difference; + }); if (diff_sum < threshold * N) break; cnt++; @@ -116,4 +110,4 @@ py::object _pagerank(py::object G, double alpha, int max_iterator, double thresh py::list res_lst; for (int i = 1; i <= N; ++i) res_lst.append(oldPR[i]); return res_lst; -} \ No newline at end of file +} diff --git a/deploy/k8s/Dockerfile b/deploy/k8s/Dockerfile new file mode 100644 index 00000000..3d2b6e94 --- /dev/null +++ b/deploy/k8s/Dockerfile @@ -0,0 +1,32 @@ +FROM python:3.11-slim-bookworm AS compiled + +ARG MPI_UID=20001 +ARG MPI_GID=4322 +ENV PYTHONUNBUFFERED=1 OMP_NUM_THREADS=1 OPENBLAS_NUM_THREADS=1 +RUN apt-get update && apt-get install -y --no-install-recommends \ + build-essential cmake libopenmpi-dev openmpi-bin openssh-server openssh-client \ + && rm -rf /var/lib/apt/lists/* \ + && groupadd -g ${MPI_GID} mpiuser \ + && useradd -m -u ${MPI_UID} -g ${MPI_GID} -s /bin/bash mpiuser \ + && mkdir -p /run/sshd + +WORKDIR /opt/easygraph +RUN python -m pip install --no-cache-dir torch==2.6.0 --index-url https://download.pytorch.org/whl/cpu +COPY . . +RUN python -m pip install --no-cache-dir setuptools==75.8.0 wheel Cython pybind11==3.0.1 \ + && CMAKE_BUILD_PARALLEL_LEVEL=2 EASYGRAPH_ENABLE_DISTRIBUTED=ON \ + python -m pip install --no-cache-dir --no-build-isolation . \ + && rm -rf build + +FROM compiled AS runtime +RUN python -m pip check && python -c 'import easygraph.distributed, cpp_easygraph_distributed' +COPY deploy/k8s /opt/easygraph/deploy/k8s +COPY deploy/k8s/ssh-client.conf /etc/ssh/ssh_config.d/easygraph.conf +COPY deploy/k8s/sshd_config /home/mpiuser/.sshd_config +COPY deploy/k8s/start-worker.sh /usr/local/bin/start-easygraph-worker +RUN chown mpiuser:mpiuser /home/mpiuser/.sshd_config +USER mpiuser +ENV PATH=/usr/local/bin:/usr/bin:/bin +WORKDIR /home/mpiuser +EXPOSE 2222 +CMD ["bash", "/usr/local/bin/start-easygraph-worker"] diff --git a/deploy/k8s/Dockerfile.dockerignore b/deploy/k8s/Dockerfile.dockerignore new file mode 100644 index 00000000..a2ca73fb --- /dev/null +++ b/deploy/k8s/Dockerfile.dockerignore @@ -0,0 +1,13 @@ +.git +build +dist +output +*.so +*.egg-info +**/__pycache__ +.pytest_cache +.venv +venv +deploy/k8s/vendor +deploy/k8s/validation +deploy/k8s/runs diff --git a/deploy/k8s/build.sh b/deploy/k8s/build.sh new file mode 100644 index 00000000..a457b4fa --- /dev/null +++ b/deploy/k8s/build.sh @@ -0,0 +1,7 @@ +#!/usr/bin/env bash +set -euo pipefail +cd "$(dirname "$0")/../.." +IMAGE=${IMAGE:-docker.io/library/easygraph-distributed:k8s-20261016} +buildah bud --layers --format docker --isolation chroot \ + --security-opt seccomp=unconfined --ignorefile deploy/k8s/Dockerfile.dockerignore \ + -t "$IMAGE" -f deploy/k8s/Dockerfile . diff --git a/deploy/k8s/install-operator.sh b/deploy/k8s/install-operator.sh new file mode 100644 index 00000000..9e5c7d47 --- /dev/null +++ b/deploy/k8s/install-operator.sh @@ -0,0 +1,15 @@ +#!/usr/bin/env bash +set -euo pipefail +cd "$(dirname "$0")" +mkdir -p vendor +manifest=vendor/mpi-operator-v0.8.2.yaml +if [[ ! -f "$manifest" ]]; then + curl -fsSL https://raw.githubusercontent.com/kubeflow/mpi-operator/v0.8.2/deploy/v2beta1/mpi-operator.yaml -o "$manifest" +fi +printf '%s %s\n' a7eafe901bebde1410ae0448c2d1ada214a64b2686f6aa44e74eff978573033f "$manifest" | sha256sum -c - +if ! kubectl get namespace mpi-operator >/dev/null 2>&1; then + kubectl create namespace mpi-operator +fi +kubectl apply --server-side --dry-run=server -f "$manifest" +kubectl apply --server-side -f "$manifest" +kubectl -n mpi-operator rollout status deployment/mpi-operator --timeout=180s diff --git a/deploy/k8s/ssh-client.conf b/deploy/k8s/ssh-client.conf new file mode 100644 index 00000000..ab7a887c --- /dev/null +++ b/deploy/k8s/ssh-client.conf @@ -0,0 +1,5 @@ +Host * + Port 2222 + StrictHostKeyChecking no + UserKnownHostsFile /dev/null + LogLevel ERROR diff --git a/deploy/k8s/sshd_config b/deploy/k8s/sshd_config new file mode 100644 index 00000000..101736e1 --- /dev/null +++ b/deploy/k8s/sshd_config @@ -0,0 +1,11 @@ +Port 2222 +ListenAddress 0.0.0.0 +HostKey /tmp/ssh_host_ed25519_key +PidFile /tmp/sshd.pid +AuthorizedKeysFile .ssh/authorized_keys +StrictModes no +PasswordAuthentication no +KbdInteractiveAuthentication no +UsePAM no +AllowUsers mpiuser +Subsystem sftp internal-sftp diff --git a/deploy/k8s/start-worker.sh b/deploy/k8s/start-worker.sh new file mode 100644 index 00000000..d365985f --- /dev/null +++ b/deploy/k8s/start-worker.sh @@ -0,0 +1,5 @@ +#!/usr/bin/env bash +set -euo pipefail +printf '%s\n' "${EG_NODE_NAME:-unknown}" > /tmp/easygraph-node +ssh-keygen -q -t ed25519 -N '' -f /tmp/ssh_host_ed25519_key +exec /usr/sbin/sshd -De -f /home/mpiuser/.sshd_config diff --git a/deploy/k8s/vendor/mpi-operator-v0.8.2.yaml b/deploy/k8s/vendor/mpi-operator-v0.8.2.yaml new file mode 100644 index 00000000..ef1f3c65 --- /dev/null +++ b/deploy/k8s/vendor/mpi-operator-v0.8.2.yaml @@ -0,0 +1,9206 @@ +# -------------------------------------------------- +# - Single configuration deployment YAML for MPI-Operator +# - Includes: +# CRD +# Namespace +# RBAC +# Controller deployment +# -------------------------------------------------- +--- +apiVersion: v1 +kind: Namespace +metadata: + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + name: mpi-operator +--- +apiVersion: apiextensions.k8s.io/v1 +kind: CustomResourceDefinition +metadata: + annotations: + controller-gen.kubebuilder.io/version: v0.20.1 + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + name: mpijobs.kubeflow.org +spec: + group: kubeflow.org + names: + kind: MPIJob + listKind: MPIJobList + plural: mpijobs + singular: mpijob + scope: Namespaced + versions: + - name: v2beta1 + schema: + openAPIV3Schema: + properties: + apiVersion: + description: |- + APIVersion defines the versioned schema of this representation of an object. + Servers should convert recognized schemas to the latest internal value, and + may reject unrecognized values. + More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources + type: string + kind: + description: |- + Kind is a string value representing the REST resource this object represents. + Servers may infer this from the endpoint the client submits requests to. + Cannot be updated. + In CamelCase. + More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds + type: string + metadata: + type: object + spec: + properties: + launcherCreationPolicy: + default: AtStartup + description: launcherCreationPolicy if WaitForWorkersReady, the launcher + is created only after all workers are in Ready state. Defaults to + AtStartup. + type: string + mpiImplementation: + default: OpenMPI + description: |- + MPIImplementation is the MPI implementation. + Options are "OpenMPI" (default), "Intel" and "MPICH". + enum: + - OpenMPI + - Intel + - MPICH + type: string + mpiReplicaSpecs: + additionalProperties: + description: ReplicaSpec is a description of the replica + properties: + replicas: + description: |- + Replicas is the desired number of replicas of the given template. + If unspecified, defaults to 1. + format: int32 + type: integer + restartPolicy: + description: |- + Restart policy for all replicas within the job. + One of Always, OnFailure, Never and ExitCode. + Default to Never. + type: string + template: + description: |- + Template is the object that describes the pod that + will be created for this replica. RestartPolicy in PodTemplateSpec + will be overide by RestartPolicy in ReplicaSpec + properties: + metadata: + description: |- + Standard object's metadata. + More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata + properties: + annotations: + additionalProperties: + type: string + type: object + finalizers: + items: + type: string + type: array + labels: + additionalProperties: + type: string + type: object + name: + type: string + namespace: + type: string + type: object + spec: + description: |- + Specification of the desired behavior of the pod. + More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status + properties: + activeDeadlineSeconds: + description: |- + Optional duration in seconds the pod may be active on the node relative to + StartTime before the system will actively try to mark it failed and kill associated containers. + Value must be a positive integer. + format: int64 + type: integer + affinity: + description: If specified, the pod's scheduling constraints + properties: + nodeAffinity: + description: Describes node affinity scheduling + rules for the pod. + properties: + preferredDuringSchedulingIgnoredDuringExecution: + description: |- + The scheduler will prefer to schedule pods to nodes that satisfy + the affinity expressions specified by this field, but it may choose + a node that violates one or more of the expressions. The node that is + most preferred is the one with the greatest sum of weights, i.e. + for each node that meets all of the scheduling requirements (resource + request, requiredDuringScheduling affinity expressions, etc.), + compute a sum by iterating through the elements of this field and adding + "weight" to the sum if the node matches the corresponding matchExpressions; the + node(s) with the highest sum are the most preferred. + items: + description: |- + An empty preferred scheduling term matches all objects with implicit weight 0 + (i.e. it's a no-op). A null preferred scheduling term matches no objects (i.e. is also a no-op). + properties: + preference: + description: A node selector term, associated + with the corresponding weight. + properties: + matchExpressions: + description: A list of node selector + requirements by node's labels. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that + the selector applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchFields: + description: A list of node selector + requirements by node's fields. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that + the selector applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + type: object + x-kubernetes-map-type: atomic + weight: + description: Weight associated with matching + the corresponding nodeSelectorTerm, + in the range 1-100. + format: int32 + type: integer + required: + - preference + - weight + type: object + type: array + x-kubernetes-list-type: atomic + requiredDuringSchedulingIgnoredDuringExecution: + description: |- + If the affinity requirements specified by this field are not met at + scheduling time, the pod will not be scheduled onto the node. + If the affinity requirements specified by this field cease to be met + at some point during pod execution (e.g. due to an update), the system + may or may not try to eventually evict the pod from its node. + properties: + nodeSelectorTerms: + description: Required. A list of node selector + terms. The terms are ORed. + items: + description: |- + A null or empty node selector term matches no objects. The requirements of + them are ANDed. + The TopologySelectorTerm type implements a subset of the NodeSelectorTerm. + properties: + matchExpressions: + description: A list of node selector + requirements by node's labels. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that + the selector applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchFields: + description: A list of node selector + requirements by node's fields. + items: + description: |- + A node selector requirement is a selector that contains values, a key, and an operator + that relates the key and values. + properties: + key: + description: The label key that + the selector applies to. + type: string + operator: + description: |- + Represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists, DoesNotExist. Gt, and Lt. + type: string + values: + description: |- + An array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. If the operator is Gt or Lt, the values + array must have a single element, which will be interpreted as an integer. + This array is replaced during a strategic merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + type: object + x-kubernetes-map-type: atomic + type: array + x-kubernetes-list-type: atomic + required: + - nodeSelectorTerms + type: object + x-kubernetes-map-type: atomic + type: object + podAffinity: + description: Describes pod affinity scheduling rules + (e.g. co-locate this pod in the same node, zone, + etc. as some other pod(s)). + properties: + preferredDuringSchedulingIgnoredDuringExecution: + description: |- + The scheduler will prefer to schedule pods to nodes that satisfy + the affinity expressions specified by this field, but it may choose + a node that violates one or more of the expressions. The node that is + most preferred is the one with the greatest sum of weights, i.e. + for each node that meets all of the scheduling requirements (resource + request, requiredDuringScheduling affinity expressions, etc.), + compute a sum by iterating through the elements of this field and adding + "weight" to the sum if the node has pods which matches the corresponding podAffinityTerm; the + node(s) with the highest sum are the most preferred. + items: + description: The weights of all of the matched + WeightedPodAffinityTerm fields are added + per-node to find the most preferred node(s) + properties: + podAffinityTerm: + description: Required. A pod affinity + term, associated with the corresponding + weight. + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions + is a list of label selector + requirements. The requirements + are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the + label key that the selector + applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions + is a list of label selector + requirements. The requirements + are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the + label key that the selector + applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + weight: + description: |- + weight associated with matching the corresponding podAffinityTerm, + in the range 1-100. + format: int32 + type: integer + required: + - podAffinityTerm + - weight + type: object + type: array + x-kubernetes-list-type: atomic + requiredDuringSchedulingIgnoredDuringExecution: + description: |- + If the affinity requirements specified by this field are not met at + scheduling time, the pod will not be scheduled onto the node. + If the affinity requirements specified by this field cease to be met + at some point during pod execution (e.g. due to a pod label update), the + system may or may not try to eventually evict the pod from its node. + When there are multiple elements, the lists of nodes corresponding to each + podAffinityTerm are intersected, i.e. all terms must be satisfied. + items: + description: |- + Defines a set of pods (namely those matching the labelSelector + relative to the given namespace(s)) that this pod should be + co-located (affinity) or not co-located (anti-affinity) with, + where co-located is defined as running on a node whose value of + the label with key matches that of any node on which + a pod of the set of pods is running + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a + list of label selector requirements. + The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label + key that the selector applies + to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a + list of label selector requirements. + The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label + key that the selector applies + to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + type: array + x-kubernetes-list-type: atomic + type: object + podAntiAffinity: + description: Describes pod anti-affinity scheduling + rules (e.g. avoid putting this pod in the same + node, zone, etc. as some other pod(s)). + properties: + preferredDuringSchedulingIgnoredDuringExecution: + description: |- + The scheduler will prefer to schedule pods to nodes that satisfy + the anti-affinity expressions specified by this field, but it may choose + a node that violates one or more of the expressions. The node that is + most preferred is the one with the greatest sum of weights, i.e. + for each node that meets all of the scheduling requirements (resource + request, requiredDuringScheduling anti-affinity expressions, etc.), + compute a sum by iterating through the elements of this field and subtracting + "weight" from the sum if the node has pods which matches the corresponding podAffinityTerm; the + node(s) with the highest sum are the most preferred. + items: + description: The weights of all of the matched + WeightedPodAffinityTerm fields are added + per-node to find the most preferred node(s) + properties: + podAffinityTerm: + description: Required. A pod affinity + term, associated with the corresponding + weight. + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions + is a list of label selector + requirements. The requirements + are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the + label key that the selector + applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions + is a list of label selector + requirements. The requirements + are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the + label key that the selector + applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + weight: + description: |- + weight associated with matching the corresponding podAffinityTerm, + in the range 1-100. + format: int32 + type: integer + required: + - podAffinityTerm + - weight + type: object + type: array + x-kubernetes-list-type: atomic + requiredDuringSchedulingIgnoredDuringExecution: + description: |- + If the anti-affinity requirements specified by this field are not met at + scheduling time, the pod will not be scheduled onto the node. + If the anti-affinity requirements specified by this field cease to be met + at some point during pod execution (e.g. due to a pod label update), the + system may or may not try to eventually evict the pod from its node. + When there are multiple elements, the lists of nodes corresponding to each + podAffinityTerm are intersected, i.e. all terms must be satisfied. + items: + description: |- + Defines a set of pods (namely those matching the labelSelector + relative to the given namespace(s)) that this pod should be + co-located (affinity) or not co-located (anti-affinity) with, + where co-located is defined as running on a node whose value of + the label with key matches that of any node on which + a pod of the set of pods is running + properties: + labelSelector: + description: |- + A label query over a set of resources, in this case pods. + If it's null, this PodAffinityTerm matches with no Pods. + properties: + matchExpressions: + description: matchExpressions is a + list of label selector requirements. + The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label + key that the selector applies + to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key in (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both matchLabelKeys and labelSelector. + Also, matchLabelKeys cannot be set when labelSelector isn't set. + items: + type: string + type: array + x-kubernetes-list-type: atomic + mismatchLabelKeys: + description: |- + MismatchLabelKeys is a set of pod label keys to select which pods will + be taken into consideration. The keys are used to lookup values from the + incoming pod labels, those key-value labels are merged with `labelSelector` as `key notin (value)` + to select the group of existing pods which pods will be taken into consideration + for the incoming pod's pod (anti) affinity. Keys that don't exist in the incoming + pod labels will be ignored. The default value is empty. + The same key is forbidden to exist in both mismatchLabelKeys and labelSelector. + Also, mismatchLabelKeys cannot be set when labelSelector isn't set. + items: + type: string + type: array + x-kubernetes-list-type: atomic + namespaceSelector: + description: |- + A label query over the set of namespaces that the term applies to. + The term is applied to the union of the namespaces selected by this field + and the ones listed in the namespaces field. + null selector and null or empty namespaces list means "this pod's namespace". + An empty selector ({}) matches all namespaces. + properties: + matchExpressions: + description: matchExpressions is a + list of label selector requirements. + The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label + key that the selector applies + to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + namespaces: + description: |- + namespaces specifies a static list of namespace names that the term applies to. + The term is applied to the union of the namespaces listed in this field + and the ones selected by namespaceSelector. + null or empty namespaces list and null namespaceSelector means "this pod's namespace". + items: + type: string + type: array + x-kubernetes-list-type: atomic + topologyKey: + description: |- + This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching + the labelSelector in the specified namespaces, where co-located is defined as running on a node + whose value of the label with key topologyKey matches that of any node on which any of the + selected pods is running. + Empty topologyKey is not allowed. + type: string + required: + - topologyKey + type: object + type: array + x-kubernetes-list-type: atomic + type: object + type: object + automountServiceAccountToken: + description: AutomountServiceAccountToken indicates + whether a service account token should be automatically + mounted. + type: boolean + containers: + description: |- + List of containers belonging to the pod. + Containers cannot currently be added or removed. + There must be at least one container in a Pod. + Cannot be updated. + items: + description: A single application container that you + want to run within a pod. + properties: + args: + description: |- + Arguments to the entrypoint. + The container image's CMD is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + x-kubernetes-list-type: atomic + command: + description: |- + Entrypoint array. Not executed within a shell. + The container image's ENTRYPOINT is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + x-kubernetes-list-type: atomic + env: + description: |- + List of environment variables to set in the container. + Cannot be updated. + items: + description: EnvVar represents an environment + variable present in a Container. + properties: + name: + description: |- + Name of the environment variable. + May consist of any printable ASCII characters except '='. + type: string + value: + description: |- + Variable references $(VAR_NAME) are expanded + using the previously defined environment variables in the container and + any service environment variables. If a variable cannot be resolved, + the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. + "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". + Escaped references will never be expanded, regardless of whether the variable + exists or not. + Defaults to "". + type: string + valueFrom: + description: Source for the environment + variable's value. Cannot be used if value + is not empty. + properties: + configMapKeyRef: + description: Selects a key of a ConfigMap. + properties: + key: + description: The key to select. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the + ConfigMap or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + fieldRef: + description: |- + Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, + spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + properties: + apiVersion: + description: Version of the schema + the FieldPath is written in terms + of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to + select in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + fileKeyRef: + description: |- + FileKeyRef selects a key of the env file. + Requires the EnvFiles feature gate to be enabled. + properties: + key: + description: |- + The key within the env file. An invalid key will prevent the pod from starting. + The keys defined within a source may consist of any printable ASCII characters except '='. + During Alpha stage of the EnvFiles feature gate, the key size is limited to 128 characters. + type: string + optional: + default: false + description: |- + Specify whether the file or its key must be defined. If the file or key + does not exist, then the env var is not published. + If optional is set to true and the specified key does not exist, + the environment variable will not be set in the Pod's containers. + + If optional is set to false and the specified key does not exist, + an error will be returned during Pod creation. + type: boolean + path: + description: |- + The path within the volume from which to select the file. + Must be relative and may not contain the '..' path or start with '..'. + type: string + volumeName: + description: The name of the volume + mount containing the env file. + type: string + required: + - key + - path + - volumeName + type: object + x-kubernetes-map-type: atomic + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + properties: + containerName: + description: 'Container name: required + for volumes, optional for env + vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output + format of the exposed resources, + defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource + to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + secretKeyRef: + description: Selects a key of a secret + in the pod's namespace + properties: + key: + description: The key of the secret + to select from. Must be a valid + secret key. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the + Secret or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + type: object + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + envFrom: + description: |- + List of sources to populate environment variables in the container. + The keys defined within a source may consist of any printable ASCII characters except '='. + When a key exists in multiple + sources, the value associated with the last source will take precedence. + Values defined by an Env with a duplicate key will take precedence. + Cannot be updated. + items: + description: EnvFromSource represents the source + of a set of ConfigMaps or Secrets + properties: + configMapRef: + description: The ConfigMap to select from + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the ConfigMap + must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + prefix: + description: |- + Optional text to prepend to the name of each environment variable. + May consist of any printable ASCII characters except '='. + type: string + secretRef: + description: The Secret to select from + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the Secret + must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + type: object + type: array + x-kubernetes-list-type: atomic + image: + description: |- + Container image name. + More info: https://kubernetes.io/docs/concepts/containers/images + This field is optional to allow higher level config management to default or override + container images in workload controllers like Deployments and StatefulSets. + type: string + imagePullPolicy: + description: |- + Image pull policy. + One of Always, Never, IfNotPresent. + Defaults to Always if :latest tag is specified, or IfNotPresent otherwise. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/containers/images#updating-images + type: string + lifecycle: + description: |- + Actions that the management system should take in response to container lifecycle events. + Cannot be updated. + properties: + postStart: + description: |- + PostStart is called immediately after a container is created. If the handler fails, + the container is terminated and restarted according to its restart policy. + Other management of the container blocks until the hook completes. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies a command + to execute in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + httpGet: + description: HTTPGet specifies an HTTP + GET request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set + in the request. HTTP allows repeated + headers. + items: + description: HTTPHeader describes + a custom header to be used in + HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field + value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the + HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents a duration + that the container should sleep. + properties: + seconds: + description: Seconds is the number + of seconds to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for backward compatibility. There is no validation of this field and + lifecycle hooks will fail at runtime when it is specified. + properties: + host: + description: 'Optional: Host name + to connect to, defaults to the pod + IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + preStop: + description: |- + PreStop is called immediately before a container is terminated due to an + API request or management event such as liveness/startup probe failure, + preemption, resource contention, etc. The handler is not called if the + container crashes or exits. The Pod's termination grace period countdown begins before the + PreStop hook is executed. Regardless of the outcome of the handler, the + container will eventually terminate within the Pod's termination grace + period (unless delayed by finalizers). Other management of the container blocks until the hook completes + or until the termination grace period is reached. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies a command + to execute in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + httpGet: + description: HTTPGet specifies an HTTP + GET request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set + in the request. HTTP allows repeated + headers. + items: + description: HTTPHeader describes + a custom header to be used in + HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field + value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the + HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents a duration + that the container should sleep. + properties: + seconds: + description: Seconds is the number + of seconds to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for backward compatibility. There is no validation of this field and + lifecycle hooks will fail at runtime when it is specified. + properties: + host: + description: 'Optional: Host name + to connect to, defaults to the pod + IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + stopSignal: + description: |- + StopSignal defines which signal will be sent to a container when it is being stopped. + If not specified, the default is defined by the container runtime in use. + StopSignal can only be set for Pods with a non-empty .spec.os.name + type: string + type: object + livenessProbe: + description: |- + Periodic probe of container liveness. + Container will be restarted if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies a command to execute + in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies a GRPC HealthCheckRequest. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + default: "" + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies an HTTP GET + request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in + the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a + custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies a connection + to a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + name: + description: |- + Name of the container specified as a DNS_LABEL. + Each container in a pod must have a unique name (DNS_LABEL). + Cannot be updated. + type: string + ports: + description: |- + List of ports to expose from the container. Not specifying a port here + DOES NOT prevent that port from being exposed. Any port which is + listening on the default "0.0.0.0" address inside a container will be + accessible from the network. + Modifying this array with strategic merge patch may corrupt the data. + For more information See https://github.com/kubernetes/kubernetes/issues/108255. + Cannot be updated. + items: + description: ContainerPort represents a network + port in a single container. + properties: + containerPort: + description: |- + Number of port to expose on the pod's IP address. + This must be a valid port number, 0 < x < 65536. + format: int32 + type: integer + hostIP: + description: What host IP to bind the external + port to. + type: string + hostPort: + description: |- + Number of port to expose on the host. + If specified, this must be a valid port number, 0 < x < 65536. + If HostNetwork is specified, this must match ContainerPort. + Most containers do not need this. + format: int32 + type: integer + name: + description: |- + If specified, this must be an IANA_SVC_NAME and unique within the pod. Each + named port in a pod must have a unique name. Name for the port that can be + referred to by services. + type: string + protocol: + default: TCP + description: |- + Protocol for port. Must be UDP, TCP, or SCTP. + Defaults to "TCP". + type: string + required: + - containerPort + type: object + type: array + x-kubernetes-list-map-keys: + - containerPort + - protocol + x-kubernetes-list-type: map + readinessProbe: + description: |- + Periodic probe of container service readiness. + Container will be removed from service endpoints if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies a command to execute + in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies a GRPC HealthCheckRequest. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + default: "" + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies an HTTP GET + request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in + the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a + custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies a connection + to a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + resizePolicy: + description: |- + Resources resize policy for the container. + This field cannot be set on ephemeral containers. + items: + description: ContainerResizePolicy represents + resource resize policy for the container. + properties: + resourceName: + description: |- + Name of the resource to which this resource resize policy applies. + Supported values: cpu, memory. + type: string + restartPolicy: + description: |- + Restart policy to apply when specified resource is resized. + If not specified, it defaults to NotRequired. + type: string + required: + - resourceName + - restartPolicy + type: object + type: array + x-kubernetes-list-type: atomic + resources: + description: |- + Compute Resources required by this container. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + properties: + claims: + description: |- + Claims lists the names of resources, defined in spec.resourceClaims, + that are used by this container. + + This field depends on the + DynamicResourceAllocation feature gate. + + This field is immutable. It can only be set for containers. + items: + description: ResourceClaim references one + entry in PodSpec.ResourceClaims. + properties: + name: + description: |- + Name must match the name of one entry in pod.spec.resourceClaims of + the Pod where this field is used. It makes that resource available + inside a container. + type: string + request: + description: |- + Request is the name chosen for a request in the referenced claim. + If empty, everything from the claim is made available, otherwise + only the result of this request. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + restartPolicy: + description: |- + RestartPolicy defines the restart behavior of individual containers in a pod. + This overrides the pod-level restart policy. When this field is not specified, + the restart behavior is defined by the Pod's restart policy and the container type. + Additionally, setting the RestartPolicy as "Always" for the init container will + have the following effect: + this init container will be continually restarted on + exit until all regular containers have terminated. Once all regular + containers have completed, all init containers with restartPolicy "Always" + will be shut down. This lifecycle differs from normal init containers and + is often referred to as a "sidecar" container. Although this init + container still starts in the init container sequence, it does not wait + for the container to complete before proceeding to the next init + container. Instead, the next init container starts immediately after this + init container is started, or after any startupProbe has successfully + completed. + type: string + restartPolicyRules: + description: |- + Represents a list of rules to be checked to determine if the + container should be restarted on exit. The rules are evaluated in + order. Once a rule matches a container exit condition, the remaining + rules are ignored. If no rule matches the container exit condition, + the Container-level restart policy determines the whether the container + is restarted or not. Constraints on the rules: + - At most 20 rules are allowed. + - Rules can have the same action. + - Identical rules are not forbidden in validations. + When rules are specified, container MUST set RestartPolicy explicitly + even it if matches the Pod's RestartPolicy. + items: + description: ContainerRestartRule describes + how a container exit is handled. + properties: + action: + description: |- + Specifies the action taken on a container exit if the requirements + are satisfied. The only possible value is "Restart" to restart the + container. + type: string + exitCodes: + description: Represents the exit codes to + check on container exits. + properties: + operator: + description: |- + Represents the relationship between the container exit code(s) and the + specified values. Possible values are: + - In: the requirement is satisfied if the container exit code is in the + set of specified values. + - NotIn: the requirement is satisfied if the container exit code is + not in the set of specified values. + type: string + values: + description: |- + Specifies the set of values to check for container exit codes. + At most 255 elements are allowed. + items: + format: int32 + type: integer + type: array + x-kubernetes-list-type: set + required: + - operator + type: object + required: + - action + type: object + type: array + x-kubernetes-list-type: atomic + securityContext: + description: |- + SecurityContext defines the security options the container should be run with. + If set, the fields of SecurityContext override the equivalent fields of PodSecurityContext. + More info: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/ + properties: + allowPrivilegeEscalation: + description: |- + AllowPrivilegeEscalation controls whether a process can gain more + privileges than its parent process. This bool directly controls if + the no_new_privs flag will be set on the container process. + AllowPrivilegeEscalation is true always when the container is: + 1) run as Privileged + 2) has CAP_SYS_ADMIN + Note that this field cannot be set when spec.os.name is windows. + type: boolean + appArmorProfile: + description: |- + appArmorProfile is the AppArmor options to use by this container. If set, this profile + overrides the pod's appArmorProfile. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile loaded on the node that should be used. + The profile must be preconfigured on the node to work. + Must match the loaded name of the profile. + Must be set if and only if type is "Localhost". + type: string + type: + description: |- + type indicates which kind of AppArmor profile will be applied. + Valid options are: + Localhost - a profile pre-loaded on the node. + RuntimeDefault - the container runtime's default profile. + Unconfined - no AppArmor enforcement. + type: string + required: + - type + type: object + capabilities: + description: |- + The capabilities to add/drop when running containers. + Defaults to the default set of capabilities granted by the container runtime. + Note that this field cannot be set when spec.os.name is windows. + properties: + add: + description: Added capabilities + items: + description: Capability represent POSIX + capabilities type + type: string + type: array + x-kubernetes-list-type: atomic + drop: + description: Removed capabilities + items: + description: Capability represent POSIX + capabilities type + type: string + type: array + x-kubernetes-list-type: atomic + type: object + privileged: + description: |- + Run container in privileged mode. + Processes in privileged containers are essentially equivalent to root on the host. + Defaults to false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + procMount: + description: |- + procMount denotes the type of proc mount to use for the containers. + The default value is Default which uses the container runtime defaults for + readonly paths and masked paths. + This requires the ProcMountType feature flag to be enabled. + Note that this field cannot be set when spec.os.name is windows. + type: string + readOnlyRootFilesystem: + description: |- + Whether this container has a read-only root filesystem. + Default is false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: + description: |- + Indicates that the container must run as a non-root user. + If true, the Kubelet will validate the image at runtime to ensure that it + does not run as UID 0 (root) and fail to start the container if it does. + If unset or false, no such validation will be performed. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: boolean + runAsUser: + description: |- + The UID to run the entrypoint of the container process. + Defaults to user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + seLinuxOptions: + description: |- + The SELinux context to be applied to the container. + If unspecified, the container runtime will allocate a random SELinux context for each + container. May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + properties: + level: + description: Level is SELinux level label + that applies to the container. + type: string + role: + description: Role is a SELinux role label + that applies to the container. + type: string + type: + description: Type is a SELinux type label + that applies to the container. + type: string + user: + description: User is a SELinux user label + that applies to the container. + type: string + type: object + seccompProfile: + description: |- + The seccomp options to use by this container. If seccomp options are + provided at both the pod & container level, the container options + override the pod options. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile defined in a file on the node should be used. + The profile must be preconfigured on the node to work. + Must be a descending path, relative to the kubelet's configured seccomp profile location. + Must be set if type is "Localhost". Must NOT be set for any other type. + type: string + type: + description: |- + type indicates which kind of seccomp profile will be applied. + Valid options are: + + Localhost - a profile defined in a file on the node should be used. + RuntimeDefault - the container runtime default profile should be used. + Unconfined - no profile should be applied. + type: string + required: + - type + type: object + windowsOptions: + description: |- + The Windows specific settings applied to all containers. + If unspecified, the options from the PodSecurityContext will be used. + If set in both SecurityContext and PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is linux. + properties: + gmsaCredentialSpec: + description: |- + GMSACredentialSpec is where the GMSA admission webhook + (https://github.com/kubernetes-sigs/windows-gmsa) inlines the contents of the + GMSA credential spec named by the GMSACredentialSpecName field. + type: string + gmsaCredentialSpecName: + description: GMSACredentialSpecName is + the name of the GMSA credential spec + to use. + type: string + hostProcess: + description: |- + HostProcess determines if a container should be run as a 'Host Process' container. + All of a Pod's containers must have the same effective HostProcess value + (it is not allowed to have a mix of HostProcess containers and non-HostProcess containers). + In addition, if HostProcess is true then HostNetwork must also be set to true. + type: boolean + runAsUserName: + description: |- + The UserName in Windows to run the entrypoint of the container process. + Defaults to the user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: string + type: object + type: object + startupProbe: + description: |- + StartupProbe indicates that the Pod has successfully initialized. + If specified, no other probes are executed until this completes successfully. + If this probe fails, the Pod will be restarted, just as if the livenessProbe failed. + This can be used to provide different probe parameters at the beginning of a Pod's lifecycle, + when it might take a long time to load data or warm a cache, than during steady-state operation. + This cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies a command to execute + in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies a GRPC HealthCheckRequest. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + default: "" + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies an HTTP GET + request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in + the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a + custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies a connection + to a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + stdin: + description: |- + Whether this container should allocate a buffer for stdin in the container runtime. If this + is not set, reads from stdin in the container will always result in EOF. + Default is false. + type: boolean + stdinOnce: + description: |- + Whether the container runtime should close the stdin channel after it has been opened by + a single attach. When stdin is true the stdin stream will remain open across multiple attach + sessions. If stdinOnce is set to true, stdin is opened on container start, is empty until the + first client attaches to stdin, and then remains open and accepts data until the client disconnects, + at which time stdin is closed and remains closed until the container is restarted. If this + flag is false, a container processes that reads from stdin will never receive an EOF. + Default is false + type: boolean + terminationMessagePath: + description: |- + Optional: Path at which the file to which the container's termination message + will be written is mounted into the container's filesystem. + Message written is intended to be brief final status, such as an assertion failure message. + Will be truncated by the node if greater than 4096 bytes. The total message length across + all containers will be limited to 12kb. + Defaults to /dev/termination-log. + Cannot be updated. + type: string + terminationMessagePolicy: + description: |- + Indicate how the termination message should be populated. File will use the contents of + terminationMessagePath to populate the container status message on both success and failure. + FallbackToLogsOnError will use the last chunk of container log output if the termination + message file is empty and the container exited with an error. + The log output is limited to 2048 bytes or 80 lines, whichever is smaller. + Defaults to File. + Cannot be updated. + type: string + tty: + description: |- + Whether this container should allocate a TTY for itself, also requires 'stdin' to be true. + Default is false. + type: boolean + volumeDevices: + description: volumeDevices is the list of block + devices to be used by the container. + items: + description: volumeDevice describes a mapping + of a raw block device within a container. + properties: + devicePath: + description: devicePath is the path inside + of the container that the device will + be mapped to. + type: string + name: + description: name must match the name of + a persistentVolumeClaim in the pod + type: string + required: + - devicePath + - name + type: object + type: array + x-kubernetes-list-map-keys: + - devicePath + x-kubernetes-list-type: map + volumeMounts: + description: |- + Pod volumes to mount into the container's filesystem. + Cannot be updated. + items: + description: VolumeMount describes a mounting + of a Volume within a container. + properties: + mountPath: + description: |- + Path within the container at which the volume should be mounted. Must + not contain ':'. + type: string + mountPropagation: + description: |- + mountPropagation determines how mounts are propagated from the host + to container and the other way around. + When not set, MountPropagationNone is used. + This field is beta in 1.10. + When RecursiveReadOnly is set to IfPossible or to Enabled, MountPropagation must be None or unspecified + (which defaults to None). + type: string + name: + description: This must match the Name of + a Volume. + type: string + readOnly: + description: |- + Mounted read-only if true, read-write otherwise (false or unspecified). + Defaults to false. + type: boolean + recursiveReadOnly: + description: |- + RecursiveReadOnly specifies whether read-only mounts should be handled + recursively. + + If ReadOnly is false, this field has no meaning and must be unspecified. + + If ReadOnly is true, and this field is set to Disabled, the mount is not made + recursively read-only. If this field is set to IfPossible, the mount is made + recursively read-only, if it is supported by the container runtime. If this + field is set to Enabled, the mount is made recursively read-only if it is + supported by the container runtime, otherwise the pod will not be started and + an error will be generated to indicate the reason. + + If this field is set to IfPossible or Enabled, MountPropagation must be set to + None (or be unspecified, which defaults to None). + + If this field is not specified, it is treated as an equivalent of Disabled. + type: string + subPath: + description: |- + Path within the volume from which the container's volume should be mounted. + Defaults to "" (volume's root). + type: string + subPathExpr: + description: |- + Expanded path within the volume from which the container's volume should be mounted. + Behaves similarly to SubPath but environment variable references $(VAR_NAME) are expanded using the container's environment. + Defaults to "" (volume's root). + SubPathExpr and SubPath are mutually exclusive. + type: string + required: + - mountPath + - name + type: object + type: array + x-kubernetes-list-map-keys: + - mountPath + x-kubernetes-list-type: map + workingDir: + description: |- + Container's working directory. + If not specified, the container runtime's default will be used, which + might be configured in the container image. + Cannot be updated. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + dnsConfig: + description: |- + Specifies the DNS parameters of a pod. + Parameters specified here will be merged to the generated DNS + configuration based on DNSPolicy. + properties: + nameservers: + description: |- + A list of DNS name server IP addresses. + This will be appended to the base nameservers generated from DNSPolicy. + Duplicated nameservers will be removed. + items: + type: string + type: array + x-kubernetes-list-type: atomic + options: + description: |- + A list of DNS resolver options. + This will be merged with the base options generated from DNSPolicy. + Duplicated entries will be removed. Resolution options given in Options + will override those that appear in the base DNSPolicy. + items: + description: PodDNSConfigOption defines DNS resolver + options of a pod. + properties: + name: + description: |- + Name is this DNS resolver option's name. + Required. + type: string + value: + description: Value is this DNS resolver option's + value. + type: string + type: object + type: array + x-kubernetes-list-type: atomic + searches: + description: |- + A list of DNS search domains for host-name lookup. + This will be appended to the base search paths generated from DNSPolicy. + Duplicated search paths will be removed. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + dnsPolicy: + description: |- + Set DNS policy for the pod. + Defaults to "ClusterFirst". + Valid values are 'ClusterFirstWithHostNet', 'ClusterFirst', 'Default' or 'None'. + DNS parameters given in DNSConfig will be merged with the policy selected with DNSPolicy. + To have DNS options set along with hostNetwork, you have to specify DNS policy + explicitly to 'ClusterFirstWithHostNet'. + type: string + enableServiceLinks: + description: |- + EnableServiceLinks indicates whether information about services should be injected into pod's + environment variables, matching the syntax of Docker links. + Optional: Defaults to true. + type: boolean + ephemeralContainers: + description: |- + List of ephemeral containers run in this pod. Ephemeral containers may be run in an existing + pod to perform user-initiated actions such as debugging. This list cannot be specified when + creating a pod, and it cannot be modified by updating the pod spec. In order to add an + ephemeral container to an existing pod, use the pod's ephemeralcontainers subresource. + items: + description: |- + An EphemeralContainer is a temporary container that you may add to an existing Pod for + user-initiated activities such as debugging. Ephemeral containers have no resource or + scheduling guarantees, and they will not be restarted when they exit or when a Pod is + removed or restarted. The kubelet may evict a Pod if an ephemeral container causes the + Pod to exceed its resource allocation. + + To add an ephemeral container, use the ephemeralcontainers subresource of an existing + Pod. Ephemeral containers may not be removed or restarted. + properties: + args: + description: |- + Arguments to the entrypoint. + The image's CMD is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + x-kubernetes-list-type: atomic + command: + description: |- + Entrypoint array. Not executed within a shell. + The image's ENTRYPOINT is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + x-kubernetes-list-type: atomic + env: + description: |- + List of environment variables to set in the container. + Cannot be updated. + items: + description: EnvVar represents an environment + variable present in a Container. + properties: + name: + description: |- + Name of the environment variable. + May consist of any printable ASCII characters except '='. + type: string + value: + description: |- + Variable references $(VAR_NAME) are expanded + using the previously defined environment variables in the container and + any service environment variables. If a variable cannot be resolved, + the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. + "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". + Escaped references will never be expanded, regardless of whether the variable + exists or not. + Defaults to "". + type: string + valueFrom: + description: Source for the environment + variable's value. Cannot be used if value + is not empty. + properties: + configMapKeyRef: + description: Selects a key of a ConfigMap. + properties: + key: + description: The key to select. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the + ConfigMap or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + fieldRef: + description: |- + Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, + spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + properties: + apiVersion: + description: Version of the schema + the FieldPath is written in terms + of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to + select in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + fileKeyRef: + description: |- + FileKeyRef selects a key of the env file. + Requires the EnvFiles feature gate to be enabled. + properties: + key: + description: |- + The key within the env file. An invalid key will prevent the pod from starting. + The keys defined within a source may consist of any printable ASCII characters except '='. + During Alpha stage of the EnvFiles feature gate, the key size is limited to 128 characters. + type: string + optional: + default: false + description: |- + Specify whether the file or its key must be defined. If the file or key + does not exist, then the env var is not published. + If optional is set to true and the specified key does not exist, + the environment variable will not be set in the Pod's containers. + + If optional is set to false and the specified key does not exist, + an error will be returned during Pod creation. + type: boolean + path: + description: |- + The path within the volume from which to select the file. + Must be relative and may not contain the '..' path or start with '..'. + type: string + volumeName: + description: The name of the volume + mount containing the env file. + type: string + required: + - key + - path + - volumeName + type: object + x-kubernetes-map-type: atomic + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + properties: + containerName: + description: 'Container name: required + for volumes, optional for env + vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output + format of the exposed resources, + defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource + to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + secretKeyRef: + description: Selects a key of a secret + in the pod's namespace + properties: + key: + description: The key of the secret + to select from. Must be a valid + secret key. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the + Secret or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + type: object + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + envFrom: + description: |- + List of sources to populate environment variables in the container. + The keys defined within a source may consist of any printable ASCII characters except '='. + When a key exists in multiple + sources, the value associated with the last source will take precedence. + Values defined by an Env with a duplicate key will take precedence. + Cannot be updated. + items: + description: EnvFromSource represents the source + of a set of ConfigMaps or Secrets + properties: + configMapRef: + description: The ConfigMap to select from + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the ConfigMap + must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + prefix: + description: |- + Optional text to prepend to the name of each environment variable. + May consist of any printable ASCII characters except '='. + type: string + secretRef: + description: The Secret to select from + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the Secret + must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + type: object + type: array + x-kubernetes-list-type: atomic + image: + description: |- + Container image name. + More info: https://kubernetes.io/docs/concepts/containers/images + type: string + imagePullPolicy: + description: |- + Image pull policy. + One of Always, Never, IfNotPresent. + Defaults to Always if :latest tag is specified, or IfNotPresent otherwise. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/containers/images#updating-images + type: string + lifecycle: + description: Lifecycle is not allowed for ephemeral + containers. + properties: + postStart: + description: |- + PostStart is called immediately after a container is created. If the handler fails, + the container is terminated and restarted according to its restart policy. + Other management of the container blocks until the hook completes. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies a command + to execute in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + httpGet: + description: HTTPGet specifies an HTTP + GET request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set + in the request. HTTP allows repeated + headers. + items: + description: HTTPHeader describes + a custom header to be used in + HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field + value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the + HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents a duration + that the container should sleep. + properties: + seconds: + description: Seconds is the number + of seconds to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for backward compatibility. There is no validation of this field and + lifecycle hooks will fail at runtime when it is specified. + properties: + host: + description: 'Optional: Host name + to connect to, defaults to the pod + IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + preStop: + description: |- + PreStop is called immediately before a container is terminated due to an + API request or management event such as liveness/startup probe failure, + preemption, resource contention, etc. The handler is not called if the + container crashes or exits. The Pod's termination grace period countdown begins before the + PreStop hook is executed. Regardless of the outcome of the handler, the + container will eventually terminate within the Pod's termination grace + period (unless delayed by finalizers). Other management of the container blocks until the hook completes + or until the termination grace period is reached. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies a command + to execute in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + httpGet: + description: HTTPGet specifies an HTTP + GET request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set + in the request. HTTP allows repeated + headers. + items: + description: HTTPHeader describes + a custom header to be used in + HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field + value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the + HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents a duration + that the container should sleep. + properties: + seconds: + description: Seconds is the number + of seconds to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for backward compatibility. There is no validation of this field and + lifecycle hooks will fail at runtime when it is specified. + properties: + host: + description: 'Optional: Host name + to connect to, defaults to the pod + IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + stopSignal: + description: |- + StopSignal defines which signal will be sent to a container when it is being stopped. + If not specified, the default is defined by the container runtime in use. + StopSignal can only be set for Pods with a non-empty .spec.os.name + type: string + type: object + livenessProbe: + description: Probes are not allowed for ephemeral + containers. + properties: + exec: + description: Exec specifies a command to execute + in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies a GRPC HealthCheckRequest. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + default: "" + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies an HTTP GET + request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in + the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a + custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies a connection + to a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + name: + description: |- + Name of the ephemeral container specified as a DNS_LABEL. + This name must be unique among all containers, init containers and ephemeral containers. + type: string + ports: + description: Ports are not allowed for ephemeral + containers. + items: + description: ContainerPort represents a network + port in a single container. + properties: + containerPort: + description: |- + Number of port to expose on the pod's IP address. + This must be a valid port number, 0 < x < 65536. + format: int32 + type: integer + hostIP: + description: What host IP to bind the external + port to. + type: string + hostPort: + description: |- + Number of port to expose on the host. + If specified, this must be a valid port number, 0 < x < 65536. + If HostNetwork is specified, this must match ContainerPort. + Most containers do not need this. + format: int32 + type: integer + name: + description: |- + If specified, this must be an IANA_SVC_NAME and unique within the pod. Each + named port in a pod must have a unique name. Name for the port that can be + referred to by services. + type: string + protocol: + default: TCP + description: |- + Protocol for port. Must be UDP, TCP, or SCTP. + Defaults to "TCP". + type: string + required: + - containerPort + type: object + type: array + x-kubernetes-list-map-keys: + - containerPort + - protocol + x-kubernetes-list-type: map + readinessProbe: + description: Probes are not allowed for ephemeral + containers. + properties: + exec: + description: Exec specifies a command to execute + in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies a GRPC HealthCheckRequest. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + default: "" + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies an HTTP GET + request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in + the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a + custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies a connection + to a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + resizePolicy: + description: Resources resize policy for the container. + items: + description: ContainerResizePolicy represents + resource resize policy for the container. + properties: + resourceName: + description: |- + Name of the resource to which this resource resize policy applies. + Supported values: cpu, memory. + type: string + restartPolicy: + description: |- + Restart policy to apply when specified resource is resized. + If not specified, it defaults to NotRequired. + type: string + required: + - resourceName + - restartPolicy + type: object + type: array + x-kubernetes-list-type: atomic + resources: + description: |- + Resources are not allowed for ephemeral containers. Ephemeral containers use spare resources + already allocated to the pod. + properties: + claims: + description: |- + Claims lists the names of resources, defined in spec.resourceClaims, + that are used by this container. + + This field depends on the + DynamicResourceAllocation feature gate. + + This field is immutable. It can only be set for containers. + items: + description: ResourceClaim references one + entry in PodSpec.ResourceClaims. + properties: + name: + description: |- + Name must match the name of one entry in pod.spec.resourceClaims of + the Pod where this field is used. It makes that resource available + inside a container. + type: string + request: + description: |- + Request is the name chosen for a request in the referenced claim. + If empty, everything from the claim is made available, otherwise + only the result of this request. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + restartPolicy: + description: |- + Restart policy for the container to manage the restart behavior of each + container within a pod. + You cannot set this field on ephemeral containers. + type: string + restartPolicyRules: + description: |- + Represents a list of rules to be checked to determine if the + container should be restarted on exit. You cannot set this field on + ephemeral containers. + items: + description: ContainerRestartRule describes + how a container exit is handled. + properties: + action: + description: |- + Specifies the action taken on a container exit if the requirements + are satisfied. The only possible value is "Restart" to restart the + container. + type: string + exitCodes: + description: Represents the exit codes to + check on container exits. + properties: + operator: + description: |- + Represents the relationship between the container exit code(s) and the + specified values. Possible values are: + - In: the requirement is satisfied if the container exit code is in the + set of specified values. + - NotIn: the requirement is satisfied if the container exit code is + not in the set of specified values. + type: string + values: + description: |- + Specifies the set of values to check for container exit codes. + At most 255 elements are allowed. + items: + format: int32 + type: integer + type: array + x-kubernetes-list-type: set + required: + - operator + type: object + required: + - action + type: object + type: array + x-kubernetes-list-type: atomic + securityContext: + description: |- + Optional: SecurityContext defines the security options the ephemeral container should be run with. + If set, the fields of SecurityContext override the equivalent fields of PodSecurityContext. + properties: + allowPrivilegeEscalation: + description: |- + AllowPrivilegeEscalation controls whether a process can gain more + privileges than its parent process. This bool directly controls if + the no_new_privs flag will be set on the container process. + AllowPrivilegeEscalation is true always when the container is: + 1) run as Privileged + 2) has CAP_SYS_ADMIN + Note that this field cannot be set when spec.os.name is windows. + type: boolean + appArmorProfile: + description: |- + appArmorProfile is the AppArmor options to use by this container. If set, this profile + overrides the pod's appArmorProfile. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile loaded on the node that should be used. + The profile must be preconfigured on the node to work. + Must match the loaded name of the profile. + Must be set if and only if type is "Localhost". + type: string + type: + description: |- + type indicates which kind of AppArmor profile will be applied. + Valid options are: + Localhost - a profile pre-loaded on the node. + RuntimeDefault - the container runtime's default profile. + Unconfined - no AppArmor enforcement. + type: string + required: + - type + type: object + capabilities: + description: |- + The capabilities to add/drop when running containers. + Defaults to the default set of capabilities granted by the container runtime. + Note that this field cannot be set when spec.os.name is windows. + properties: + add: + description: Added capabilities + items: + description: Capability represent POSIX + capabilities type + type: string + type: array + x-kubernetes-list-type: atomic + drop: + description: Removed capabilities + items: + description: Capability represent POSIX + capabilities type + type: string + type: array + x-kubernetes-list-type: atomic + type: object + privileged: + description: |- + Run container in privileged mode. + Processes in privileged containers are essentially equivalent to root on the host. + Defaults to false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + procMount: + description: |- + procMount denotes the type of proc mount to use for the containers. + The default value is Default which uses the container runtime defaults for + readonly paths and masked paths. + This requires the ProcMountType feature flag to be enabled. + Note that this field cannot be set when spec.os.name is windows. + type: string + readOnlyRootFilesystem: + description: |- + Whether this container has a read-only root filesystem. + Default is false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: + description: |- + Indicates that the container must run as a non-root user. + If true, the Kubelet will validate the image at runtime to ensure that it + does not run as UID 0 (root) and fail to start the container if it does. + If unset or false, no such validation will be performed. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: boolean + runAsUser: + description: |- + The UID to run the entrypoint of the container process. + Defaults to user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + seLinuxOptions: + description: |- + The SELinux context to be applied to the container. + If unspecified, the container runtime will allocate a random SELinux context for each + container. May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + properties: + level: + description: Level is SELinux level label + that applies to the container. + type: string + role: + description: Role is a SELinux role label + that applies to the container. + type: string + type: + description: Type is a SELinux type label + that applies to the container. + type: string + user: + description: User is a SELinux user label + that applies to the container. + type: string + type: object + seccompProfile: + description: |- + The seccomp options to use by this container. If seccomp options are + provided at both the pod & container level, the container options + override the pod options. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile defined in a file on the node should be used. + The profile must be preconfigured on the node to work. + Must be a descending path, relative to the kubelet's configured seccomp profile location. + Must be set if type is "Localhost". Must NOT be set for any other type. + type: string + type: + description: |- + type indicates which kind of seccomp profile will be applied. + Valid options are: + + Localhost - a profile defined in a file on the node should be used. + RuntimeDefault - the container runtime default profile should be used. + Unconfined - no profile should be applied. + type: string + required: + - type + type: object + windowsOptions: + description: |- + The Windows specific settings applied to all containers. + If unspecified, the options from the PodSecurityContext will be used. + If set in both SecurityContext and PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is linux. + properties: + gmsaCredentialSpec: + description: |- + GMSACredentialSpec is where the GMSA admission webhook + (https://github.com/kubernetes-sigs/windows-gmsa) inlines the contents of the + GMSA credential spec named by the GMSACredentialSpecName field. + type: string + gmsaCredentialSpecName: + description: GMSACredentialSpecName is + the name of the GMSA credential spec + to use. + type: string + hostProcess: + description: |- + HostProcess determines if a container should be run as a 'Host Process' container. + All of a Pod's containers must have the same effective HostProcess value + (it is not allowed to have a mix of HostProcess containers and non-HostProcess containers). + In addition, if HostProcess is true then HostNetwork must also be set to true. + type: boolean + runAsUserName: + description: |- + The UserName in Windows to run the entrypoint of the container process. + Defaults to the user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: string + type: object + type: object + startupProbe: + description: Probes are not allowed for ephemeral + containers. + properties: + exec: + description: Exec specifies a command to execute + in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies a GRPC HealthCheckRequest. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + default: "" + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies an HTTP GET + request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in + the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a + custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies a connection + to a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + stdin: + description: |- + Whether this container should allocate a buffer for stdin in the container runtime. If this + is not set, reads from stdin in the container will always result in EOF. + Default is false. + type: boolean + stdinOnce: + description: |- + Whether the container runtime should close the stdin channel after it has been opened by + a single attach. When stdin is true the stdin stream will remain open across multiple attach + sessions. If stdinOnce is set to true, stdin is opened on container start, is empty until the + first client attaches to stdin, and then remains open and accepts data until the client disconnects, + at which time stdin is closed and remains closed until the container is restarted. If this + flag is false, a container processes that reads from stdin will never receive an EOF. + Default is false + type: boolean + targetContainerName: + description: |- + If set, the name of the container from PodSpec that this ephemeral container targets. + The ephemeral container will be run in the namespaces (IPC, PID, etc) of this container. + If not set then the ephemeral container uses the namespaces configured in the Pod spec. + + The container runtime must implement support for this feature. If the runtime does not + support namespace targeting then the result of setting this field is undefined. + type: string + terminationMessagePath: + description: |- + Optional: Path at which the file to which the container's termination message + will be written is mounted into the container's filesystem. + Message written is intended to be brief final status, such as an assertion failure message. + Will be truncated by the node if greater than 4096 bytes. The total message length across + all containers will be limited to 12kb. + Defaults to /dev/termination-log. + Cannot be updated. + type: string + terminationMessagePolicy: + description: |- + Indicate how the termination message should be populated. File will use the contents of + terminationMessagePath to populate the container status message on both success and failure. + FallbackToLogsOnError will use the last chunk of container log output if the termination + message file is empty and the container exited with an error. + The log output is limited to 2048 bytes or 80 lines, whichever is smaller. + Defaults to File. + Cannot be updated. + type: string + tty: + description: |- + Whether this container should allocate a TTY for itself, also requires 'stdin' to be true. + Default is false. + type: boolean + volumeDevices: + description: volumeDevices is the list of block + devices to be used by the container. + items: + description: volumeDevice describes a mapping + of a raw block device within a container. + properties: + devicePath: + description: devicePath is the path inside + of the container that the device will + be mapped to. + type: string + name: + description: name must match the name of + a persistentVolumeClaim in the pod + type: string + required: + - devicePath + - name + type: object + type: array + x-kubernetes-list-map-keys: + - devicePath + x-kubernetes-list-type: map + volumeMounts: + description: |- + Pod volumes to mount into the container's filesystem. Subpath mounts are not allowed for ephemeral containers. + Cannot be updated. + items: + description: VolumeMount describes a mounting + of a Volume within a container. + properties: + mountPath: + description: |- + Path within the container at which the volume should be mounted. Must + not contain ':'. + type: string + mountPropagation: + description: |- + mountPropagation determines how mounts are propagated from the host + to container and the other way around. + When not set, MountPropagationNone is used. + This field is beta in 1.10. + When RecursiveReadOnly is set to IfPossible or to Enabled, MountPropagation must be None or unspecified + (which defaults to None). + type: string + name: + description: This must match the Name of + a Volume. + type: string + readOnly: + description: |- + Mounted read-only if true, read-write otherwise (false or unspecified). + Defaults to false. + type: boolean + recursiveReadOnly: + description: |- + RecursiveReadOnly specifies whether read-only mounts should be handled + recursively. + + If ReadOnly is false, this field has no meaning and must be unspecified. + + If ReadOnly is true, and this field is set to Disabled, the mount is not made + recursively read-only. If this field is set to IfPossible, the mount is made + recursively read-only, if it is supported by the container runtime. If this + field is set to Enabled, the mount is made recursively read-only if it is + supported by the container runtime, otherwise the pod will not be started and + an error will be generated to indicate the reason. + + If this field is set to IfPossible or Enabled, MountPropagation must be set to + None (or be unspecified, which defaults to None). + + If this field is not specified, it is treated as an equivalent of Disabled. + type: string + subPath: + description: |- + Path within the volume from which the container's volume should be mounted. + Defaults to "" (volume's root). + type: string + subPathExpr: + description: |- + Expanded path within the volume from which the container's volume should be mounted. + Behaves similarly to SubPath but environment variable references $(VAR_NAME) are expanded using the container's environment. + Defaults to "" (volume's root). + SubPathExpr and SubPath are mutually exclusive. + type: string + required: + - mountPath + - name + type: object + type: array + x-kubernetes-list-map-keys: + - mountPath + x-kubernetes-list-type: map + workingDir: + description: |- + Container's working directory. + If not specified, the container runtime's default will be used, which + might be configured in the container image. + Cannot be updated. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + hostAliases: + description: |- + HostAliases is an optional list of hosts and IPs that will be injected into the pod's hosts + file if specified. + items: + description: |- + HostAlias holds the mapping between IP and hostnames that will be injected as an entry in the + pod's hosts file. + properties: + hostnames: + description: Hostnames for the above IP address. + items: + type: string + type: array + x-kubernetes-list-type: atomic + ip: + description: IP address of the host file entry. + type: string + required: + - ip + type: object + type: array + x-kubernetes-list-map-keys: + - ip + x-kubernetes-list-type: map + hostIPC: + description: |- + Use the host's ipc namespace. + Optional: Default to false. + type: boolean + hostNetwork: + description: |- + Host networking requested for this pod. Use the host's network namespace. + When using HostNetwork you should specify ports so the scheduler is aware. + When `hostNetwork` is true, specified `hostPort` fields in port definitions must match `containerPort`, + and unspecified `hostPort` fields in port definitions are defaulted to match `containerPort`. + Default to false. + type: boolean + hostPID: + description: |- + Use the host's pid namespace. + Optional: Default to false. + type: boolean + hostUsers: + description: |- + Use the host's user namespace. + Optional: Default to true. + If set to true or not present, the pod will be run in the host user namespace, useful + for when the pod needs a feature only available to the host user namespace, such as + loading a kernel module with CAP_SYS_MODULE. + When set to false, a new userns is created for the pod. Setting false is useful for + mitigating container breakout vulnerabilities even allowing users to run their + containers as root without actually having root privileges on the host. + This field is alpha-level and is only honored by servers that enable the UserNamespacesSupport feature. + type: boolean + hostname: + description: |- + Specifies the hostname of the Pod + If not specified, the pod's hostname will be set to a system-defined value. + type: string + hostnameOverride: + description: |- + HostnameOverride specifies an explicit override for the pod's hostname as perceived by the pod. + This field only specifies the pod's hostname and does not affect its DNS records. + When this field is set to a non-empty string: + - It takes precedence over the values set in `hostname` and `subdomain`. + - The Pod's hostname will be set to this value. + - `setHostnameAsFQDN` must be nil or set to false. + - `hostNetwork` must be set to false. + + This field must be a valid DNS subdomain as defined in RFC 1123 and contain at most 64 characters. + Requires the HostnameOverride feature gate to be enabled. + type: string + imagePullSecrets: + description: |- + ImagePullSecrets is an optional list of references to secrets in the same namespace to use for pulling any of the images used by this PodSpec. + If specified, these secrets will be passed to individual puller implementations for them to use. + More info: https://kubernetes.io/docs/concepts/containers/images#specifying-imagepullsecrets-on-a-pod + items: + description: |- + LocalObjectReference contains enough information to let you locate the + referenced object inside the same namespace. + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + type: object + x-kubernetes-map-type: atomic + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + initContainers: + description: |- + List of initialization containers belonging to the pod. + Init containers are executed in order prior to containers being started. If any + init container fails, the pod is considered to have failed and is handled according + to its restartPolicy. The name for an init container or normal container must be + unique among all containers. + Init containers may not have Lifecycle actions, Readiness probes, Liveness probes, or Startup probes. + The resourceRequirements of an init container are taken into account during scheduling + by finding the highest request/limit for each resource type, and then using the max of + that value or the sum of the normal containers. Limits are applied to init containers + in a similar fashion. + Init containers cannot currently be added or removed. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/init-containers/ + items: + description: A single application container that you + want to run within a pod. + properties: + args: + description: |- + Arguments to the entrypoint. + The container image's CMD is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + x-kubernetes-list-type: atomic + command: + description: |- + Entrypoint array. Not executed within a shell. + The container image's ENTRYPOINT is used if this is not provided. + Variable references $(VAR_NAME) are expanded using the container's environment. If a variable + cannot be resolved, the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. "$$(VAR_NAME)" will + produce the string literal "$(VAR_NAME)". Escaped references will never be expanded, regardless + of whether the variable exists or not. Cannot be updated. + More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell + items: + type: string + type: array + x-kubernetes-list-type: atomic + env: + description: |- + List of environment variables to set in the container. + Cannot be updated. + items: + description: EnvVar represents an environment + variable present in a Container. + properties: + name: + description: |- + Name of the environment variable. + May consist of any printable ASCII characters except '='. + type: string + value: + description: |- + Variable references $(VAR_NAME) are expanded + using the previously defined environment variables in the container and + any service environment variables. If a variable cannot be resolved, + the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. + "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". + Escaped references will never be expanded, regardless of whether the variable + exists or not. + Defaults to "". + type: string + valueFrom: + description: Source for the environment + variable's value. Cannot be used if value + is not empty. + properties: + configMapKeyRef: + description: Selects a key of a ConfigMap. + properties: + key: + description: The key to select. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the + ConfigMap or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + fieldRef: + description: |- + Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, + spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + properties: + apiVersion: + description: Version of the schema + the FieldPath is written in terms + of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to + select in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + fileKeyRef: + description: |- + FileKeyRef selects a key of the env file. + Requires the EnvFiles feature gate to be enabled. + properties: + key: + description: |- + The key within the env file. An invalid key will prevent the pod from starting. + The keys defined within a source may consist of any printable ASCII characters except '='. + During Alpha stage of the EnvFiles feature gate, the key size is limited to 128 characters. + type: string + optional: + default: false + description: |- + Specify whether the file or its key must be defined. If the file or key + does not exist, then the env var is not published. + If optional is set to true and the specified key does not exist, + the environment variable will not be set in the Pod's containers. + + If optional is set to false and the specified key does not exist, + an error will be returned during Pod creation. + type: boolean + path: + description: |- + The path within the volume from which to select the file. + Must be relative and may not contain the '..' path or start with '..'. + type: string + volumeName: + description: The name of the volume + mount containing the env file. + type: string + required: + - key + - path + - volumeName + type: object + x-kubernetes-map-type: atomic + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + properties: + containerName: + description: 'Container name: required + for volumes, optional for env + vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output + format of the exposed resources, + defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource + to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + secretKeyRef: + description: Selects a key of a secret + in the pod's namespace + properties: + key: + description: The key of the secret + to select from. Must be a valid + secret key. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the + Secret or its key must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + type: object + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + envFrom: + description: |- + List of sources to populate environment variables in the container. + The keys defined within a source may consist of any printable ASCII characters except '='. + When a key exists in multiple + sources, the value associated with the last source will take precedence. + Values defined by an Env with a duplicate key will take precedence. + Cannot be updated. + items: + description: EnvFromSource represents the source + of a set of ConfigMaps or Secrets + properties: + configMapRef: + description: The ConfigMap to select from + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the ConfigMap + must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + prefix: + description: |- + Optional text to prepend to the name of each environment variable. + May consist of any printable ASCII characters except '='. + type: string + secretRef: + description: The Secret to select from + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the Secret + must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + type: object + type: array + x-kubernetes-list-type: atomic + image: + description: |- + Container image name. + More info: https://kubernetes.io/docs/concepts/containers/images + This field is optional to allow higher level config management to default or override + container images in workload controllers like Deployments and StatefulSets. + type: string + imagePullPolicy: + description: |- + Image pull policy. + One of Always, Never, IfNotPresent. + Defaults to Always if :latest tag is specified, or IfNotPresent otherwise. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/containers/images#updating-images + type: string + lifecycle: + description: |- + Actions that the management system should take in response to container lifecycle events. + Cannot be updated. + properties: + postStart: + description: |- + PostStart is called immediately after a container is created. If the handler fails, + the container is terminated and restarted according to its restart policy. + Other management of the container blocks until the hook completes. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies a command + to execute in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + httpGet: + description: HTTPGet specifies an HTTP + GET request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set + in the request. HTTP allows repeated + headers. + items: + description: HTTPHeader describes + a custom header to be used in + HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field + value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the + HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents a duration + that the container should sleep. + properties: + seconds: + description: Seconds is the number + of seconds to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for backward compatibility. There is no validation of this field and + lifecycle hooks will fail at runtime when it is specified. + properties: + host: + description: 'Optional: Host name + to connect to, defaults to the pod + IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + preStop: + description: |- + PreStop is called immediately before a container is terminated due to an + API request or management event such as liveness/startup probe failure, + preemption, resource contention, etc. The handler is not called if the + container crashes or exits. The Pod's termination grace period countdown begins before the + PreStop hook is executed. Regardless of the outcome of the handler, the + container will eventually terminate within the Pod's termination grace + period (unless delayed by finalizers). Other management of the container blocks until the hook completes + or until the termination grace period is reached. + More info: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks + properties: + exec: + description: Exec specifies a command + to execute in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + httpGet: + description: HTTPGet specifies an HTTP + GET request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set + in the request. HTTP allows repeated + headers. + items: + description: HTTPHeader describes + a custom header to be used in + HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field + value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the + HTTP server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + sleep: + description: Sleep represents a duration + that the container should sleep. + properties: + seconds: + description: Seconds is the number + of seconds to sleep. + format: int64 + type: integer + required: + - seconds + type: object + tcpSocket: + description: |- + Deprecated. TCPSocket is NOT supported as a LifecycleHandler and kept + for backward compatibility. There is no validation of this field and + lifecycle hooks will fail at runtime when it is specified. + properties: + host: + description: 'Optional: Host name + to connect to, defaults to the pod + IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + type: object + stopSignal: + description: |- + StopSignal defines which signal will be sent to a container when it is being stopped. + If not specified, the default is defined by the container runtime in use. + StopSignal can only be set for Pods with a non-empty .spec.os.name + type: string + type: object + livenessProbe: + description: |- + Periodic probe of container liveness. + Container will be restarted if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies a command to execute + in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies a GRPC HealthCheckRequest. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + default: "" + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies an HTTP GET + request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in + the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a + custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies a connection + to a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + name: + description: |- + Name of the container specified as a DNS_LABEL. + Each container in a pod must have a unique name (DNS_LABEL). + Cannot be updated. + type: string + ports: + description: |- + List of ports to expose from the container. Not specifying a port here + DOES NOT prevent that port from being exposed. Any port which is + listening on the default "0.0.0.0" address inside a container will be + accessible from the network. + Modifying this array with strategic merge patch may corrupt the data. + For more information See https://github.com/kubernetes/kubernetes/issues/108255. + Cannot be updated. + items: + description: ContainerPort represents a network + port in a single container. + properties: + containerPort: + description: |- + Number of port to expose on the pod's IP address. + This must be a valid port number, 0 < x < 65536. + format: int32 + type: integer + hostIP: + description: What host IP to bind the external + port to. + type: string + hostPort: + description: |- + Number of port to expose on the host. + If specified, this must be a valid port number, 0 < x < 65536. + If HostNetwork is specified, this must match ContainerPort. + Most containers do not need this. + format: int32 + type: integer + name: + description: |- + If specified, this must be an IANA_SVC_NAME and unique within the pod. Each + named port in a pod must have a unique name. Name for the port that can be + referred to by services. + type: string + protocol: + default: TCP + description: |- + Protocol for port. Must be UDP, TCP, or SCTP. + Defaults to "TCP". + type: string + required: + - containerPort + type: object + type: array + x-kubernetes-list-map-keys: + - containerPort + - protocol + x-kubernetes-list-type: map + readinessProbe: + description: |- + Periodic probe of container service readiness. + Container will be removed from service endpoints if the probe fails. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies a command to execute + in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies a GRPC HealthCheckRequest. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + default: "" + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies an HTTP GET + request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in + the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a + custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies a connection + to a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + resizePolicy: + description: |- + Resources resize policy for the container. + This field cannot be set on ephemeral containers. + items: + description: ContainerResizePolicy represents + resource resize policy for the container. + properties: + resourceName: + description: |- + Name of the resource to which this resource resize policy applies. + Supported values: cpu, memory. + type: string + restartPolicy: + description: |- + Restart policy to apply when specified resource is resized. + If not specified, it defaults to NotRequired. + type: string + required: + - resourceName + - restartPolicy + type: object + type: array + x-kubernetes-list-type: atomic + resources: + description: |- + Compute Resources required by this container. + Cannot be updated. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + properties: + claims: + description: |- + Claims lists the names of resources, defined in spec.resourceClaims, + that are used by this container. + + This field depends on the + DynamicResourceAllocation feature gate. + + This field is immutable. It can only be set for containers. + items: + description: ResourceClaim references one + entry in PodSpec.ResourceClaims. + properties: + name: + description: |- + Name must match the name of one entry in pod.spec.resourceClaims of + the Pod where this field is used. It makes that resource available + inside a container. + type: string + request: + description: |- + Request is the name chosen for a request in the referenced claim. + If empty, everything from the claim is made available, otherwise + only the result of this request. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + restartPolicy: + description: |- + RestartPolicy defines the restart behavior of individual containers in a pod. + This overrides the pod-level restart policy. When this field is not specified, + the restart behavior is defined by the Pod's restart policy and the container type. + Additionally, setting the RestartPolicy as "Always" for the init container will + have the following effect: + this init container will be continually restarted on + exit until all regular containers have terminated. Once all regular + containers have completed, all init containers with restartPolicy "Always" + will be shut down. This lifecycle differs from normal init containers and + is often referred to as a "sidecar" container. Although this init + container still starts in the init container sequence, it does not wait + for the container to complete before proceeding to the next init + container. Instead, the next init container starts immediately after this + init container is started, or after any startupProbe has successfully + completed. + type: string + restartPolicyRules: + description: |- + Represents a list of rules to be checked to determine if the + container should be restarted on exit. The rules are evaluated in + order. Once a rule matches a container exit condition, the remaining + rules are ignored. If no rule matches the container exit condition, + the Container-level restart policy determines the whether the container + is restarted or not. Constraints on the rules: + - At most 20 rules are allowed. + - Rules can have the same action. + - Identical rules are not forbidden in validations. + When rules are specified, container MUST set RestartPolicy explicitly + even it if matches the Pod's RestartPolicy. + items: + description: ContainerRestartRule describes + how a container exit is handled. + properties: + action: + description: |- + Specifies the action taken on a container exit if the requirements + are satisfied. The only possible value is "Restart" to restart the + container. + type: string + exitCodes: + description: Represents the exit codes to + check on container exits. + properties: + operator: + description: |- + Represents the relationship between the container exit code(s) and the + specified values. Possible values are: + - In: the requirement is satisfied if the container exit code is in the + set of specified values. + - NotIn: the requirement is satisfied if the container exit code is + not in the set of specified values. + type: string + values: + description: |- + Specifies the set of values to check for container exit codes. + At most 255 elements are allowed. + items: + format: int32 + type: integer + type: array + x-kubernetes-list-type: set + required: + - operator + type: object + required: + - action + type: object + type: array + x-kubernetes-list-type: atomic + securityContext: + description: |- + SecurityContext defines the security options the container should be run with. + If set, the fields of SecurityContext override the equivalent fields of PodSecurityContext. + More info: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/ + properties: + allowPrivilegeEscalation: + description: |- + AllowPrivilegeEscalation controls whether a process can gain more + privileges than its parent process. This bool directly controls if + the no_new_privs flag will be set on the container process. + AllowPrivilegeEscalation is true always when the container is: + 1) run as Privileged + 2) has CAP_SYS_ADMIN + Note that this field cannot be set when spec.os.name is windows. + type: boolean + appArmorProfile: + description: |- + appArmorProfile is the AppArmor options to use by this container. If set, this profile + overrides the pod's appArmorProfile. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile loaded on the node that should be used. + The profile must be preconfigured on the node to work. + Must match the loaded name of the profile. + Must be set if and only if type is "Localhost". + type: string + type: + description: |- + type indicates which kind of AppArmor profile will be applied. + Valid options are: + Localhost - a profile pre-loaded on the node. + RuntimeDefault - the container runtime's default profile. + Unconfined - no AppArmor enforcement. + type: string + required: + - type + type: object + capabilities: + description: |- + The capabilities to add/drop when running containers. + Defaults to the default set of capabilities granted by the container runtime. + Note that this field cannot be set when spec.os.name is windows. + properties: + add: + description: Added capabilities + items: + description: Capability represent POSIX + capabilities type + type: string + type: array + x-kubernetes-list-type: atomic + drop: + description: Removed capabilities + items: + description: Capability represent POSIX + capabilities type + type: string + type: array + x-kubernetes-list-type: atomic + type: object + privileged: + description: |- + Run container in privileged mode. + Processes in privileged containers are essentially equivalent to root on the host. + Defaults to false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + procMount: + description: |- + procMount denotes the type of proc mount to use for the containers. + The default value is Default which uses the container runtime defaults for + readonly paths and masked paths. + This requires the ProcMountType feature flag to be enabled. + Note that this field cannot be set when spec.os.name is windows. + type: string + readOnlyRootFilesystem: + description: |- + Whether this container has a read-only root filesystem. + Default is false. + Note that this field cannot be set when spec.os.name is windows. + type: boolean + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: + description: |- + Indicates that the container must run as a non-root user. + If true, the Kubelet will validate the image at runtime to ensure that it + does not run as UID 0 (root) and fail to start the container if it does. + If unset or false, no such validation will be performed. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: boolean + runAsUser: + description: |- + The UID to run the entrypoint of the container process. + Defaults to user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + seLinuxOptions: + description: |- + The SELinux context to be applied to the container. + If unspecified, the container runtime will allocate a random SELinux context for each + container. May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is windows. + properties: + level: + description: Level is SELinux level label + that applies to the container. + type: string + role: + description: Role is a SELinux role label + that applies to the container. + type: string + type: + description: Type is a SELinux type label + that applies to the container. + type: string + user: + description: User is a SELinux user label + that applies to the container. + type: string + type: object + seccompProfile: + description: |- + The seccomp options to use by this container. If seccomp options are + provided at both the pod & container level, the container options + override the pod options. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile defined in a file on the node should be used. + The profile must be preconfigured on the node to work. + Must be a descending path, relative to the kubelet's configured seccomp profile location. + Must be set if type is "Localhost". Must NOT be set for any other type. + type: string + type: + description: |- + type indicates which kind of seccomp profile will be applied. + Valid options are: + + Localhost - a profile defined in a file on the node should be used. + RuntimeDefault - the container runtime default profile should be used. + Unconfined - no profile should be applied. + type: string + required: + - type + type: object + windowsOptions: + description: |- + The Windows specific settings applied to all containers. + If unspecified, the options from the PodSecurityContext will be used. + If set in both SecurityContext and PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is linux. + properties: + gmsaCredentialSpec: + description: |- + GMSACredentialSpec is where the GMSA admission webhook + (https://github.com/kubernetes-sigs/windows-gmsa) inlines the contents of the + GMSA credential spec named by the GMSACredentialSpecName field. + type: string + gmsaCredentialSpecName: + description: GMSACredentialSpecName is + the name of the GMSA credential spec + to use. + type: string + hostProcess: + description: |- + HostProcess determines if a container should be run as a 'Host Process' container. + All of a Pod's containers must have the same effective HostProcess value + (it is not allowed to have a mix of HostProcess containers and non-HostProcess containers). + In addition, if HostProcess is true then HostNetwork must also be set to true. + type: boolean + runAsUserName: + description: |- + The UserName in Windows to run the entrypoint of the container process. + Defaults to the user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: string + type: object + type: object + startupProbe: + description: |- + StartupProbe indicates that the Pod has successfully initialized. + If specified, no other probes are executed until this completes successfully. + If this probe fails, the Pod will be restarted, just as if the livenessProbe failed. + This can be used to provide different probe parameters at the beginning of a Pod's lifecycle, + when it might take a long time to load data or warm a cache, than during steady-state operation. + This cannot be updated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + properties: + exec: + description: Exec specifies a command to execute + in the container. + properties: + command: + description: |- + Command is the command line to execute inside the container, the working directory for the + command is root ('/') in the container's filesystem. The command is simply exec'd, it is + not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use + a shell, you need to explicitly call out to that shell. + Exit status of 0 is treated as live/healthy and non-zero is unhealthy. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + failureThreshold: + description: |- + Minimum consecutive failures for the probe to be considered failed after having succeeded. + Defaults to 3. Minimum value is 1. + format: int32 + type: integer + grpc: + description: GRPC specifies a GRPC HealthCheckRequest. + properties: + port: + description: Port number of the gRPC service. + Number must be in the range 1 to 65535. + format: int32 + type: integer + service: + default: "" + description: |- + Service is the name of the service to place in the gRPC HealthCheckRequest + (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). + + If this is not specified, the default behavior is defined by gRPC. + type: string + required: + - port + type: object + httpGet: + description: HTTPGet specifies an HTTP GET + request to perform. + properties: + host: + description: |- + Host name to connect to, defaults to the pod IP. You probably want to set + "Host" in httpHeaders instead. + type: string + httpHeaders: + description: Custom headers to set in + the request. HTTP allows repeated headers. + items: + description: HTTPHeader describes a + custom header to be used in HTTP probes + properties: + name: + description: |- + The header field name. + This will be canonicalized upon output, so case-variant names will be understood as the same header. + type: string + value: + description: The header field value + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + path: + description: Path to access on the HTTP + server. + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Name or number of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + scheme: + description: |- + Scheme to use for connecting to the host. + Defaults to HTTP. + type: string + required: + - port + type: object + initialDelaySeconds: + description: |- + Number of seconds after the container has started before liveness probes are initiated. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + periodSeconds: + description: |- + How often (in seconds) to perform the probe. + Default to 10 seconds. Minimum value is 1. + format: int32 + type: integer + successThreshold: + description: |- + Minimum consecutive successes for the probe to be considered successful after having failed. + Defaults to 1. Must be 1 for liveness and startup. Minimum value is 1. + format: int32 + type: integer + tcpSocket: + description: TCPSocket specifies a connection + to a TCP port. + properties: + host: + description: 'Optional: Host name to connect + to, defaults to the pod IP.' + type: string + port: + anyOf: + - type: integer + - type: string + description: |- + Number or name of the port to access on the container. + Number must be in the range 1 to 65535. + Name must be an IANA_SVC_NAME. + x-kubernetes-int-or-string: true + required: + - port + type: object + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully upon probe failure. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + If this value is nil, the pod's terminationGracePeriodSeconds will be used. Otherwise, this + value overrides the value provided by the pod spec. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + This is a beta field and requires enabling ProbeTerminationGracePeriod feature gate. + Minimum value is 1. spec.terminationGracePeriodSeconds is used if unset. + format: int64 + type: integer + timeoutSeconds: + description: |- + Number of seconds after which the probe times out. + Defaults to 1 second. Minimum value is 1. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes + format: int32 + type: integer + type: object + stdin: + description: |- + Whether this container should allocate a buffer for stdin in the container runtime. If this + is not set, reads from stdin in the container will always result in EOF. + Default is false. + type: boolean + stdinOnce: + description: |- + Whether the container runtime should close the stdin channel after it has been opened by + a single attach. When stdin is true the stdin stream will remain open across multiple attach + sessions. If stdinOnce is set to true, stdin is opened on container start, is empty until the + first client attaches to stdin, and then remains open and accepts data until the client disconnects, + at which time stdin is closed and remains closed until the container is restarted. If this + flag is false, a container processes that reads from stdin will never receive an EOF. + Default is false + type: boolean + terminationMessagePath: + description: |- + Optional: Path at which the file to which the container's termination message + will be written is mounted into the container's filesystem. + Message written is intended to be brief final status, such as an assertion failure message. + Will be truncated by the node if greater than 4096 bytes. The total message length across + all containers will be limited to 12kb. + Defaults to /dev/termination-log. + Cannot be updated. + type: string + terminationMessagePolicy: + description: |- + Indicate how the termination message should be populated. File will use the contents of + terminationMessagePath to populate the container status message on both success and failure. + FallbackToLogsOnError will use the last chunk of container log output if the termination + message file is empty and the container exited with an error. + The log output is limited to 2048 bytes or 80 lines, whichever is smaller. + Defaults to File. + Cannot be updated. + type: string + tty: + description: |- + Whether this container should allocate a TTY for itself, also requires 'stdin' to be true. + Default is false. + type: boolean + volumeDevices: + description: volumeDevices is the list of block + devices to be used by the container. + items: + description: volumeDevice describes a mapping + of a raw block device within a container. + properties: + devicePath: + description: devicePath is the path inside + of the container that the device will + be mapped to. + type: string + name: + description: name must match the name of + a persistentVolumeClaim in the pod + type: string + required: + - devicePath + - name + type: object + type: array + x-kubernetes-list-map-keys: + - devicePath + x-kubernetes-list-type: map + volumeMounts: + description: |- + Pod volumes to mount into the container's filesystem. + Cannot be updated. + items: + description: VolumeMount describes a mounting + of a Volume within a container. + properties: + mountPath: + description: |- + Path within the container at which the volume should be mounted. Must + not contain ':'. + type: string + mountPropagation: + description: |- + mountPropagation determines how mounts are propagated from the host + to container and the other way around. + When not set, MountPropagationNone is used. + This field is beta in 1.10. + When RecursiveReadOnly is set to IfPossible or to Enabled, MountPropagation must be None or unspecified + (which defaults to None). + type: string + name: + description: This must match the Name of + a Volume. + type: string + readOnly: + description: |- + Mounted read-only if true, read-write otherwise (false or unspecified). + Defaults to false. + type: boolean + recursiveReadOnly: + description: |- + RecursiveReadOnly specifies whether read-only mounts should be handled + recursively. + + If ReadOnly is false, this field has no meaning and must be unspecified. + + If ReadOnly is true, and this field is set to Disabled, the mount is not made + recursively read-only. If this field is set to IfPossible, the mount is made + recursively read-only, if it is supported by the container runtime. If this + field is set to Enabled, the mount is made recursively read-only if it is + supported by the container runtime, otherwise the pod will not be started and + an error will be generated to indicate the reason. + + If this field is set to IfPossible or Enabled, MountPropagation must be set to + None (or be unspecified, which defaults to None). + + If this field is not specified, it is treated as an equivalent of Disabled. + type: string + subPath: + description: |- + Path within the volume from which the container's volume should be mounted. + Defaults to "" (volume's root). + type: string + subPathExpr: + description: |- + Expanded path within the volume from which the container's volume should be mounted. + Behaves similarly to SubPath but environment variable references $(VAR_NAME) are expanded using the container's environment. + Defaults to "" (volume's root). + SubPathExpr and SubPath are mutually exclusive. + type: string + required: + - mountPath + - name + type: object + type: array + x-kubernetes-list-map-keys: + - mountPath + x-kubernetes-list-type: map + workingDir: + description: |- + Container's working directory. + If not specified, the container runtime's default will be used, which + might be configured in the container image. + Cannot be updated. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + nodeName: + description: |- + NodeName indicates in which node this pod is scheduled. + If empty, this pod is a candidate for scheduling by the scheduler defined in schedulerName. + Once this field is set, the kubelet for this node becomes responsible for the lifecycle of this pod. + This field should not be used to express a desire for the pod to be scheduled on a specific node. + https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#nodename + type: string + nodeSelector: + additionalProperties: + type: string + description: |- + NodeSelector is a selector which must be true for the pod to fit on a node. + Selector which must match a node's labels for the pod to be scheduled on that node. + More info: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/ + type: object + x-kubernetes-map-type: atomic + os: + description: |- + Specifies the OS of the containers in the pod. + Some pod and container fields are restricted if this is set. + + If the OS field is set to linux, the following fields must be unset: + -securityContext.windowsOptions + + If the OS field is set to windows, following fields must be unset: + - spec.hostPID + - spec.hostIPC + - spec.hostUsers + - spec.resources + - spec.securityContext.appArmorProfile + - spec.securityContext.seLinuxOptions + - spec.securityContext.seccompProfile + - spec.securityContext.fsGroup + - spec.securityContext.fsGroupChangePolicy + - spec.securityContext.sysctls + - spec.shareProcessNamespace + - spec.securityContext.runAsUser + - spec.securityContext.runAsGroup + - spec.securityContext.supplementalGroups + - spec.securityContext.supplementalGroupsPolicy + - spec.containers[*].securityContext.appArmorProfile + - spec.containers[*].securityContext.seLinuxOptions + - spec.containers[*].securityContext.seccompProfile + - spec.containers[*].securityContext.capabilities + - spec.containers[*].securityContext.readOnlyRootFilesystem + - spec.containers[*].securityContext.privileged + - spec.containers[*].securityContext.allowPrivilegeEscalation + - spec.containers[*].securityContext.procMount + - spec.containers[*].securityContext.runAsUser + - spec.containers[*].securityContext.runAsGroup + properties: + name: + description: |- + Name is the name of the operating system. The currently supported values are linux and windows. + Additional value may be defined in future and can be one of: + https://github.com/opencontainers/runtime-spec/blob/master/config.md#platform-specific-configuration + Clients should expect to handle additional values and treat unrecognized values in this field as os: null + type: string + required: + - name + type: object + overhead: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Overhead represents the resource overhead associated with running a pod for a given RuntimeClass. + This field will be autopopulated at admission time by the RuntimeClass admission controller. If + the RuntimeClass admission controller is enabled, overhead must not be set in Pod create requests. + The RuntimeClass admission controller will reject Pod create requests which have the overhead already + set. If RuntimeClass is configured and selected in the PodSpec, Overhead will be set to the value + defined in the corresponding RuntimeClass, otherwise it will remain unset and treated as zero. + More info: https://git.k8s.io/enhancements/keps/sig-node/688-pod-overhead/README.md + type: object + preemptionPolicy: + description: |- + PreemptionPolicy is the Policy for preempting pods with lower priority. + One of Never, PreemptLowerPriority. + Defaults to PreemptLowerPriority if unset. + type: string + priority: + description: |- + The priority value. Various system components use this field to find the + priority of the pod. When Priority Admission Controller is enabled, it + prevents users from setting this field. The admission controller populates + this field from PriorityClassName. + The higher the value, the higher the priority. + format: int32 + type: integer + priorityClassName: + description: |- + If specified, indicates the pod's priority. "system-node-critical" and + "system-cluster-critical" are two special keywords which indicate the + highest priorities with the former being the highest priority. Any other + name must be defined by creating a PriorityClass object with that name. + If not specified, the pod priority will be default or zero if there is no + default. + type: string + readinessGates: + description: |- + If specified, all readiness gates will be evaluated for pod readiness. + A pod is ready when all its containers are ready AND + all conditions specified in the readiness gates have status equal to "True" + More info: https://git.k8s.io/enhancements/keps/sig-network/580-pod-readiness-gates + items: + description: PodReadinessGate contains the reference + to a pod condition + properties: + conditionType: + description: ConditionType refers to a condition + in the pod's condition list with matching type. + type: string + required: + - conditionType + type: object + type: array + x-kubernetes-list-type: atomic + resourceClaims: + description: |- + ResourceClaims defines which ResourceClaims must be allocated + and reserved before the Pod is allowed to start. The resources + will be made available to those containers which consume them + by name. + + This is a stable field but requires that the + DynamicResourceAllocation feature gate is enabled. + + This field is immutable. + items: + description: |- + PodResourceClaim references exactly one ResourceClaim, either directly + or by naming a ResourceClaimTemplate which is then turned into a ResourceClaim + for the pod. + + It adds a name to it that uniquely identifies the ResourceClaim inside the Pod. + Containers that need access to the ResourceClaim reference it with this name. + properties: + name: + description: |- + Name uniquely identifies this resource claim inside the pod. + This must be a DNS_LABEL. + type: string + resourceClaimName: + description: |- + ResourceClaimName is the name of a ResourceClaim object in the same + namespace as this pod. + + Exactly one of ResourceClaimName and ResourceClaimTemplateName must + be set. + type: string + resourceClaimTemplateName: + description: |- + ResourceClaimTemplateName is the name of a ResourceClaimTemplate + object in the same namespace as this pod. + + The template will be used to create a new ResourceClaim, which will + be bound to this pod. When this pod is deleted, the ResourceClaim + will also be deleted. The pod name and resource name, along with a + generated component, will be used to form a unique name for the + ResourceClaim, which will be recorded in pod.status.resourceClaimStatuses. + + This field is immutable and no changes will be made to the + corresponding ResourceClaim by the control plane after creating the + ResourceClaim. + + Exactly one of ResourceClaimName and ResourceClaimTemplateName must + be set. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + resources: + description: |- + Resources is the total amount of CPU and Memory resources required by all + containers in the pod. It supports specifying Requests and Limits for + "cpu", "memory" and "hugepages-" resource names only. ResourceClaims are not supported. + + This field enables fine-grained control over resource allocation for the + entire pod, allowing resource sharing among containers in a pod. + + This is an alpha field and requires enabling the PodLevelResources feature + gate. + properties: + claims: + description: |- + Claims lists the names of resources, defined in spec.resourceClaims, + that are used by this container. + + This field depends on the + DynamicResourceAllocation feature gate. + + This field is immutable. It can only be set for containers. + items: + description: ResourceClaim references one entry + in PodSpec.ResourceClaims. + properties: + name: + description: |- + Name must match the name of one entry in pod.spec.resourceClaims of + the Pod where this field is used. It makes that resource available + inside a container. + type: string + request: + description: |- + Request is the name chosen for a request in the referenced claim. + If empty, everything from the claim is made available, otherwise + only the result of this request. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + restartPolicy: + description: |- + Restart policy for all containers within the pod. + One of Always, OnFailure, Never. In some contexts, only a subset of those values may be permitted. + Default to Always. + More info: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#restart-policy + type: string + runtimeClassName: + description: |- + RuntimeClassName refers to a RuntimeClass object in the node.k8s.io group, which should be used + to run this pod. If no RuntimeClass resource matches the named class, the pod will not be run. + If unset or empty, the "legacy" RuntimeClass will be used, which is an implicit class with an + empty definition that uses the default runtime handler. + More info: https://git.k8s.io/enhancements/keps/sig-node/585-runtime-class + type: string + schedulerName: + description: |- + If specified, the pod will be dispatched by specified scheduler. + If not specified, the pod will be dispatched by default scheduler. + type: string + schedulingGates: + description: |- + SchedulingGates is an opaque list of values that if specified will block scheduling the pod. + If schedulingGates is not empty, the pod will stay in the SchedulingGated state and the + scheduler will not attempt to schedule the pod. + + SchedulingGates can only be set at pod creation time, and be removed only afterwards. + items: + description: PodSchedulingGate is associated to a + Pod to guard its scheduling. + properties: + name: + description: |- + Name of the scheduling gate. + Each scheduling gate must have a unique name field. + type: string + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + securityContext: + description: |- + SecurityContext holds pod-level security attributes and common container settings. + Optional: Defaults to empty. See type description for default values of each field. + properties: + appArmorProfile: + description: |- + appArmorProfile is the AppArmor options to use by the containers in this pod. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile loaded on the node that should be used. + The profile must be preconfigured on the node to work. + Must match the loaded name of the profile. + Must be set if and only if type is "Localhost". + type: string + type: + description: |- + type indicates which kind of AppArmor profile will be applied. + Valid options are: + Localhost - a profile pre-loaded on the node. + RuntimeDefault - the container runtime's default profile. + Unconfined - no AppArmor enforcement. + type: string + required: + - type + type: object + fsGroup: + description: |- + A special supplemental group that applies to all containers in a pod. + Some volume types allow the Kubelet to change the ownership of that volume + to be owned by the pod: + + 1. The owning GID will be the FSGroup + 2. The setgid bit is set (new files created in the volume will be owned by FSGroup) + 3. The permission bits are OR'd with rw-rw---- + + If unset, the Kubelet will not modify the ownership and permissions of any volume. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + fsGroupChangePolicy: + description: |- + fsGroupChangePolicy defines behavior of changing ownership and permission of the volume + before being exposed inside Pod. This field will only apply to + volume types which support fsGroup based ownership(and permissions). + It will have no effect on ephemeral volume types such as: secret, configmaps + and emptydir. + Valid values are "OnRootMismatch" and "Always". If not specified, "Always" is used. + Note that this field cannot be set when spec.os.name is windows. + type: string + runAsGroup: + description: |- + The GID to run the entrypoint of the container process. + Uses runtime default if unset. + May also be set in SecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence + for that container. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + runAsNonRoot: + description: |- + Indicates that the container must run as a non-root user. + If true, the Kubelet will validate the image at runtime to ensure that it + does not run as UID 0 (root) and fail to start the container if it does. + If unset or false, no such validation will be performed. + May also be set in SecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: boolean + runAsUser: + description: |- + The UID to run the entrypoint of the container process. + Defaults to user specified in image metadata if unspecified. + May also be set in SecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence + for that container. + Note that this field cannot be set when spec.os.name is windows. + format: int64 + type: integer + seLinuxChangePolicy: + description: |- + seLinuxChangePolicy defines how the container's SELinux label is applied to all volumes used by the Pod. + It has no effect on nodes that do not support SELinux or to volumes does not support SELinux. + Valid values are "MountOption" and "Recursive". + + "Recursive" means relabeling of all files on all Pod volumes by the container runtime. + This may be slow for large volumes, but allows mixing privileged and unprivileged Pods sharing the same volume on the same node. + + "MountOption" mounts all eligible Pod volumes with `-o context` mount option. + This requires all Pods that share the same volume to use the same SELinux label. + It is not possible to share the same volume among privileged and unprivileged Pods. + Eligible volumes are in-tree FibreChannel and iSCSI volumes, and all CSI volumes + whose CSI driver announces SELinux support by setting spec.seLinuxMount: true in their + CSIDriver instance. Other volumes are always re-labelled recursively. + "MountOption" value is allowed only when SELinuxMount feature gate is enabled. + + If not specified and SELinuxMount feature gate is enabled, "MountOption" is used. + If not specified and SELinuxMount feature gate is disabled, "MountOption" is used for ReadWriteOncePod volumes + and "Recursive" for all other volumes. + + This field affects only Pods that have SELinux label set, either in PodSecurityContext or in SecurityContext of all containers. + + All Pods that use the same volume should use the same seLinuxChangePolicy, otherwise some pods can get stuck in ContainerCreating state. + Note that this field cannot be set when spec.os.name is windows. + type: string + seLinuxOptions: + description: |- + The SELinux context to be applied to all containers. + If unspecified, the container runtime will allocate a random SELinux context for each + container. May also be set in SecurityContext. If set in + both SecurityContext and PodSecurityContext, the value specified in SecurityContext + takes precedence for that container. + Note that this field cannot be set when spec.os.name is windows. + properties: + level: + description: Level is SELinux level label that + applies to the container. + type: string + role: + description: Role is a SELinux role label that + applies to the container. + type: string + type: + description: Type is a SELinux type label that + applies to the container. + type: string + user: + description: User is a SELinux user label that + applies to the container. + type: string + type: object + seccompProfile: + description: |- + The seccomp options to use by the containers in this pod. + Note that this field cannot be set when spec.os.name is windows. + properties: + localhostProfile: + description: |- + localhostProfile indicates a profile defined in a file on the node should be used. + The profile must be preconfigured on the node to work. + Must be a descending path, relative to the kubelet's configured seccomp profile location. + Must be set if type is "Localhost". Must NOT be set for any other type. + type: string + type: + description: |- + type indicates which kind of seccomp profile will be applied. + Valid options are: + + Localhost - a profile defined in a file on the node should be used. + RuntimeDefault - the container runtime default profile should be used. + Unconfined - no profile should be applied. + type: string + required: + - type + type: object + supplementalGroups: + description: |- + A list of groups applied to the first process run in each container, in + addition to the container's primary GID and fsGroup (if specified). If + the SupplementalGroupsPolicy feature is enabled, the + supplementalGroupsPolicy field determines whether these are in addition + to or instead of any group memberships defined in the container image. + If unspecified, no additional groups are added, though group memberships + defined in the container image may still be used, depending on the + supplementalGroupsPolicy field. + Note that this field cannot be set when spec.os.name is windows. + items: + format: int64 + type: integer + type: array + x-kubernetes-list-type: atomic + supplementalGroupsPolicy: + description: |- + Defines how supplemental groups of the first container processes are calculated. + Valid values are "Merge" and "Strict". If not specified, "Merge" is used. + (Alpha) Using the field requires the SupplementalGroupsPolicy feature gate to be enabled + and the container runtime must implement support for this feature. + Note that this field cannot be set when spec.os.name is windows. + type: string + sysctls: + description: |- + Sysctls hold a list of namespaced sysctls used for the pod. Pods with unsupported + sysctls (by the container runtime) might fail to launch. + Note that this field cannot be set when spec.os.name is windows. + items: + description: Sysctl defines a kernel parameter + to be set + properties: + name: + description: Name of a property to set + type: string + value: + description: Value of a property to set + type: string + required: + - name + - value + type: object + type: array + x-kubernetes-list-type: atomic + windowsOptions: + description: |- + The Windows specific settings applied to all containers. + If unspecified, the options within a container's SecurityContext will be used. + If set in both SecurityContext and PodSecurityContext, the value specified in SecurityContext takes precedence. + Note that this field cannot be set when spec.os.name is linux. + properties: + gmsaCredentialSpec: + description: |- + GMSACredentialSpec is where the GMSA admission webhook + (https://github.com/kubernetes-sigs/windows-gmsa) inlines the contents of the + GMSA credential spec named by the GMSACredentialSpecName field. + type: string + gmsaCredentialSpecName: + description: GMSACredentialSpecName is the name + of the GMSA credential spec to use. + type: string + hostProcess: + description: |- + HostProcess determines if a container should be run as a 'Host Process' container. + All of a Pod's containers must have the same effective HostProcess value + (it is not allowed to have a mix of HostProcess containers and non-HostProcess containers). + In addition, if HostProcess is true then HostNetwork must also be set to true. + type: boolean + runAsUserName: + description: |- + The UserName in Windows to run the entrypoint of the container process. + Defaults to the user specified in image metadata if unspecified. + May also be set in PodSecurityContext. If set in both SecurityContext and + PodSecurityContext, the value specified in SecurityContext takes precedence. + type: string + type: object + type: object + serviceAccount: + description: |- + DeprecatedServiceAccount is a deprecated alias for ServiceAccountName. + Deprecated: Use serviceAccountName instead. + type: string + serviceAccountName: + description: |- + ServiceAccountName is the name of the ServiceAccount to use to run this pod. + More info: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/ + type: string + setHostnameAsFQDN: + description: |- + If true the pod's hostname will be configured as the pod's FQDN, rather than the leaf name (the default). + In Linux containers, this means setting the FQDN in the hostname field of the kernel (the nodename field of struct utsname). + In Windows containers, this means setting the registry value of hostname for the registry key HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters to FQDN. + If a pod does not have FQDN, this has no effect. + Default to false. + type: boolean + shareProcessNamespace: + description: |- + Share a single process namespace between all of the containers in a pod. + When this is set containers will be able to view and signal processes from other containers + in the same pod, and the first process in each container will not be assigned PID 1. + HostPID and ShareProcessNamespace cannot both be set. + Optional: Default to false. + type: boolean + subdomain: + description: |- + If specified, the fully qualified Pod hostname will be "...svc.". + If not specified, the pod will not have a domainname at all. + type: string + terminationGracePeriodSeconds: + description: |- + Optional duration in seconds the pod needs to terminate gracefully. May be decreased in delete request. + Value must be non-negative integer. The value zero indicates stop immediately via + the kill signal (no opportunity to shut down). + If this value is nil, the default grace period will be used instead. + The grace period is the duration in seconds after the processes running in the pod are sent + a termination signal and the time when the processes are forcibly halted with a kill signal. + Set this value longer than the expected cleanup time for your process. + Defaults to 30 seconds. + format: int64 + type: integer + tolerations: + description: If specified, the pod's tolerations. + items: + description: |- + The pod this Toleration is attached to tolerates any taint that matches + the triple using the matching operator . + properties: + effect: + description: |- + Effect indicates the taint effect to match. Empty means match all taint effects. + When specified, allowed values are NoSchedule, PreferNoSchedule and NoExecute. + type: string + key: + description: |- + Key is the taint key that the toleration applies to. Empty means match all taint keys. + If the key is empty, operator must be Exists; this combination means to match all values and all keys. + type: string + operator: + description: |- + Operator represents a key's relationship to the value. + Valid operators are Exists, Equal, Lt, and Gt. Defaults to Equal. + Exists is equivalent to wildcard for value, so that a pod can + tolerate all taints of a particular category. + Lt and Gt perform numeric comparisons (requires feature gate TaintTolerationComparisonOperators). + type: string + tolerationSeconds: + description: |- + TolerationSeconds represents the period of time the toleration (which must be + of effect NoExecute, otherwise this field is ignored) tolerates the taint. By default, + it is not set, which means tolerate the taint forever (do not evict). Zero and + negative values will be treated as 0 (evict immediately) by the system. + format: int64 + type: integer + value: + description: |- + Value is the taint value the toleration matches to. + If the operator is Exists, the value should be empty, otherwise just a regular string. + type: string + type: object + type: array + x-kubernetes-list-type: atomic + topologySpreadConstraints: + description: |- + TopologySpreadConstraints describes how a group of pods ought to spread across topology + domains. Scheduler will schedule pods in a way which abides by the constraints. + All topologySpreadConstraints are ANDed. + items: + description: TopologySpreadConstraint specifies how + to spread matching pods among the given topology. + properties: + labelSelector: + description: |- + LabelSelector is used to find matching pods. + Pods that match this label selector are counted to determine the number of pods + in their corresponding topology domain. + properties: + matchExpressions: + description: matchExpressions is a list of + label selector requirements. The requirements + are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that + the selector applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + matchLabelKeys: + description: |- + MatchLabelKeys is a set of pod label keys to select the pods over which + spreading will be calculated. The keys are used to lookup values from the + incoming pod labels, those key-value labels are ANDed with labelSelector + to select the group of existing pods over which spreading will be calculated + for the incoming pod. The same key is forbidden to exist in both MatchLabelKeys and LabelSelector. + MatchLabelKeys cannot be set when LabelSelector isn't set. + Keys that don't exist in the incoming pod labels will + be ignored. A null or empty list means only match against labelSelector. + + This is a beta field and requires the MatchLabelKeysInPodTopologySpread feature gate to be enabled (enabled by default). + items: + type: string + type: array + x-kubernetes-list-type: atomic + maxSkew: + description: |- + MaxSkew describes the degree to which pods may be unevenly distributed. + When `whenUnsatisfiable=DoNotSchedule`, it is the maximum permitted difference + between the number of matching pods in the target topology and the global minimum. + The global minimum is the minimum number of matching pods in an eligible domain + or zero if the number of eligible domains is less than MinDomains. + For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same + labelSelector spread as 2/2/1: + In this case, the global minimum is 1. + | zone1 | zone2 | zone3 | + | P P | P P | P | + - if MaxSkew is 1, incoming pod can only be scheduled to zone3 to become 2/2/2; + scheduling it onto zone1(zone2) would make the ActualSkew(3-1) on zone1(zone2) + violate MaxSkew(1). + - if MaxSkew is 2, incoming pod can be scheduled onto any zone. + When `whenUnsatisfiable=ScheduleAnyway`, it is used to give higher precedence + to topologies that satisfy it. + It's a required field. Default value is 1 and 0 is not allowed. + format: int32 + type: integer + minDomains: + description: |- + MinDomains indicates a minimum number of eligible domains. + When the number of eligible domains with matching topology keys is less than minDomains, + Pod Topology Spread treats "global minimum" as 0, and then the calculation of Skew is performed. + And when the number of eligible domains with matching topology keys equals or greater than minDomains, + this value has no effect on scheduling. + As a result, when the number of eligible domains is less than minDomains, + scheduler won't schedule more than maxSkew Pods to those domains. + If value is nil, the constraint behaves as if MinDomains is equal to 1. + Valid values are integers greater than 0. + When value is not nil, WhenUnsatisfiable must be DoNotSchedule. + + For example, in a 3-zone cluster, MaxSkew is set to 2, MinDomains is set to 5 and pods with the same + labelSelector spread as 2/2/2: + | zone1 | zone2 | zone3 | + | P P | P P | P P | + The number of domains is less than 5(MinDomains), so "global minimum" is treated as 0. + In this situation, new pod with the same labelSelector cannot be scheduled, + because computed skew will be 3(3 - 0) if new Pod is scheduled to any of the three zones, + it will violate MaxSkew. + format: int32 + type: integer + nodeAffinityPolicy: + description: |- + NodeAffinityPolicy indicates how we will treat Pod's nodeAffinity/nodeSelector + when calculating pod topology spread skew. Options are: + - Honor: only nodes matching nodeAffinity/nodeSelector are included in the calculations. + - Ignore: nodeAffinity/nodeSelector are ignored. All nodes are included in the calculations. + + If this value is nil, the behavior is equivalent to the Honor policy. + type: string + nodeTaintsPolicy: + description: |- + NodeTaintsPolicy indicates how we will treat node taints when calculating + pod topology spread skew. Options are: + - Honor: nodes without taints, along with tainted nodes for which the incoming pod + has a toleration, are included. + - Ignore: node taints are ignored. All nodes are included. + + If this value is nil, the behavior is equivalent to the Ignore policy. + type: string + topologyKey: + description: |- + TopologyKey is the key of node labels. Nodes that have a label with this key + and identical values are considered to be in the same topology. + We consider each as a "bucket", and try to put balanced number + of pods into each bucket. + We define a domain as a particular instance of a topology. + Also, we define an eligible domain as a domain whose nodes meet the requirements of + nodeAffinityPolicy and nodeTaintsPolicy. + e.g. If TopologyKey is "kubernetes.io/hostname", each Node is a domain of that topology. + And, if TopologyKey is "topology.kubernetes.io/zone", each zone is a domain of that topology. + It's a required field. + type: string + whenUnsatisfiable: + description: |- + WhenUnsatisfiable indicates how to deal with a pod if it doesn't satisfy + the spread constraint. + - DoNotSchedule (default) tells the scheduler not to schedule it. + - ScheduleAnyway tells the scheduler to schedule the pod in any location, + but giving higher precedence to topologies that would help reduce the + skew. + A constraint is considered "Unsatisfiable" for an incoming pod + if and only if every possible node assignment for that pod would violate + "MaxSkew" on some topology. + For example, in a 3-zone cluster, MaxSkew is set to 1, and pods with the same + labelSelector spread as 3/1/1: + | zone1 | zone2 | zone3 | + | P P P | P | P | + If WhenUnsatisfiable is set to DoNotSchedule, incoming pod can only be scheduled + to zone2(zone3) to become 3/2/1(3/1/2) as ActualSkew(2-1) on zone2(zone3) satisfies + MaxSkew(1). In other words, the cluster can still be imbalanced, but scheduler + won't make it *more* imbalanced. + It's a required field. + type: string + required: + - maxSkew + - topologyKey + - whenUnsatisfiable + type: object + type: array + x-kubernetes-list-map-keys: + - topologyKey + - whenUnsatisfiable + x-kubernetes-list-type: map + volumes: + description: |- + List of volumes that can be mounted by containers belonging to the pod. + More info: https://kubernetes.io/docs/concepts/storage/volumes + items: + description: Volume represents a named volume in a + pod that may be accessed by any container in the + pod. + properties: + awsElasticBlockStore: + description: |- + awsElasticBlockStore represents an AWS Disk resource that is attached to a + kubelet's host machine and then exposed to the pod. + Deprecated: AWSElasticBlockStore is deprecated. All operations for the in-tree + awsElasticBlockStore type are redirected to the ebs.csi.aws.com CSI driver. + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + properties: + fsType: + description: |- + fsType is the filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + type: string + partition: + description: |- + partition is the partition in the volume that you want to mount. + If omitted, the default is to mount by volume name. + Examples: For volume /dev/sda1, you specify the partition as "1". + Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty). + format: int32 + type: integer + readOnly: + description: |- + readOnly value true will force the readOnly setting in VolumeMounts. + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + type: boolean + volumeID: + description: |- + volumeID is unique ID of the persistent disk resource in AWS (Amazon EBS volume). + More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore + type: string + required: + - volumeID + type: object + azureDisk: + description: |- + azureDisk represents an Azure Data Disk mount on the host and bind mount to the pod. + Deprecated: AzureDisk is deprecated. All operations for the in-tree azureDisk type + are redirected to the disk.csi.azure.com CSI driver. + properties: + cachingMode: + description: 'cachingMode is the Host Caching + mode: None, Read Only, Read Write.' + type: string + diskName: + description: diskName is the Name of the data + disk in the blob storage + type: string + diskURI: + description: diskURI is the URI of data disk + in the blob storage + type: string + fsType: + default: ext4 + description: |- + fsType is Filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + kind: + description: 'kind expected values are Shared: + multiple blob disks per storage account Dedicated: + single blob disk per storage account Managed: + azure managed data disk (only in managed + availability set). defaults to shared' + type: string + readOnly: + default: false + description: |- + readOnly Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + required: + - diskName + - diskURI + type: object + azureFile: + description: |- + azureFile represents an Azure File Service mount on the host and bind mount to the pod. + Deprecated: AzureFile is deprecated. All operations for the in-tree azureFile type + are redirected to the file.csi.azure.com CSI driver. + properties: + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretName: + description: secretName is the name of secret + that contains Azure Storage Account Name + and Key + type: string + shareName: + description: shareName is the azure share + Name + type: string + required: + - secretName + - shareName + type: object + cephfs: + description: |- + cephFS represents a Ceph FS mount on the host that shares a pod's lifetime. + Deprecated: CephFS is deprecated and the in-tree cephfs type is no longer supported. + properties: + monitors: + description: |- + monitors is Required: Monitors is a collection of Ceph monitors + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + items: + type: string + type: array + x-kubernetes-list-type: atomic + path: + description: 'path is Optional: Used as the + mounted root, rather than the full Ceph + tree, default is /' + type: string + readOnly: + description: |- + readOnly is Optional: Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + type: boolean + secretFile: + description: |- + secretFile is Optional: SecretFile is the path to key ring for User, default is /etc/ceph/user.secret + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + type: string + secretRef: + description: |- + secretRef is Optional: SecretRef is reference to the authentication secret for User, default is empty. + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + type: object + x-kubernetes-map-type: atomic + user: + description: |- + user is optional: User is the rados user name, default is admin + More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it + type: string + required: + - monitors + type: object + cinder: + description: |- + cinder represents a cinder volume attached and mounted on kubelets host machine. + Deprecated: Cinder is deprecated. All operations for the in-tree cinder type + are redirected to the cinder.csi.openstack.org CSI driver. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + type: string + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + type: boolean + secretRef: + description: |- + secretRef is optional: points to a secret object containing parameters used to connect + to OpenStack. + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + type: object + x-kubernetes-map-type: atomic + volumeID: + description: |- + volumeID used to identify the volume in cinder. + More info: https://examples.k8s.io/mysql-cinder-pd/README.md + type: string + required: + - volumeID + type: object + configMap: + description: configMap represents a configMap + that should populate this volume + properties: + defaultMode: + description: |- + defaultMode is optional: mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + Defaults to 0644. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + items: + description: |- + items if unspecified, each key-value pair in the Data field of the referenced + ConfigMap will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the ConfigMap, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key to a path + within a volume. + properties: + key: + description: key is the key to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + x-kubernetes-list-type: atomic + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: optional specify whether the + ConfigMap or its keys must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + csi: + description: csi (Container Storage Interface) + represents ephemeral storage that is handled + by certain external CSI drivers. + properties: + driver: + description: |- + driver is the name of the CSI driver that handles this volume. + Consult with your admin for the correct name as registered in the cluster. + type: string + fsType: + description: |- + fsType to mount. Ex. "ext4", "xfs", "ntfs". + If not provided, the empty value is passed to the associated CSI driver + which will determine the default filesystem to apply. + type: string + nodePublishSecretRef: + description: |- + nodePublishSecretRef is a reference to the secret object containing + sensitive information to pass to the CSI driver to complete the CSI + NodePublishVolume and NodeUnpublishVolume calls. + This field is optional, and may be empty if no secret is required. If the + secret object contains more than one secret, all secret references are passed. + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + type: object + x-kubernetes-map-type: atomic + readOnly: + description: |- + readOnly specifies a read-only configuration for the volume. + Defaults to false (read/write). + type: boolean + volumeAttributes: + additionalProperties: + type: string + description: |- + volumeAttributes stores driver-specific properties that are passed to the CSI + driver. Consult your driver's documentation for supported values. + type: object + required: + - driver + type: object + downwardAPI: + description: downwardAPI represents downward API + about the pod that should populate this volume + properties: + defaultMode: + description: |- + Optional: mode bits to use on created files by default. Must be a + Optional: mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + Defaults to 0644. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + items: + description: Items is a list of downward API + volume file + items: + description: DownwardAPIVolumeFile represents + information to create the file containing + the pod field + properties: + fieldRef: + description: 'Required: Selects a field + of the pod: only annotations, labels, + name, namespace and uid are supported.' + properties: + apiVersion: + description: Version of the schema + the FieldPath is written in terms + of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to + select in the specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + mode: + description: |- + Optional: mode bits used to set permissions on this file, must be an octal value + between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: 'Required: Path is the + relative path name of the file to + be created. Must not be absolute or + contain the ''..'' path. Must be utf-8 + encoded. The first item of the relative + path must not start with ''..''' + type: string + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, requests.cpu and requests.memory) are currently supported. + properties: + containerName: + description: 'Container name: required + for volumes, optional for env + vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output + format of the exposed resources, + defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource + to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + required: + - path + type: object + type: array + x-kubernetes-list-type: atomic + type: object + emptyDir: + description: |- + emptyDir represents a temporary directory that shares a pod's lifetime. + More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir + properties: + medium: + description: |- + medium represents what type of storage medium should back this directory. + The default is "" which means to use the node's default medium. + Must be an empty string (default) or Memory. + More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir + type: string + sizeLimit: + anyOf: + - type: integer + - type: string + description: |- + sizeLimit is the total amount of local storage required for this EmptyDir volume. + The size limit is also applicable for memory medium. + The maximum usage on memory medium EmptyDir would be the minimum value between + the SizeLimit specified here and the sum of memory limits of all containers in a pod. + The default is nil which means that the limit is undefined. + More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + type: object + ephemeral: + description: |- + ephemeral represents a volume that is handled by a cluster storage driver. + The volume's lifecycle is tied to the pod that defines it - it will be created before the pod starts, + and deleted when the pod is removed. + + Use this if: + a) the volume is only needed while the pod runs, + b) features of normal volumes like restoring from snapshot or capacity + tracking are needed, + c) the storage driver is specified through a storage class, and + d) the storage driver supports dynamic volume provisioning through + a PersistentVolumeClaim (see EphemeralVolumeSource for more + information on the connection between this volume type + and PersistentVolumeClaim). + + Use PersistentVolumeClaim or one of the vendor-specific + APIs for volumes that persist for longer than the lifecycle + of an individual pod. + + Use CSI for light-weight local ephemeral volumes if the CSI driver is meant to + be used that way - see the documentation of the driver for + more information. + + A pod can use both types of ephemeral volumes and + persistent volumes at the same time. + properties: + volumeClaimTemplate: + description: |- + Will be used to create a stand-alone PVC to provision the volume. + The pod in which this EphemeralVolumeSource is embedded will be the + owner of the PVC, i.e. the PVC will be deleted together with the + pod. The name of the PVC will be `-` where + `` is the name from the `PodSpec.Volumes` array + entry. Pod validation will reject the pod if the concatenated name + is not valid for a PVC (for example, too long). + + An existing PVC with that name that is not owned by the pod + will *not* be used for the pod to avoid using an unrelated + volume by mistake. Starting the pod is then blocked until + the unrelated PVC is removed. If such a pre-created PVC is + meant to be used by the pod, the PVC has to updated with an + owner reference to the pod once the pod exists. Normally + this should not be necessary, but it may be useful when + manually reconstructing a broken cluster. + + This field is read-only and no changes will be made by Kubernetes + to the PVC after it has been created. + + Required, must not be nil. + properties: + metadata: + description: |- + May contain labels and annotations that will be copied into the PVC + when creating it. No other fields are allowed and will be rejected during + validation. + properties: + annotations: + additionalProperties: + type: string + type: object + finalizers: + items: + type: string + type: array + labels: + additionalProperties: + type: string + type: object + name: + type: string + namespace: + type: string + type: object + spec: + description: |- + The specification for the PersistentVolumeClaim. The entire content is + copied unchanged into the PVC that gets created from this + template. The same fields as in a PersistentVolumeClaim + are also valid here. + properties: + accessModes: + description: |- + accessModes contains the desired access modes the volume should have. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes-1 + items: + type: string + type: array + x-kubernetes-list-type: atomic + dataSource: + description: |- + dataSource field can be used to specify either: + * An existing VolumeSnapshot object (snapshot.storage.k8s.io/VolumeSnapshot) + * An existing PVC (PersistentVolumeClaim) + If the provisioner or an external controller can support the specified data source, + it will create a new volume based on the contents of the specified data source. + When the AnyVolumeDataSource feature gate is enabled, dataSource contents will be copied to dataSourceRef, + and dataSourceRef contents will be copied to dataSource when dataSourceRef.namespace is not specified. + If the namespace is specified, then dataSourceRef will not be copied to dataSource. + properties: + apiGroup: + description: |- + APIGroup is the group for the resource being referenced. + If APIGroup is not specified, the specified Kind must be in the core API group. + For any other third-party types, APIGroup is required. + type: string + kind: + description: Kind is the type + of resource being referenced + type: string + name: + description: Name is the name + of resource being referenced + type: string + required: + - kind + - name + type: object + x-kubernetes-map-type: atomic + dataSourceRef: + description: |- + dataSourceRef specifies the object from which to populate the volume with data, if a non-empty + volume is desired. This may be any object from a non-empty API group (non + core object) or a PersistentVolumeClaim object. + When this field is specified, volume binding will only succeed if the type of + the specified object matches some installed volume populator or dynamic + provisioner. + This field will replace the functionality of the dataSource field and as such + if both fields are non-empty, they must have the same value. For backwards + compatibility, when namespace isn't specified in dataSourceRef, + both fields (dataSource and dataSourceRef) will be set to the same + value automatically if one of them is empty and the other is non-empty. + When namespace is specified in dataSourceRef, + dataSource isn't set to the same value and must be empty. + There are three important differences between dataSource and dataSourceRef: + * While dataSource only allows two specific types of objects, dataSourceRef + allows any non-core object, as well as PersistentVolumeClaim objects. + * While dataSource ignores disallowed values (dropping them), dataSourceRef + preserves all values, and generates an error if a disallowed value is + specified. + * While dataSource only allows local objects, dataSourceRef allows objects + in any namespaces. + (Beta) Using this field requires the AnyVolumeDataSource feature gate to be enabled. + (Alpha) Using the namespace field of dataSourceRef requires the CrossNamespaceVolumeDataSource feature gate to be enabled. + properties: + apiGroup: + description: |- + APIGroup is the group for the resource being referenced. + If APIGroup is not specified, the specified Kind must be in the core API group. + For any other third-party types, APIGroup is required. + type: string + kind: + description: Kind is the type + of resource being referenced + type: string + name: + description: Name is the name + of resource being referenced + type: string + namespace: + description: |- + Namespace is the namespace of resource being referenced + Note that when a namespace is specified, a gateway.networking.k8s.io/ReferenceGrant object is required in the referent namespace to allow that namespace's owner to accept the reference. See the ReferenceGrant documentation for details. + (Alpha) This field requires the CrossNamespaceVolumeDataSource feature gate to be enabled. + type: string + required: + - kind + - name + type: object + resources: + description: |- + resources represents the minimum resources the volume should have. + Users are allowed to specify resource requirements + that are lower than previous value but must still be higher than capacity recorded in the + status field of the claim. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#resources + properties: + limits: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Limits describes the maximum amount of compute resources allowed. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + requests: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + Requests describes the minimum amount of compute resources required. + If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, + otherwise to an implementation-defined value. Requests cannot exceed Limits. + More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ + type: object + type: object + selector: + description: selector is a label query + over volumes to consider for binding. + properties: + matchExpressions: + description: matchExpressions + is a list of label selector + requirements. The requirements + are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the + label key that the selector + applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + storageClassName: + description: |- + storageClassName is the name of the StorageClass required by the claim. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1 + type: string + volumeAttributesClassName: + description: |- + volumeAttributesClassName may be used to set the VolumeAttributesClass used by this claim. + If specified, the CSI driver will create or update the volume with the attributes defined + in the corresponding VolumeAttributesClass. This has a different purpose than storageClassName, + it can be changed after the claim is created. An empty string or nil value indicates that no + VolumeAttributesClass will be applied to the claim. If the claim enters an Infeasible error state, + this field can be reset to its previous value (including nil) to cancel the modification. + If the resource referred to by volumeAttributesClass does not exist, this PersistentVolumeClaim will be + set to a Pending state, as reflected by the modifyVolumeStatus field, until such as a resource + exists. + More info: https://kubernetes.io/docs/concepts/storage/volume-attributes-classes/ + type: string + volumeMode: + description: |- + volumeMode defines what type of volume is required by the claim. + Value of Filesystem is implied when not included in claim spec. + type: string + volumeName: + description: volumeName is the binding + reference to the PersistentVolume + backing this claim. + type: string + type: object + required: + - spec + type: object + type: object + fc: + description: fc represents a Fibre Channel resource + that is attached to a kubelet's host machine + and then exposed to the pod. + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + lun: + description: 'lun is Optional: FC target lun + number' + format: int32 + type: integer + readOnly: + description: |- + readOnly is Optional: Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + targetWWNs: + description: 'targetWWNs is Optional: FC target + worldwide names (WWNs)' + items: + type: string + type: array + x-kubernetes-list-type: atomic + wwids: + description: |- + wwids Optional: FC volume world wide identifiers (wwids) + Either wwids or combination of targetWWNs and lun must be set, but not both simultaneously. + items: + type: string + type: array + x-kubernetes-list-type: atomic + type: object + flexVolume: + description: |- + flexVolume represents a generic volume resource that is + provisioned/attached using an exec based plugin. + Deprecated: FlexVolume is deprecated. Consider using a CSIDriver instead. + properties: + driver: + description: driver is the name of the driver + to use for this volume. + type: string + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". The default filesystem depends on FlexVolume script. + type: string + options: + additionalProperties: + type: string + description: 'options is Optional: this field + holds extra command options if any.' + type: object + readOnly: + description: |- + readOnly is Optional: defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretRef: + description: |- + secretRef is Optional: secretRef is reference to the secret object containing + sensitive information to pass to the plugin scripts. This may be + empty if no secret object is specified. If the secret object + contains more than one secret, all secrets are passed to the plugin + scripts. + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + type: object + x-kubernetes-map-type: atomic + required: + - driver + type: object + flocker: + description: |- + flocker represents a Flocker volume attached to a kubelet's host machine. This depends on the Flocker control service being running. + Deprecated: Flocker is deprecated and the in-tree flocker type is no longer supported. + properties: + datasetName: + description: |- + datasetName is Name of the dataset stored as metadata -> name on the dataset for Flocker + should be considered as deprecated + type: string + datasetUUID: + description: datasetUUID is the UUID of the + dataset. This is unique identifier of a + Flocker dataset + type: string + type: object + gcePersistentDisk: + description: |- + gcePersistentDisk represents a GCE Disk resource that is attached to a + kubelet's host machine and then exposed to the pod. + Deprecated: GCEPersistentDisk is deprecated. All operations for the in-tree + gcePersistentDisk type are redirected to the pd.csi.storage.gke.io CSI driver. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + properties: + fsType: + description: |- + fsType is filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + type: string + partition: + description: |- + partition is the partition in the volume that you want to mount. + If omitted, the default is to mount by volume name. + Examples: For volume /dev/sda1, you specify the partition as "1". + Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty). + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + format: int32 + type: integer + pdName: + description: |- + pdName is unique name of the PD resource in GCE. Used to identify the disk in GCE. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + type: string + readOnly: + description: |- + readOnly here will force the ReadOnly setting in VolumeMounts. + Defaults to false. + More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk + type: boolean + required: + - pdName + type: object + gitRepo: + description: |- + gitRepo represents a git repository at a particular revision. + Deprecated: GitRepo is deprecated. To provision a container with a git repo, mount an + EmptyDir into an InitContainer that clones the repo using git, then mount the EmptyDir + into the Pod's container. + properties: + directory: + description: |- + directory is the target directory name. + Must not contain or start with '..'. If '.' is supplied, the volume directory will be the + git repository. Otherwise, if specified, the volume will contain the git repository in + the subdirectory with the given name. + type: string + repository: + description: repository is the URL + type: string + revision: + description: revision is the commit hash for + the specified revision. + type: string + required: + - repository + type: object + glusterfs: + description: |- + glusterfs represents a Glusterfs mount on the host that shares a pod's lifetime. + Deprecated: Glusterfs is deprecated and the in-tree glusterfs type is no longer supported. + properties: + endpoints: + description: endpoints is the endpoint name + that details Glusterfs topology. + type: string + path: + description: |- + path is the Glusterfs volume path. + More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod + type: string + readOnly: + description: |- + readOnly here will force the Glusterfs volume to be mounted with read-only permissions. + Defaults to false. + More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod + type: boolean + required: + - endpoints + - path + type: object + hostPath: + description: |- + hostPath represents a pre-existing file or directory on the host + machine that is directly exposed to the container. This is generally + used for system agents or other privileged things that are allowed + to see the host machine. Most containers will NOT need this. + More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath + properties: + path: + description: |- + path of the directory on the host. + If the path is a symlink, it will follow the link to the real path. + More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath + type: string + type: + description: |- + type for HostPath Volume + Defaults to "" + More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath + type: string + required: + - path + type: object + image: + description: |- + image represents an OCI object (a container image or artifact) pulled and mounted on the kubelet's host machine. + The volume is resolved at pod startup depending on which PullPolicy value is provided: + + - Always: the kubelet always attempts to pull the reference. Container creation will fail If the pull fails. + - Never: the kubelet never pulls the reference and only uses a local image or artifact. Container creation will fail if the reference isn't present. + - IfNotPresent: the kubelet pulls if the reference isn't already present on disk. Container creation will fail if the reference isn't present and the pull fails. + + The volume gets re-resolved if the pod gets deleted and recreated, which means that new remote content will become available on pod recreation. + A failure to resolve or pull the image during pod startup will block containers from starting and may add significant latency. Failures will be retried using normal volume backoff and will be reported on the pod reason and message. + The types of objects that may be mounted by this volume are defined by the container runtime implementation on a host machine and at minimum must include all valid types supported by the container image field. + The OCI object gets mounted in a single directory (spec.containers[*].volumeMounts.mountPath) by merging the manifest layers in the same way as for container images. + The volume will be mounted read-only (ro) and non-executable files (noexec). + Sub path mounts for containers are not supported (spec.containers[*].volumeMounts.subpath) before 1.33. + The field spec.securityContext.fsGroupChangePolicy has no effect on this volume type. + properties: + pullPolicy: + description: |- + Policy for pulling OCI objects. Possible values are: + Always: the kubelet always attempts to pull the reference. Container creation will fail If the pull fails. + Never: the kubelet never pulls the reference and only uses a local image or artifact. Container creation will fail if the reference isn't present. + IfNotPresent: the kubelet pulls if the reference isn't already present on disk. Container creation will fail if the reference isn't present and the pull fails. + Defaults to Always if :latest tag is specified, or IfNotPresent otherwise. + type: string + reference: + description: |- + Required: Image or artifact reference to be used. + Behaves in the same way as pod.spec.containers[*].image. + Pull secrets will be assembled in the same way as for the container image by looking up node credentials, SA image pull secrets, and pod spec image pull secrets. + More info: https://kubernetes.io/docs/concepts/containers/images + This field is optional to allow higher level config management to default or override + container images in workload controllers like Deployments and StatefulSets. + type: string + type: object + iscsi: + description: |- + iscsi represents an ISCSI Disk resource that is attached to a + kubelet's host machine and then exposed to the pod. + More info: https://kubernetes.io/docs/concepts/storage/volumes/#iscsi + properties: + chapAuthDiscovery: + description: chapAuthDiscovery defines whether + support iSCSI Discovery CHAP authentication + type: boolean + chapAuthSession: + description: chapAuthSession defines whether + support iSCSI Session CHAP authentication + type: boolean + fsType: + description: |- + fsType is the filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#iscsi + type: string + initiatorName: + description: |- + initiatorName is the custom iSCSI Initiator Name. + If initiatorName is specified with iscsiInterface simultaneously, new iSCSI interface + : will be created for the connection. + type: string + iqn: + description: iqn is the target iSCSI Qualified + Name. + type: string + iscsiInterface: + default: default + description: |- + iscsiInterface is the interface Name that uses an iSCSI transport. + Defaults to 'default' (tcp). + type: string + lun: + description: lun represents iSCSI Target Lun + number. + format: int32 + type: integer + portals: + description: |- + portals is the iSCSI Target Portal List. The portal is either an IP or ip_addr:port if the port + is other than default (typically TCP ports 860 and 3260). + items: + type: string + type: array + x-kubernetes-list-type: atomic + readOnly: + description: |- + readOnly here will force the ReadOnly setting in VolumeMounts. + Defaults to false. + type: boolean + secretRef: + description: secretRef is the CHAP Secret + for iSCSI target and initiator authentication + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + type: object + x-kubernetes-map-type: atomic + targetPortal: + description: |- + targetPortal is iSCSI Target Portal. The Portal is either an IP or ip_addr:port if the port + is other than default (typically TCP ports 860 and 3260). + type: string + required: + - iqn + - lun + - targetPortal + type: object + name: + description: |- + name of the volume. + Must be a DNS_LABEL and unique within the pod. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + nfs: + description: |- + nfs represents an NFS mount on the host that shares a pod's lifetime + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + properties: + path: + description: |- + path that is exported by the NFS server. + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + type: string + readOnly: + description: |- + readOnly here will force the NFS export to be mounted with read-only permissions. + Defaults to false. + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + type: boolean + server: + description: |- + server is the hostname or IP address of the NFS server. + More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs + type: string + required: + - path + - server + type: object + persistentVolumeClaim: + description: |- + persistentVolumeClaimVolumeSource represents a reference to a + PersistentVolumeClaim in the same namespace. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims + properties: + claimName: + description: |- + claimName is the name of a PersistentVolumeClaim in the same namespace as the pod using this volume. + More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims + type: string + readOnly: + description: |- + readOnly Will force the ReadOnly setting in VolumeMounts. + Default false. + type: boolean + required: + - claimName + type: object + photonPersistentDisk: + description: |- + photonPersistentDisk represents a PhotonController persistent disk attached and mounted on kubelets host machine. + Deprecated: PhotonPersistentDisk is deprecated and the in-tree photonPersistentDisk type is no longer supported. + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + pdID: + description: pdID is the ID that identifies + Photon Controller persistent disk + type: string + required: + - pdID + type: object + portworxVolume: + description: |- + portworxVolume represents a portworx volume attached and mounted on kubelets host machine. + Deprecated: PortworxVolume is deprecated. All operations for the in-tree portworxVolume type + are redirected to the pxd.portworx.com CSI driver when the CSIMigrationPortworx feature-gate + is on. + properties: + fsType: + description: |- + fSType represents the filesystem type to mount + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs". Implicitly inferred to be "ext4" if unspecified. + type: string + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + volumeID: + description: volumeID uniquely identifies + a Portworx volume + type: string + required: + - volumeID + type: object + projected: + description: projected items for all in one resources + secrets, configmaps, and downward API + properties: + defaultMode: + description: |- + defaultMode are the mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + sources: + description: |- + sources is the list of volume projections. Each entry in this list + handles one source. + items: + description: |- + Projection that may be projected along with other supported volume types. + Exactly one of these fields must be set. + properties: + clusterTrustBundle: + description: |- + ClusterTrustBundle allows a pod to access the `.spec.trustBundle` field + of ClusterTrustBundle objects in an auto-updating file. + + Alpha, gated by the ClusterTrustBundleProjection feature gate. + + ClusterTrustBundle objects can either be selected by name, or by the + combination of signer name and a label selector. + + Kubelet performs aggressive normalization of the PEM contents written + into the pod filesystem. Esoteric PEM features such as inter-block + comments and block headers are stripped. Certificates are deduplicated. + The ordering of certificates within the file is arbitrary, and Kubelet + may change the order over time. + properties: + labelSelector: + description: |- + Select all ClusterTrustBundles that match this label selector. Only has + effect if signerName is set. Mutually-exclusive with name. If unset, + interpreted as "match nothing". If set but empty, interpreted as "match + everything". + properties: + matchExpressions: + description: matchExpressions + is a list of label selector + requirements. The requirements + are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the + label key that the selector + applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + name: + description: |- + Select a single ClusterTrustBundle by object name. Mutually-exclusive + with signerName and labelSelector. + type: string + optional: + description: |- + If true, don't block pod startup if the referenced ClusterTrustBundle(s) + aren't available. If using name, then the named ClusterTrustBundle is + allowed not to exist. If using signerName, then the combination of + signerName and labelSelector is allowed to match zero + ClusterTrustBundles. + type: boolean + path: + description: Relative path from + the volume root to write the bundle. + type: string + signerName: + description: |- + Select all ClusterTrustBundles that match this signer name. + Mutually-exclusive with name. The contents of all selected + ClusterTrustBundles will be unified and deduplicated. + type: string + required: + - path + type: object + configMap: + description: configMap information about + the configMap data to project + properties: + items: + description: |- + items if unspecified, each key-value pair in the Data field of the referenced + ConfigMap will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the ConfigMap, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key + to a path within a volume. + properties: + key: + description: key is the key + to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + x-kubernetes-list-type: atomic + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: optional specify whether + the ConfigMap or its keys must + be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + downwardAPI: + description: downwardAPI information + about the downwardAPI data to project + properties: + items: + description: Items is a list of + DownwardAPIVolume file + items: + description: DownwardAPIVolumeFile + represents information to create + the file containing the pod + field + properties: + fieldRef: + description: 'Required: Selects + a field of the pod: only + annotations, labels, name, + namespace and uid are supported.' + properties: + apiVersion: + description: Version of + the schema the FieldPath + is written in terms + of, defaults to "v1". + type: string + fieldPath: + description: Path of the + field to select in the + specified API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + mode: + description: |- + Optional: mode bits used to set permissions on this file, must be an octal value + between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: 'Required: Path + is the relative path name + of the file to be created. + Must not be absolute or + contain the ''..'' path. + Must be utf-8 encoded. The + first item of the relative + path must not start with + ''..''' + type: string + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, requests.cpu and requests.memory) are currently supported. + properties: + containerName: + description: 'Container + name: required for volumes, + optional for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies + the output format of + the exposed resources, + defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: + resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + required: + - path + type: object + type: array + x-kubernetes-list-type: atomic + type: object + podCertificate: + description: |- + Projects an auto-rotating credential bundle (private key and certificate + chain) that the pod can use either as a TLS client or server. + + Kubelet generates a private key and uses it to send a + PodCertificateRequest to the named signer. Once the signer approves the + request and issues a certificate chain, Kubelet writes the key and + certificate chain to the pod filesystem. The pod does not start until + certificates have been issued for each podCertificate projected volume + source in its spec. + + Kubelet will begin trying to rotate the certificate at the time indicated + by the signer using the PodCertificateRequest.Status.BeginRefreshAt + timestamp. + + Kubelet can write a single file, indicated by the credentialBundlePath + field, or separate files, indicated by the keyPath and + certificateChainPath fields. + + The credential bundle is a single file in PEM format. The first PEM + entry is the private key (in PKCS#8 format), and the remaining PEM + entries are the certificate chain issued by the signer (typically, + signers will return their certificate chain in leaf-to-root order). + + Prefer using the credential bundle format, since your application code + can read it atomically. If you use keyPath and certificateChainPath, + your application must make two separate file reads. If these coincide + with a certificate rotation, it is possible that the private key and leaf + certificate you read may not correspond to each other. Your application + will need to check for this condition, and re-read until they are + consistent. + + The named signer controls chooses the format of the certificate it + issues; consult the signer implementation's documentation to learn how to + use the certificates it issues. + properties: + certificateChainPath: + description: |- + Write the certificate chain at this path in the projected volume. + + Most applications should use credentialBundlePath. When using keyPath + and certificateChainPath, your application needs to check that the key + and leaf certificate are consistent, because it is possible to read the + files mid-rotation. + type: string + credentialBundlePath: + description: |- + Write the credential bundle at this path in the projected volume. + + The credential bundle is a single file that contains multiple PEM blocks. + The first PEM block is a PRIVATE KEY block, containing a PKCS#8 private + key. + + The remaining blocks are CERTIFICATE blocks, containing the issued + certificate chain from the signer (leaf and any intermediates). + + Using credentialBundlePath lets your Pod's application code make a single + atomic read that retrieves a consistent key and certificate chain. If you + project them to separate files, your application code will need to + additionally check that the leaf certificate was issued to the key. + type: string + keyPath: + description: |- + Write the key at this path in the projected volume. + + Most applications should use credentialBundlePath. When using keyPath + and certificateChainPath, your application needs to check that the key + and leaf certificate are consistent, because it is possible to read the + files mid-rotation. + type: string + keyType: + description: |- + The type of keypair Kubelet will generate for the pod. + + Valid values are "RSA3072", "RSA4096", "ECDSAP256", "ECDSAP384", + "ECDSAP521", and "ED25519". + type: string + maxExpirationSeconds: + description: |- + maxExpirationSeconds is the maximum lifetime permitted for the + certificate. + + Kubelet copies this value verbatim into the PodCertificateRequests it + generates for this projection. + + If omitted, kube-apiserver will set it to 86400(24 hours). kube-apiserver + will reject values shorter than 3600 (1 hour). The maximum allowable + value is 7862400 (91 days). + + The signer implementation is then free to issue a certificate with any + lifetime *shorter* than MaxExpirationSeconds, but no shorter than 3600 + seconds (1 hour). This constraint is enforced by kube-apiserver. + `kubernetes.io` signers will never issue certificates with a lifetime + longer than 24 hours. + format: int32 + type: integer + signerName: + description: Kubelet's generated + CSRs will be addressed to this + signer. + type: string + userAnnotations: + additionalProperties: + type: string + description: |- + userAnnotations allow pod authors to pass additional information to + the signer implementation. Kubernetes does not restrict or validate this + metadata in any way. + + These values are copied verbatim into the `spec.unverifiedUserAnnotations` field of + the PodCertificateRequest objects that Kubelet creates. + + Entries are subject to the same validation as object metadata annotations, + with the addition that all keys must be domain-prefixed. No restrictions + are placed on values, except an overall size limitation on the entire field. + + Signers should document the keys and values they support. Signers should + deny requests that contain keys they do not recognize. + type: object + required: + - keyType + - signerName + type: object + secret: + description: secret information about + the secret data to project + properties: + items: + description: |- + items if unspecified, each key-value pair in the Data field of the referenced + Secret will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the Secret, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key + to a path within a volume. + properties: + key: + description: key is the key + to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + x-kubernetes-list-type: atomic + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: optional field specify + whether the Secret or its key + must be defined + type: boolean + type: object + x-kubernetes-map-type: atomic + serviceAccountToken: + description: serviceAccountToken is + information about the serviceAccountToken + data to project + properties: + audience: + description: |- + audience is the intended audience of the token. A recipient of a token + must identify itself with an identifier specified in the audience of the + token, and otherwise should reject the token. The audience defaults to the + identifier of the apiserver. + type: string + expirationSeconds: + description: |- + expirationSeconds is the requested duration of validity of the service + account token. As the token approaches expiration, the kubelet volume + plugin will proactively rotate the service account token. The kubelet will + start trying to rotate the token if the token is older than 80 percent of + its time to live or if the token is older than 24 hours.Defaults to 1 hour + and must be at least 10 minutes. + format: int64 + type: integer + path: + description: |- + path is the path relative to the mount point of the file to project the + token into. + type: string + required: + - path + type: object + type: object + type: array + x-kubernetes-list-type: atomic + type: object + quobyte: + description: |- + quobyte represents a Quobyte mount on the host that shares a pod's lifetime. + Deprecated: Quobyte is deprecated and the in-tree quobyte type is no longer supported. + properties: + group: + description: |- + group to map volume access to + Default is no group + type: string + readOnly: + description: |- + readOnly here will force the Quobyte volume to be mounted with read-only permissions. + Defaults to false. + type: boolean + registry: + description: |- + registry represents a single or multiple Quobyte Registry services + specified as a string as host:port pair (multiple entries are separated with commas) + which acts as the central registry for volumes + type: string + tenant: + description: |- + tenant owning the given Quobyte volume in the Backend + Used with dynamically provisioned Quobyte volumes, value is set by the plugin + type: string + user: + description: |- + user to map volume access to + Defaults to serivceaccount user + type: string + volume: + description: volume is a string that references + an already created Quobyte volume by name. + type: string + required: + - registry + - volume + type: object + rbd: + description: |- + rbd represents a Rados Block Device mount on the host that shares a pod's lifetime. + Deprecated: RBD is deprecated and the in-tree rbd type is no longer supported. + properties: + fsType: + description: |- + fsType is the filesystem type of the volume that you want to mount. + Tip: Ensure that the filesystem type is supported by the host operating system. + Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + More info: https://kubernetes.io/docs/concepts/storage/volumes#rbd + type: string + image: + description: |- + image is the rados image name. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + keyring: + default: /etc/ceph/keyring + description: |- + keyring is the path to key ring for RBDUser. + Default is /etc/ceph/keyring. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + monitors: + description: |- + monitors is a collection of Ceph monitors. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + items: + type: string + type: array + x-kubernetes-list-type: atomic + pool: + default: rbd + description: |- + pool is the rados pool name. + Default is rbd. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + readOnly: + description: |- + readOnly here will force the ReadOnly setting in VolumeMounts. + Defaults to false. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: boolean + secretRef: + description: |- + secretRef is name of the authentication secret for RBDUser. If provided + overrides keyring. + Default is nil. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + type: object + x-kubernetes-map-type: atomic + user: + default: admin + description: |- + user is the rados user name. + Default is admin. + More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it + type: string + required: + - image + - monitors + type: object + scaleIO: + description: |- + scaleIO represents a ScaleIO persistent volume attached and mounted on Kubernetes nodes. + Deprecated: ScaleIO is deprecated and the in-tree scaleIO type is no longer supported. + properties: + fsType: + default: xfs + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". + Default is "xfs". + type: string + gateway: + description: gateway is the host address of + the ScaleIO API Gateway. + type: string + protectionDomain: + description: protectionDomain is the name + of the ScaleIO Protection Domain for the + configured storage. + type: string + readOnly: + description: |- + readOnly Defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretRef: + description: |- + secretRef references to the secret for ScaleIO user and other + sensitive information. If this is not provided, Login operation will fail. + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + type: object + x-kubernetes-map-type: atomic + sslEnabled: + description: sslEnabled Flag enable/disable + SSL communication with Gateway, default + false + type: boolean + storageMode: + default: ThinProvisioned + description: |- + storageMode indicates whether the storage for a volume should be ThickProvisioned or ThinProvisioned. + Default is ThinProvisioned. + type: string + storagePool: + description: storagePool is the ScaleIO Storage + Pool associated with the protection domain. + type: string + system: + description: system is the name of the storage + system as configured in ScaleIO. + type: string + volumeName: + description: |- + volumeName is the name of a volume already created in the ScaleIO system + that is associated with this volume source. + type: string + required: + - gateway + - secretRef + - system + type: object + secret: + description: |- + secret represents a secret that should populate this volume. + More info: https://kubernetes.io/docs/concepts/storage/volumes#secret + properties: + defaultMode: + description: |- + defaultMode is Optional: mode bits used to set permissions on created files by default. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values + for mode bits. Defaults to 0644. + Directories within the path are not affected by this setting. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + items: + description: |- + items If unspecified, each key-value pair in the Data field of the referenced + Secret will be projected into the volume as a file whose name is the + key and content is the value. If specified, the listed keys will be + projected into the specified paths, and unlisted keys will not be + present. If a key is specified which is not present in the Secret, + the volume setup will error unless it is marked optional. Paths must be + relative and may not contain the '..' path or start with '..'. + items: + description: Maps a string key to a path + within a volume. + properties: + key: + description: key is the key to project. + type: string + mode: + description: |- + mode is Optional: mode bits used to set permissions on this file. + Must be an octal value between 0000 and 0777 or a decimal value between 0 and 511. + YAML accepts both octal and decimal values, JSON requires decimal values for mode bits. + If not specified, the volume defaultMode will be used. + This might be in conflict with other options that affect the file + mode, like fsGroup, and the result can be other mode bits set. + format: int32 + type: integer + path: + description: |- + path is the relative path of the file to map the key to. + May not be an absolute path. + May not contain the path element '..'. + May not start with the string '..'. + type: string + required: + - key + - path + type: object + type: array + x-kubernetes-list-type: atomic + optional: + description: optional field specify whether + the Secret or its keys must be defined + type: boolean + secretName: + description: |- + secretName is the name of the secret in the pod's namespace to use. + More info: https://kubernetes.io/docs/concepts/storage/volumes#secret + type: string + type: object + storageos: + description: |- + storageOS represents a StorageOS volume attached and mounted on Kubernetes nodes. + Deprecated: StorageOS is deprecated and the in-tree storageos type is no longer supported. + properties: + fsType: + description: |- + fsType is the filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + readOnly: + description: |- + readOnly defaults to false (read/write). ReadOnly here will force + the ReadOnly setting in VolumeMounts. + type: boolean + secretRef: + description: |- + secretRef specifies the secret to use for obtaining the StorageOS API + credentials. If not specified, default values will be attempted. + properties: + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + type: object + x-kubernetes-map-type: atomic + volumeName: + description: |- + volumeName is the human-readable name of the StorageOS volume. Volume + names are only unique within a namespace. + type: string + volumeNamespace: + description: |- + volumeNamespace specifies the scope of the volume within StorageOS. If no + namespace is specified then the Pod's namespace will be used. This allows the + Kubernetes name scoping to be mirrored within StorageOS for tighter integration. + Set VolumeName to any name to override the default behaviour. + Set to "default" if you are not using namespaces within StorageOS. + Namespaces that do not pre-exist within StorageOS will be created. + type: string + type: object + vsphereVolume: + description: |- + vsphereVolume represents a vSphere volume attached and mounted on kubelets host machine. + Deprecated: VsphereVolume is deprecated. All operations for the in-tree vsphereVolume type + are redirected to the csi.vsphere.vmware.com CSI driver. + properties: + fsType: + description: |- + fsType is filesystem type to mount. + Must be a filesystem type supported by the host operating system. + Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified. + type: string + storagePolicyID: + description: storagePolicyID is the storage + Policy Based Management (SPBM) profile ID + associated with the StoragePolicyName. + type: string + storagePolicyName: + description: storagePolicyName is the storage + Policy Based Management (SPBM) profile name. + type: string + volumePath: + description: volumePath is the path that identifies + vSphere volume vmdk + type: string + required: + - volumePath + type: object + required: + - name + type: object + type: array + x-kubernetes-list-map-keys: + - name + x-kubernetes-list-type: map + workloadRef: + description: |- + WorkloadRef provides a reference to the Workload object that this Pod belongs to. + This field is used by the scheduler to identify the PodGroup and apply the + correct group scheduling policies. The Workload object referenced + by this field may not exist at the time the Pod is created. + This field is immutable, but a Workload object with the same name + may be recreated with different policies. Doing this during pod scheduling + may result in the placement not conforming to the expected policies. + properties: + name: + description: |- + Name defines the name of the Workload object this Pod belongs to. + Workload must be in the same namespace as the Pod. + If it doesn't match any existing Workload, the Pod will remain unschedulable + until a Workload object is created and observed by the kube-scheduler. + It must be a DNS subdomain. + type: string + podGroup: + description: |- + PodGroup is the name of the PodGroup within the Workload that this Pod + belongs to. If it doesn't match any existing PodGroup within the Workload, + the Pod will remain unschedulable until the Workload object is recreated + and observed by the kube-scheduler. It must be a DNS label. + type: string + podGroupReplicaKey: + description: |- + PodGroupReplicaKey specifies the replica key of the PodGroup to which this + Pod belongs. It is used to distinguish pods belonging to different replicas + of the same pod group. The pod group policy is applied separately to each replica. + When set, it must be a DNS label. + type: string + required: + - name + - podGroup + type: object + required: + - containers + type: object + type: object + type: object + description: |- + MPIReplicaSpecs contains maps from `MPIReplicaType` to `ReplicaSpec` that + specify the MPI replicas to run. + type: object + runLauncherAsWorker: + default: false + description: |- + RunLauncherAsWorker indicates whether to run worker process in launcher + Defaults to false. + type: boolean + runPolicy: + description: RunPolicy encapsulates various runtime policies of the + job. + properties: + activeDeadlineSeconds: + description: |- + Specifies the duration in seconds relative to the startTime that the job may be active + before the system tries to terminate it; value must be positive integer. + format: int64 + type: integer + backoffLimit: + description: Optional number of retries before marking this job + failed. + format: int32 + type: integer + cleanPodPolicy: + description: |- + CleanPodPolicy defines the policy to kill pods after the job completes. + Default to Running. + type: string + managedBy: + description: |- + ManagedBy is used to indicate the controller or entity that manages a MPIJob. + The value must be either empty, 'kubeflow.org/mpi-operator' or + 'kueue.x-k8s.io/multikueue'. + The mpi-operator reconciles a MPIJob which doesn't have this + field at all or the field value is the reserved string + 'kubeflow.org/mpi-operator', but delegates reconciling the MPIJob + with 'kueue.x-k8s.io/multikueue' to the Kueue. + The field is immutable. + type: string + schedulingPolicy: + description: SchedulingPolicy defines the policy related to scheduling, + e.g. gang-scheduling + properties: + minAvailable: + description: |- + MinAvailable defines the minimal number of member to run the PodGroup. + If the gang-scheduling isn't empty, input is passed to `.spec.minMember` in PodGroup. + Note that, when using this field, + you need to make sure the application supports resizing (e.g., Elastic Horovod). + + If not set, it defaults to the number of workers. + format: int32 + type: integer + minResources: + additionalProperties: + anyOf: + - type: integer + - type: string + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + description: |- + MinResources defines the minimal resources of members to run the PodGroup. + If the gang-scheduling isn't empty, + input is passed to `.spec.minResources` in PodGroup for scheduler-plugins. + type: object + priorityClass: + description: |- + PriorityClass defines the PodGroup's PriorityClass. + If the gang-scheduling is set to the volcano, + input is passed to `.spec.priorityClassName` in PodGroup for volcano, + and if it is set to the scheduler-plugins, + input isn't passed to PodGroup for scheduler-plugins. + type: string + queue: + description: |- + Queue defines the queue name to allocate resource for PodGroup. + If the gang-scheduling is set to the volcano, + input is passed to `.spec.queue` in PodGroup for the volcano, + and if it is set to the scheduler-plugins, + input isn't passed to PodGroup. + type: string + scheduleTimeoutSeconds: + description: |- + SchedulerTimeoutSeconds defines the maximal time of members to wait before run the PodGroup. + If the gang-scheduling is set to the scheduler-plugins, + input is passed to `.spec.scheduleTimeoutSeconds` in PodGroup for the scheduler-plugins, + and if it is set to the volcano, input isn't passed to PodGroup. + format: int32 + type: integer + type: object + suspend: + default: false + description: |- + suspend specifies whether the MPIJob controller should create Pods or not. + If a MPIJob is created with suspend set to true, no Pods are created by + the MPIJob controller. If a MPIJob is suspended after creation (i.e. the + flag goes from false to true), the MPIJob controller will delete all + active Pods and PodGroups associated with this MPIJob. Also, it will suspend the + Launcher Job. Users must design their workload to gracefully handle this. + Suspending a Job will reset the StartTime field of the MPIJob. + + Defaults to false. + type: boolean + ttlSecondsAfterFinished: + description: |- + TTLSecondsAfterFinished is the TTL to clean up jobs. + It may take extra ReconcilePeriod seconds for the cleanup, since + reconcile gets called periodically. + Default to infinite. + format: int32 + type: integer + type: object + slotsPerWorker: + default: 1 + description: |- + Specifies the number of slots per worker used in hostfile. + Defaults to 1. + format: int32 + type: integer + sshAuthMountPath: + default: /root/.ssh + description: |- + SSHAuthMountPath is the directory where SSH keys are mounted. + Defaults to "/root/.ssh". + type: string + required: + - mpiReplicaSpecs + type: object + status: + description: JobStatus represents the current observed state of the training + Job. + properties: + completionTime: + description: |- + Represents time when the job was completed. It is not guaranteed to + be set in happens-before order across separate operations. + It is represented in RFC3339 form and is in UTC. + format: date-time + type: string + conditions: + description: conditions is a list of current observed job conditions. + items: + description: JobCondition describes the state of the job at a certain + point. + properties: + lastTransitionTime: + description: Last time the condition transitioned from one status + to another. + format: date-time + type: string + lastUpdateTime: + description: The last time this condition was updated. + format: date-time + type: string + message: + description: A human-readable message indicating details about + the transition. + type: string + reason: + description: The reason for the condition's last transition. + type: string + status: + description: status of the condition, one of True, False, Unknown. + enum: + - "True" + - "False" + - Unknown + type: string + type: + description: type of job condition. + type: string + required: + - status + - type + type: object + type: array + x-kubernetes-list-map-keys: + - type + x-kubernetes-list-type: map + lastReconcileTime: + description: |- + Represents last time when the job was reconciled. It is not guaranteed to + be set in happens-before order across separate operations. + It is represented in RFC3339 form and is in UTC. + format: date-time + type: string + replicaStatuses: + additionalProperties: + description: ReplicaStatus represents the current observed state + of the replica. + properties: + active: + description: The number of actively running pods. + format: int32 + type: integer + failed: + description: The number of pods which reached phase failed. + format: int32 + type: integer + labelSelector: + description: 'Deprecated: Use selector instead' + properties: + matchExpressions: + description: matchExpressions is a list of label selector + requirements. The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the selector + applies to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. + type: object + type: object + x-kubernetes-map-type: atomic + selector: + description: |- + A selector is a label query over a set of resources. The result of matchLabels and + matchExpressions are ANDed. An empty selector matches all objects. A null + selector matches no objects. + type: string + succeeded: + description: The number of pods which reached phase succeeded. + format: int32 + type: integer + type: object + description: |- + replicaStatuses is map of ReplicaType and ReplicaStatus, + specifies the status of each replica. + type: object + startTime: + description: |- + Represents time when the job was acknowledged by the job controller. + It is not guaranteed to be set in happens-before order across separate operations. + It is represented in RFC3339 form and is in UTC. + format: date-time + type: string + type: object + type: object + served: true + storage: true + subresources: + status: {} +--- +apiVersion: v1 +kind: ServiceAccount +metadata: + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + name: mpi-operator + namespace: mpi-operator +--- +aggregationRule: + clusterRoleSelectors: + - matchLabels: + rbac.authorization.kubeflow.org/aggregate-to-kubeflow-mpijobs-admin: "true" +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + rbac.authorization.kubeflow.org/aggregate-to-kubeflow-admin: "true" + name: kubeflow-mpijobs-admin +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + rbac.authorization.kubeflow.org/aggregate-to-kubeflow-edit: "true" + rbac.authorization.kubeflow.org/aggregate-to-kubeflow-mpijobs-admin: "true" + name: kubeflow-mpijobs-edit +rules: +- apiGroups: + - kubeflow.org + resources: + - mpijobs + - mpijobs/status + verbs: + - get + - list + - watch + - create + - delete + - deletecollection + - patch + - update +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + rbac.authorization.kubeflow.org/aggregate-to-kubeflow-view: "true" + name: kubeflow-mpijobs-view +rules: +- apiGroups: + - kubeflow.org + resources: + - mpijobs + - mpijobs/status + verbs: + - get + - list + - watch +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + name: mpi-operator +rules: +- apiGroups: + - "" + resources: + - configmaps + - secrets + - services + verbs: + - create + - list + - watch + - update +- apiGroups: + - "" + resources: + - pods + verbs: + - create + - get + - list + - watch + - delete + - update + - patch +- apiGroups: + - "" + resources: + - pods/exec + verbs: + - create +- apiGroups: + - "" + resources: + - endpoints + verbs: + - create + - get + - update +- apiGroups: + - "" + resources: + - events + verbs: + - create + - patch +- apiGroups: + - batch + resources: + - jobs + verbs: + - create + - list + - update + - watch +- apiGroups: + - apiextensions.k8s.io + resources: + - customresourcedefinitions + verbs: + - create + - get +- apiGroups: + - kubeflow.org + resources: + - mpijobs + - mpijobs/finalizers + - mpijobs/status + verbs: + - '*' +- apiGroups: + - coordination.k8s.io + resources: + - leases + verbs: + - '*' +- apiGroups: + - scheduling.incubator.k8s.io + - scheduling.sigs.dev + - scheduling.volcano.sh + resources: + - queues + - podgroups + verbs: + - '*' +- apiGroups: + - scheduling.x-k8s.io + resources: + - podgroups + verbs: + - '*' +- apiGroups: + - scheduling.k8s.io + resources: + - priorityclasses + verbs: + - get + - list + - watch +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRoleBinding +metadata: + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + name: mpi-operator +roleRef: + apiGroup: rbac.authorization.k8s.io + kind: ClusterRole + name: mpi-operator +subjects: +- kind: ServiceAccount + name: mpi-operator + namespace: mpi-operator +--- +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + name: mpi-operator + namespace: mpi-operator +spec: + replicas: 1 + selector: + matchLabels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + template: + metadata: + annotations: + sidecar.istio.io/inject: "false" + labels: + app: mpi-operator + app.kubernetes.io/component: mpijob + app.kubernetes.io/name: mpi-operator + kustomize.component: mpi-operator + spec: + containers: + - args: + - -alsologtostderr + - --lock-namespace=mpi-operator + image: mpioperator/mpi-operator:0.8.2 + name: mpi-operator + serviceAccountName: mpi-operator diff --git a/docs/distributed_k8s.md b/docs/distributed_k8s.md new file mode 100644 index 00000000..aa9ec91f --- /dev/null +++ b/docs/distributed_k8s.md @@ -0,0 +1,76 @@ +# Distributed EasyGraph on Kubernetes + +The Python client is part of `Python-EasyGraph`. It launches an MPIJob and +communicates with the Worker engine; the client machine does not need MPI or a +container builder. Worker Pods use the matching public image +`ghcr.io/easy-graph/easygraph-distributed:1.6.4`. + +## Cluster prerequisites + +- A Kubernetes cluster with at least two schedulable Worker nodes and a + kubeconfig usable by the Python client. +- [Kubeflow MPI Operator](https://github.com/kubeflow/mpi-operator) installed. +- A ReadWriteMany PVC named `easygraph-data` in the `default` namespace, or + pass another namespace and PVC name to `eg.session`. +- Nodes able to pull the public Worker image from GHCR. The package must be + marked public in GitHub Packages before users start a Session. +- Permission for the client to create, read, and delete MPIJobs and Secrets, + and to read Pods and open a Pod port forward in the selected namespace. + +The shared PVC is mounted at `/shared` in every Worker Pod. Put the edge list +there before starting a Session. A client-side file path is not uploaded. + +## Client installation and use + +```bash +python3 -m pip install --upgrade Python-EasyGraph +``` + +```python +import easygraph as eg + +with eg.session(num_workers=2) as sess: + graph = sess.read_edgelist("/shared/graph.tsv", directed=True) + result = eg.pagerank(graph, alpha=0.85) + print(result.iterations) + result.write("/shared/pagerank-result") +``` + +The `Session` holds the loaded graph for repeated algorithm calls. It removes +its MPIJob and Secret when closed. The default Worker image version is pinned +to the matching Python release, and can be overridden with `image=`. + +For a cluster with dedicated compute nodes and a tainted control node, specify +placement and resources explicitly: + +```python +with eg.session( + namespace="benchmark", + pvc="benchmark-data-rwx", + num_workers=2, + worker_nodes=["eg-b", "eg-c"], + launcher_node="eg-a", + launcher_tolerations=[{ + "key": "node-role.kubernetes.io/control-plane", + "operator": "Exists", + "effect": "NoSchedule", + }], + threads_per_worker=16, + worker_memory="60Gi", +) as sess: + graph = sess.read_edgelist("/shared/graph.tsv", directed=True) + result = sess.pagerank(graph) +``` + +This release supports distributed PageRank. Large graph loading still needs +memory for parsed records and CSR construction on each Worker. Use `write()` +for large results because `to_dict()` gathers scores to the client. + +## Release order for maintainers + +Publish and make the matching GHCR image public first. Then release the +`Python-EasyGraph` wheel and source distribution. The image workflow is +`.github/workflows/distributed_image_publish.yml`; the existing wheel workflow +can publish from a version tag after the image is available. Verify the public +image digest and a fresh `pip install Python-EasyGraph==1.6.4` before announcing +the release. diff --git a/easygraph/__init__.py b/easygraph/__init__.py index af8bc3df..1d94c281 100644 --- a/easygraph/__init__.py +++ b/easygraph/__init__.py @@ -27,6 +27,8 @@ from easygraph.readwrite import * from easygraph.utils import * +from easygraph.distributed import Session, session + _warn_missing_torch() diff --git a/easygraph/distributed/__init__.py b/easygraph/distributed/__init__.py new file mode 100644 index 00000000..f69449ec --- /dev/null +++ b/easygraph/distributed/__init__.py @@ -0,0 +1,12 @@ + +from .context import Context +from .graph import DistributedDiGraph, DistributedGraph, read_edgelist +from .pagerank import pagerank +from .result import DistributedResult +from .session import RemoteGraph, RemoteResult, Session, SessionError, session + +__all__ = [ + "Context", "DistributedGraph", "DistributedDiGraph", "DistributedResult", + "read_edgelist", "pagerank", + "Session", "session", "SessionError", "RemoteGraph", "RemoteResult", +] diff --git a/easygraph/distributed/_kubernetes.py b/easygraph/distributed/_kubernetes.py new file mode 100644 index 00000000..81ec6d58 --- /dev/null +++ b/easygraph/distributed/_kubernetes.py @@ -0,0 +1,71 @@ + + +def resources(name, token, *, image, namespace, workers, slots, memory, + pvc, idle_timeout, node_selector, threads=1, worker_nodes=None, + launcher_node=None, launcher_tolerations=None): + import copy + + command = ["mpirun", "--hostfile", "/etc/mpi/hostfile", "-np", str(workers * slots), + "--bind-to", "none", "--map-by", "slot", "--mca", "pml", "ob1", + "--mca", "btl", "self,tcp", "--mca", "btl_tcp_if_exclude", "lo", + "-x", "EASYGRAPH_SESSION_TOKEN", + "-x", "OMP_NUM_THREADS", "-x", "OMP_DYNAMIC", + "-x", "OPENBLAS_NUM_THREADS", "-x", "MKL_NUM_THREADS", + "/usr/local/bin/python", "-m", "easygraph.distributed.server", + "--bind", "0.0.0.0", "--port", "8787", "--session-id", name, + "--data-root", "/shared", "--idle-timeout", str(idle_timeout)] + container = {"name": "mpi", "image": image, "imagePullPolicy": "IfNotPresent", + "command": ["bash", "/usr/local/bin/start-easygraph-worker"], + "env": [{"name": "OMP_NUM_THREADS", "value": str(threads)}, + {"name": "OMP_DYNAMIC", "value": "FALSE"}] + [ + {"name": key, "value": "1"} for key in + ("OPENBLAS_NUM_THREADS", "MKL_NUM_THREADS")] + [ + {"name": "EG_NODE_NAME", "valueFrom": {"fieldRef": {"fieldPath": "spec.nodeName"}}}, + {"name": "EASYGRAPH_SESSION_TOKEN", "valueFrom": {"secretKeyRef": { + "name": name + "-auth", "key": "token"}}}], + "volumeMounts": [{"name": "data", "mountPath": "/shared"}], + "resources": {"requests": {"cpu": str(slots * threads), "memory": memory}, + "limits": {"cpu": str(slots * threads), "memory": memory}}, + "readinessProbe": {"tcpSocket": {"port": 2222}, "periodSeconds": 3}, + } + pod = {"securityContext": {"runAsUser": 20001, "runAsGroup": 4322, "runAsNonRoot": True}, + "nodeSelector": node_selector, + "containers": [container], "volumes": [{"name": "data", + "persistentVolumeClaim": {"claimName": pvc}}]} + worker = copy.deepcopy(pod) + worker["affinity"] = {"podAntiAffinity": {"requiredDuringSchedulingIgnoredDuringExecution": [{ + "labelSelector": {"matchLabels": {"easygraph-session": name, "easygraph-role": "worker"}}, + "topologyKey": "kubernetes.io/hostname"}]}} + if worker_nodes is not None: + worker["affinity"]["nodeAffinity"] = {"requiredDuringSchedulingIgnoredDuringExecution": { + "nodeSelectorTerms": [{"matchExpressions": [{"key": "kubernetes.io/hostname", + "operator": "In", "values": list(worker_nodes)}]}]}} + launcher = copy.deepcopy(pod) + if launcher_node is not None: + launcher["nodeSelector"] = {"kubernetes.io/hostname": launcher_node} + if launcher_tolerations: + launcher["tolerations"] = copy.deepcopy(launcher_tolerations) + c = launcher["containers"][0] + c["command"] = command + c.pop("readinessProbe") + c["resources"] = {"requests": {"cpu": "250m", "memory": "256Mi"}, + "limits": {"cpu": "1", "memory": memory}} + job = {"apiVersion": "kubeflow.org/v2beta1", "kind": "MPIJob", + "metadata": {"name": name, "namespace": namespace, + "labels": {"app.kubernetes.io/name": "easygraph-session"}}, + "spec": {"slotsPerWorker": slots, "mpiImplementation": "OpenMPI", + "sshAuthMountPath": "/home/mpiuser/.ssh", + "launcherCreationPolicy": "WaitForWorkersReady", "runLauncherAsWorker": False, + "runPolicy": {"cleanPodPolicy": "Running", "backoffLimit": 0, + "ttlSecondsAfterFinished": 300}, + "mpiReplicaSpecs": { + "Launcher": {"replicas": 1, "restartPolicy": "Never", "template": { + "metadata": {"labels": {"easygraph-session": name, "easygraph-role": "launcher"}}, + "spec": launcher}}, + "Worker": {"replicas": workers, "restartPolicy": "Never", "template": { + "metadata": {"labels": {"easygraph-session": name, "easygraph-role": "worker"}}, + "spec": worker}}}}} + secret = {"apiVersion": "v1", "kind": "Secret", + "metadata": {"name": name + "-auth", "namespace": namespace}, + "type": "Opaque", "stringData": {"token": token}} + return secret, job diff --git a/easygraph/distributed/context.py b/easygraph/distributed/context.py new file mode 100644 index 00000000..f6e3e0c8 --- /dev/null +++ b/easygraph/distributed/context.py @@ -0,0 +1,49 @@ + +import atexit +import importlib + + +def _load_backend(): + try: + return importlib.import_module("cpp_easygraph_distributed") + except ImportError as exc: + raise ImportError( + "The distributed extension is unavailable. Install MPI and rebuild with " + "EASYGRAPH_ENABLE_DISTRIBUTED=ON; see docs/distributed.md." + ) from exc + + +class Context: + + def __init__(self): + self._backend = _load_backend() + atexit.register(self._backend.finalize_mpi) + self._comm = self._backend.Communicator() + + def _ensure_open(self): + if self._comm.closed: + raise RuntimeError("The distributed Context is closed.") + + @property + def rank(self): + self._ensure_open() + return self._comm.rank + + @property + def size(self): + self._ensure_open() + return self._comm.size + + def barrier(self): + self._ensure_open() + self._comm.barrier() + + def close(self): + self._comm.close() + + def __enter__(self): + self._ensure_open() + return self + + def __exit__(self, exc_type, exc, traceback): + self.close() diff --git a/easygraph/distributed/dispatch.py b/easygraph/distributed/dispatch.py new file mode 100644 index 00000000..c6608c1e --- /dev/null +++ b/easygraph/distributed/dispatch.py @@ -0,0 +1,11 @@ + + +def dispatch(cpp_method_name, *args, **kwargs): + if cpp_method_name == "cpp_pagerank": + from .pagerank import pagerank + + return pagerank(*args, **kwargs) + raise NotImplementedError( + f"{cpp_method_name or 'This algorithm'} has no distributed implementation. " + "The initial distributed backend supports PageRank." + ) diff --git a/easygraph/distributed/graph.py b/easygraph/distributed/graph.py new file mode 100644 index 00000000..8c6a6b12 --- /dev/null +++ b/easygraph/distributed/graph.py @@ -0,0 +1,78 @@ + +import os + +from .context import Context + + +class DistributedGraph: + + cflag = 0 + _easygraph_distributed = True + + def __init__(self, native_graph, context): + self._native = native_graph + self.context = context + + def is_directed(self): + return False + + def is_multigraph(self): + return False + + def number_of_nodes(self): + self.context._ensure_open() + return self._native.global_num_vertices + + def number_of_edges(self): + self.context._ensure_open() + return self._native.global_num_edges + + @property + def local_nodes(self): + self.context._ensure_open() + return tuple(self._native.vertices) + + @property + def local_num_arcs(self): + self.context._ensure_open() + return self._native.local_num_arcs + + def _unsupported(self): + raise NotImplementedError( + "This operation requires a distributed implementation. " + "Distributed graphs do not expose a global node/adjacency view." + ) + + def __iter__(self): + return self._unsupported() + + def __len__(self): + return self.number_of_nodes() + + @property + def nodes(self): + return self._unsupported() + + @property + def adj(self): + return self._unsupported() + + @property + def edges(self): + return self._unsupported() + + +class DistributedDiGraph(DistributedGraph): + def is_directed(self): + return True + + +def read_edgelist(path, *, context, directed=False): + if not isinstance(context, Context): + raise TypeError("context must be an easygraph.distributed.Context") + context._ensure_open() + graph = context._backend.read_edgelist( + os.fsdecode(os.fspath(path)), context._comm, bool(directed) + ) + graph_type = DistributedDiGraph if directed else DistributedGraph + return graph_type(graph, context) diff --git a/easygraph/distributed/pagerank.py b/easygraph/distributed/pagerank.py new file mode 100644 index 00000000..455a8db5 --- /dev/null +++ b/easygraph/distributed/pagerank.py @@ -0,0 +1,21 @@ + +from .graph import DistributedGraph +from .result import DistributedResult + + +def pagerank(G, alpha=0.85, weight=None, *, max_iter=500, tol=1e-6): + from .session import RemoteGraph + if isinstance(G, RemoteGraph): + return G.session.pagerank(G, alpha=alpha, weight=weight, max_iter=max_iter, tol=tol) + if not isinstance(G, DistributedGraph): + raise TypeError("Expected a DistributedGraph or DistributedDiGraph") + ctx = G.context + ctx._ensure_open() + ctx._comm.check_error( + "Only weight=None or weight='weight' is supported." + if weight not in (None, "weight") else "" + ) + ids, values, iterations = ctx._backend.pagerank( + G._native, alpha, max_iter, tol, weight is not None + ) + return DistributedResult(ctx, dict(zip(ids, values)), iterations=iterations) diff --git a/easygraph/distributed/result.py b/easygraph/distributed/result.py new file mode 100644 index 00000000..02068915 --- /dev/null +++ b/easygraph/distributed/result.py @@ -0,0 +1,70 @@ + +import json +import time +from pathlib import Path + + +class DistributedResult: + def __init__(self, context, local, *, iterations=None): + self.context = context + self._local = local + self.iterations = iterations + + def local(self): + return dict(self._local) + + def gather(self, root=0): + ctx = self.context + ctx._ensure_open() + ctx._comm.agree(str(root)) + ctx._comm.check_error( + "root must be an integer rank in this Context." + if not isinstance(root, int) or not 0 <= root < ctx.size else "" + ) + result = ctx._comm.gather_result( + list(self._local), list(self._local.values()), root + ) + return dict(zip(*result)) if ctx.rank == root else None + + def write(self, directory): + ctx = self.context + ctx._ensure_open() + directory = Path(directory) + ctx._comm.agree(str(directory)) + error = "" + if ctx.rank == 0: + try: + directory.mkdir(parents=True, exist_ok=False) + except OSError as exc: + error = str(exc) + ctx._comm.check_error(error) + ctx.barrier() + error = "" + try: + deadline = time.monotonic() + 35 + while True: + try: + stream = (directory / f"part-{ctx.rank:05d}.tsv").open("x") + break + except FileNotFoundError: + if time.monotonic() >= deadline: + raise + time.sleep(0.1) + with stream: + for vertex, value in sorted(self._local.items()): + stream.write(f"{vertex}\t{value:.17g}\n") + except OSError as exc: + error = str(exc) + ctx._comm.check_error(error) + ctx.barrier() + error = "" + if ctx.rank == 0: + try: + with (directory / "manifest.json").open("x") as stream: + json.dump({ + "format": "vertex-value-tsv", "parts": ctx.size, + "iterations": self.iterations, + }, stream, indent=2) + except OSError as exc: + error = str(exc) + ctx._comm.check_error(error) diff --git a/easygraph/distributed/server.py b/easygraph/distributed/server.py new file mode 100644 index 00000000..cb31d93e --- /dev/null +++ b/easygraph/distributed/server.py @@ -0,0 +1,273 @@ +import argparse +import hmac +from http.server import BaseHTTPRequestHandler, HTTPServer +import json +import math +import os +from pathlib import Path +import socket +import time +import uuid + +from .context import Context +from .graph import read_edgelist +from .pagerank import pagerank + +MAX_REQUEST = 1024 * 1024 + + +class Runtime: + def __init__(self, context, session_id, data_root=None): + self.ctx = context + self.session_id = session_id + self.data_root = Path(data_root).resolve() if data_root else None + self.graphs, self.results = {}, {} + self.load_count = self.query_count = 0 + node_file = Path("/tmp/easygraph-node") + self.identity = {"rank": context.rank, "pid": os.getpid(), + "hostname": socket.gethostname(), + "node": node_file.read_text().strip() if node_file.exists() + else socket.gethostname()} + if hasattr(context._backend, "parallel_info"): + self.identity["parallelism"] = context._backend.parallel_info() + + def path(self, value): + if not isinstance(value, str) or not value or "\x00" in value: + raise ValueError("A nonempty filesystem path is required") + path = Path(value) + if not path.is_absolute(): + raise ValueError("Use an absolute server-side file path") + resolved = path.resolve() + if self.data_root is not None and resolved != self.data_root and self.data_root not in resolved.parents: + raise ValueError("Path is outside the configured data root") + return str(resolved) + + def records(self, local): + value = json.dumps(local, allow_nan=False) + return [json.loads(self.ctx._comm.broadcast_string(value, rank)) + for rank in range(self.ctx.size)] + + def prepare(self, command): + op = command["op"] + if op in ("pagerank", "graph_info", "drop_graph"): + if command["graph_id"] not in self.graphs: + raise ValueError("Graph has been released or does not belong to this session") + if op in ("gather", "write", "drop_result"): + if command["result_id"] not in self.results: + raise ValueError("Result has been released or does not belong to this session") + if op == "gather" and self.results[command["result_id"]]["count"] > command["max_vertices"]: + raise ValueError("Result exceeds max_vertices; increase the explicit limit or use write()") + + def execute(self, command): + error = "" + try: + self.prepare(command) + except Exception as exc: + error = str(exc) + self.ctx._comm.check_error(error) + op, value = command["op"], None + graph = result = None + try: + if op == "load": + graph = read_edgelist(command["path"], context=self.ctx, + directed=command["directed"]) + elif op == "pagerank": + graph = self.graphs[command["graph_id"]]["graph"] + result = pagerank(graph, alpha=command["alpha"], weight=command["weight"], + max_iter=command["max_iter"], tol=command["tol"]) + elif op == "gather": + values = self.results[command["result_id"]]["result"].gather(root=0) + if self.ctx.rank == 0: + value = [[int(k), float(v)] for k, v in values.items()] + elif op == "write": + self.results[command["result_id"]]["result"].write(command["path"]) + value = {"path": command["path"]} + except Exception as exc: + error = str(exc) + self.ctx._comm.check_error(error) + if op == "load": + self.load_count += 1 + self.graphs[command["id"]] = {"graph": graph, "path": command["path"], + "load_number": self.load_count, "native_identity": id(graph._native)} + value = self.graph_info(command["id"]) + elif op == "pagerank": + self.query_count += 1 + value = {"id": command["id"], "graph_id": command["graph_id"], + "iterations": result.iterations, "count": graph.number_of_nodes()} + self.results[command["id"]] = dict(value, result=result) + elif op == "graph_info": + value = self.graph_info(command["graph_id"]) + elif op == "drop_graph": + del self.graphs[command["graph_id"]] + value = {"released": True} + elif op == "drop_result": + del self.results[command["result_id"]] + value = {"released": True} + elif op == "info": + value = {"session_id": self.session_id, "size": self.ctx.size, + "load_count": self.load_count, "query_count": self.query_count, + "graphs": list(self.graphs), "results": list(self.results), + "ranks": self.records(dict(self.identity, + load_count=self.load_count, query_count=self.query_count))} + elif op == "shutdown": + self.results.clear() + self.graphs.clear() + value = {"closed": True} + elif op == "ping": + value = {"session_id": self.session_id, "size": self.ctx.size} + return value + + def graph_info(self, graph_id): + item = self.graphs[graph_id] + graph = item["graph"] + return {"id": graph_id, "path": item["path"], "directed": graph.is_directed(), + "num_nodes": graph.number_of_nodes(), "num_edges": graph.number_of_edges(), + "load_number": item["load_number"], + "partitions": self.records(dict(self.identity, + native_identity=item["native_identity"], + local_vertices=len(graph.local_nodes), local_arcs=graph.local_num_arcs))} + + +def validate(body): + if not isinstance(body, dict) or not isinstance(body.get("request_id"), str): + raise ValueError("A JSON object with request_id is required") + op = body.get("op") + required = {"ping": (), "info": (), "shutdown": (), + "load": ("path", "directed"), "graph_info": ("graph_id",), + "drop_graph": ("graph_id",), "drop_result": ("result_id",), + "pagerank": ("graph_id", "alpha", "weight", "max_iter", "tol"), + "gather": ("result_id", "max_vertices"), "write": ("result_id", "path")} + if op not in required: + raise ValueError("Unsupported operation") + if set(body) != {"op", "request_id", *required[op]}: + raise ValueError("Missing or unexpected request fields") + for key in ("graph_id", "result_id"): + if key in body and (not isinstance(body[key], str) or len(body[key]) != 32): + raise ValueError("Invalid object handle") + if op == "load" and type(body["directed"]) is not bool: + raise ValueError("directed must be boolean") + for key in ("max_iter", "max_vertices"): + if key in body and (type(body[key]) is not int or body[key] < 1): + raise ValueError(key + " must be a positive integer") + if op == "pagerank": + for key in ("alpha", "tol"): + v = body[key] + if type(v) not in (float, int) or not math.isfinite(v): + raise ValueError(key + " must be finite") + if not 0 < body["alpha"] < 1 or body["tol"] <= 0: + raise ValueError("Require 0 < alpha < 1 and tol > 0") + if body["weight"] not in (None, "weight"): + raise ValueError("Only weight=None or 'weight' is supported") + command = dict(body) + if op in ("load", "pagerank"): + command["id"] = uuid.uuid4().hex + return command + + +def serve(ctx, args, token): + runtime = Runtime(ctx, args.session_id, args.data_root) + if ctx.rank: + while True: + command = json.loads(ctx._comm.broadcast_string("", 0)) + try: + runtime.execute(command) + except Exception: + pass + if command["op"] == "shutdown": + return + else: + class Handler(BaseHTTPRequestHandler): + def log_message(self, fmt, *values): + pass + + def do_POST(self): + self.connection.settimeout(10) + if self.path != "/rpc": + self.send_error(404) + return + auth = self.headers.get("Authorization", "") + if not hmac.compare_digest(auth, "Bearer " + token): + self.send_error(401) + return + request_id = None + try: + length = int(self.headers.get("Content-Length", "0")) + if not 0 < length <= MAX_REQUEST: + raise ValueError("Request body must be between 1 byte and 1 MiB") + body = json.loads(self.rfile.read(length)) + request_id = body.get("request_id") if isinstance(body, dict) else None + command = validate(body) + if command["op"] in ("load", "write"): + command["path"] = runtime.path(command["path"]) + server.last_activity = time.monotonic() + ctx._comm.broadcast_string(json.dumps(command, allow_nan=False), 0) + value = runtime.execute(command) + response = {"ok": True, "request_id": request_id, "value": value} + if command["op"] == "shutdown": + server.stopping = True + except Exception as exc: + response = {"ok": False, "request_id": request_id, + "error": str(exc), "error_type": type(exc).__name__} + try: + data = json.dumps(response, allow_nan=False).encode() + self.send_response(200) + self.send_header("Content-Type", "application/json") + self.send_header("Content-Length", str(len(data))) + self.end_headers() + self.wfile.write(data) + except (BrokenPipeError, ConnectionResetError, TimeoutError): + pass + server.last_activity = time.monotonic() + + error = "" + server = None + try: + server = HTTPServer((args.bind, args.port), Handler) + server.timeout = min(1.0, args.idle_timeout) + server.stopping, server.last_activity = False, time.monotonic() + except Exception as exc: + error = str(exc) + startup = {"op": "ping", "request_id": "startup"} + ctx._comm.broadcast_string(json.dumps(startup), 0) + runtime.execute(startup) + if error: + command = {"op": "shutdown", "request_id": "startup-failed"} + ctx._comm.broadcast_string(json.dumps(command), 0) + runtime.execute(command) + raise RuntimeError(error) + print(json.dumps({"event": "session_ready", "session_id": args.session_id, + "ranks": ctx.size, "port": args.port}), flush=True) + try: + while not server.stopping: + if time.monotonic() - server.last_activity >= args.idle_timeout: + command = {"op": "shutdown", "request_id": "idle-timeout"} + ctx._comm.broadcast_string(json.dumps(command), 0) + runtime.execute(command) + server.stopping = True + break + server.handle_request() + finally: + if not server.stopping: + command = {"op": "shutdown", "request_id": "server-stopped"} + ctx._comm.broadcast_string(json.dumps(command), 0) + runtime.execute(command) + server.server_close() + + +def main(): + p = argparse.ArgumentParser(description=__doc__) + p.add_argument("--bind", default="127.0.0.1") + p.add_argument("--port", type=int, default=8787) + p.add_argument("--session-id", required=True) + p.add_argument("--idle-timeout", type=float, default=900) + p.add_argument("--data-root") + args = p.parse_args() + token = os.environ.get("EASYGRAPH_SESSION_TOKEN", "") + if len(token) < 32 or args.idle_timeout <= 0: + p.error("A token of at least 32 characters and positive idle-timeout are required") + with Context() as ctx: + serve(ctx, args, token) + + +if __name__ == "__main__": + main() diff --git a/easygraph/distributed/session.py b/easygraph/distributed/session.py new file mode 100644 index 00000000..f6e76e1b --- /dev/null +++ b/easygraph/distributed/session.py @@ -0,0 +1,414 @@ +import atexit +import http.client +import json +import os +from pathlib import Path +import secrets +import shutil +import signal +import socket +import subprocess +import sys +import tempfile +import threading +import time +from urllib.parse import urlsplit +import uuid + +DEFAULT_IMAGE = "ghcr.io/easy-graph/easygraph-distributed:1.6.4" + + +class SessionError(RuntimeError): + pass + + +def _free_port(): + with socket.socket() as sock: + sock.bind(("127.0.0.1", 0)) + return sock.getsockname()[1] + + +class Session: + + def __init__(self, *, cluster_type="k8s", num_workers=4, processes_per_worker=1, + threads_per_worker=1, + namespace="default", image=DEFAULT_IMAGE, pvc="easygraph-data", + worker_memory="2Gi", node_selector=None, worker_nodes=None, + launcher_node=None, launcher_tolerations=None, endpoint=None, token=None, + startup_timeout=180, request_timeout=300, idle_timeout=900, + heartbeat_interval=30, mpi_command="mpirun", python_executable=None, + data_root=None, kubectl="kubectl", kubeconfig=None): + if type(num_workers) is not int or num_workers < 1: + raise ValueError("num_workers must be a positive integer") + if type(processes_per_worker) is not int or processes_per_worker < 1: + raise ValueError("processes_per_worker must be a positive integer") + if type(threads_per_worker) is not int or threads_per_worker < 1: + raise ValueError("threads_per_worker must be a positive integer") + if worker_nodes is not None: + if (not isinstance(worker_nodes, (list, tuple)) or not worker_nodes or + any(not isinstance(node, str) or not node.strip() for node in worker_nodes)): + raise ValueError("worker_nodes must be a nonempty list or tuple of node names") + if len(set(worker_nodes)) != len(worker_nodes) or len(worker_nodes) < num_workers: + raise ValueError("worker_nodes must contain at least num_workers distinct node names") + worker_nodes = list(worker_nodes) + if launcher_node is not None and (not isinstance(launcher_node, str) or not launcher_node.strip()): + raise ValueError("launcher_node must be a nonempty node name") + if launcher_tolerations is not None and (not isinstance(launcher_tolerations, list) or + any(not isinstance(item, dict) for item in launcher_tolerations)): + raise ValueError("launcher_tolerations must be a list of Kubernetes tolerations") + if cluster_type != "k8s" and (worker_nodes is not None or launcher_node is not None): + raise ValueError("worker_nodes and launcher_node require cluster_type='k8s'") + if min(startup_timeout, request_timeout, idle_timeout) <= 0 or heartbeat_interval < 0: + raise ValueError("Timeouts must be positive, heartbeat_interval must be nonnegative") + if heartbeat_interval and heartbeat_interval >= idle_timeout: + raise ValueError("heartbeat_interval must be shorter than idle_timeout") + if token is not None and (not isinstance(token, str) or len(token) < 32): + raise ValueError("token must be a string of at least 32 characters") + self.name = "eg-session-" + uuid.uuid4().hex[:16] + self.namespace = namespace + self._closed = self._faulted = False + self._owned = endpoint is None + self._resources_created = False + self._kind = cluster_type + self._token = token or secrets.token_urlsafe(32) + self._timeout = request_timeout + self._lock = threading.RLock() + self._stop = threading.Event() + self._heartbeat = self._process = self._forward = None + self._temp = tempfile.TemporaryDirectory(prefix="easygraph-session-") + self._log = open(Path(self._temp.name) / "session.log", "w+b") + self._kubectl = [kubectl] + (["--kubeconfig", os.fspath(kubeconfig)] if kubeconfig else []) + try: + if endpoint is not None: + if token is None: + raise ValueError("Connecting requires an explicit token") + self.endpoint = endpoint + elif cluster_type == "hosts": + port = _free_port() + self.endpoint = f"http://127.0.0.1:{port}" + command = [mpi_command, "-np", str(num_workers * processes_per_worker), + python_executable or sys.executable, "-m", "easygraph.distributed.server", + "--session-id", self.name, "--port", str(port), + "--idle-timeout", str(idle_timeout)] + if data_root: + command += ["--data-root", os.path.abspath(data_root)] + env = dict(os.environ, EASYGRAPH_SESSION_TOKEN=self._token, + OMP_NUM_THREADS=str(threads_per_worker), OMP_DYNAMIC="FALSE", + OPENBLAS_NUM_THREADS="1", MKL_NUM_THREADS="1") + self._process = subprocess.Popen(command, env=env, stdout=self._log, + stderr=subprocess.STDOUT, stdin=subprocess.DEVNULL, start_new_session=True) + elif cluster_type == "k8s": + from ._kubernetes import resources + if shutil.which(kubectl) is None: + raise SessionError("kubectl is required to start a Kubernetes Session") + secret, job = resources(self.name, self._token, image=image, namespace=namespace, + workers=num_workers, slots=processes_per_worker, threads=threads_per_worker, + memory=worker_memory, pvc=pvc, worker_nodes=worker_nodes, + launcher_node=launcher_node, launcher_tolerations=launcher_tolerations, + idle_timeout=idle_timeout, node_selector=node_selector if node_selector is not None + else {}) + manifest = json.dumps({"apiVersion": "v1", "kind": "List", "items": [secret, job]}) + self._kube("apply", "--dry-run=server", "-f", "-", input=manifest, + timeout=startup_timeout) + self._resources_created = True + self._kube("apply", "-f", "-", input=manifest, timeout=startup_timeout) + created = json.loads(self._kube("get", "mpijob", self.name, "-o", "json")) + owner = {"apiVersion": "kubeflow.org/v2beta1", "kind": "MPIJob", + "name": self.name, "uid": created["metadata"]["uid"]} + self._kube("patch", "secret", self.name + "-auth", "--type=merge", "-p", + json.dumps({"metadata": {"ownerReferences": [owner]}})) + deadline = time.monotonic() + startup_timeout + while True: + try: + pod = json.loads(self._kube("get", "pod", self.name + "-worker-0", "-o", "json")) + except SessionError: + pod = None + if pod and pod["status"].get("phase") == "Running": + break + if pod and pod["status"].get("phase") in ("Failed", "Succeeded"): + raise SessionError("Session worker exited before startup. " + self._diagnostics()) + if time.monotonic() >= deadline: + raise SessionError("Worker startup timed out. " + self._diagnostics()) + self._stop.wait(0.25) + port = _free_port() + self.endpoint = f"http://127.0.0.1:{port}" + self._forward_args = self._kubectl + ["-n", namespace, + "port-forward", "--address=127.0.0.1", + f"--pod-running-timeout={int(startup_timeout)}s", + "pod/" + self.name + "-worker-0", f"{port}:8787"] + self._start_forward() + else: + raise ValueError("cluster_type must be 'k8s' or 'hosts'") + parsed = urlsplit(self.endpoint) + if parsed.scheme not in ("http", "https") or not parsed.hostname or parsed.path not in ("", "/"): + raise ValueError("endpoint must be an http(s) origin") + self._address = parsed + deadline = time.monotonic() + startup_timeout + while True: + try: + hello = self._request("ping", _timeout=min(2, startup_timeout), _startup=True) + self.session_id, self.size = hello["session_id"], hello["size"] + self.name = self.session_id + break + except (OSError, http.client.HTTPException, SessionError) as exc: + if self._process is not None and self._process.poll() is not None: + raise SessionError("Session process exited during startup. " + self._log_tail()) from exc + if time.monotonic() >= deadline: + raise SessionError("Session startup timed out. " + self._diagnostics()) from exc + if self._forward is not None and self._forward.poll() is not None: + self._start_forward() + self._stop.wait(0.25) + if self._owned and self.size != num_workers * processes_per_worker: + raise SessionError("MPI rank count differs from the requested configuration") + if self._owned and threads_per_worker > 1: + ranks = self.info()["ranks"] + if len(ranks) != self.size or any( + not rank.get("parallelism", {}).get("openmp_enabled") or + rank["parallelism"].get("max_threads") != threads_per_worker or + rank["parallelism"].get("team_size") != threads_per_worker + for rank in ranks + ): + details = [{"rank": rank.get("rank"), "node": rank.get("node"), + "parallelism": rank.get("parallelism")} for rank in ranks] + raise SessionError(f"Workers do not provide {threads_per_worker} OpenMP threads: " + + json.dumps(details)) + if heartbeat_interval: + self._heartbeat = threading.Thread(target=self._keepalive, + args=(heartbeat_interval,), name="easygraph-session-heartbeat", daemon=True) + self._heartbeat.start() + atexit.register(self.close) + except BaseException: + self._cleanup() + self._closed = True + raise + + def _kube(self, *args, input=None, timeout=30): + completed = subprocess.run(self._kubectl + ["-n", self.namespace, *args], input=input, + text=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, timeout=timeout) + if completed.returncode: + raise SessionError(completed.stderr.strip() or "kubectl failed") + return completed.stdout + + def _start_forward(self): + self._forward = subprocess.Popen(self._forward_args, stdout=self._log, + stderr=subprocess.STDOUT, stdin=subprocess.DEVNULL, start_new_session=True) + + def _log_tail(self): + self._log.flush() + with open(self._log.name, "rb") as stream: + stream.seek(max(0, os.path.getsize(self._log.name) - 4000)) + return stream.read().decode(errors="replace") + + def _diagnostics(self): + output = self._log_tail() + if self._kind == "k8s" and self._resources_created: + try: + output += self._kube("get", "pods", "-l", "easygraph-session=" + self.name, "-o", "wide") + output += self._kube("logs", "job/" + self.name + "-launcher", "--tail=20") + except Exception: + pass + return output + + def _request(self, op, _timeout=None, _startup=False, **parameters): + with self._lock: + if self._closed or (self._faulted and not _startup): + raise SessionError("Session is closed or its transport failed; close it and create a new session") + request_id = uuid.uuid4().hex + data = json.dumps(dict(parameters, op=op, request_id=request_id), allow_nan=False).encode() + kind = http.client.HTTPSConnection if self._address.scheme == "https" else http.client.HTTPConnection + connection = kind(self._address.hostname, self._address.port, + timeout=_timeout or self._timeout) + try: + connection.request("POST", "/rpc", body=data, headers={ + "Content-Type": "application/json", "Authorization": "Bearer " + self._token}) + response = connection.getresponse() + raw = response.read(32 * 1024 * 1024 + 1) + if response.status != 200: + raise SessionError(f"Session HTTP error {response.status}") + if len(raw) > 32 * 1024 * 1024: + raise SessionError("Response exceeds 32 MiB; use sharded write()") + reply = json.loads(raw) + if reply.get("request_id") != request_id: + raise SessionError("Session response does not match the request") + except (OSError, http.client.HTTPException, ValueError, SessionError) as exc: + if not _startup: + self._faulted = True + raise SessionError("Session transport failed; request was not retried because its outcome may be unknown: " + str(exc)) from exc + finally: + connection.close() + if not reply.get("ok"): + raise SessionError(reply.get("error", "Remote operation failed")) + return reply["value"] + + def _keepalive(self, interval): + while not self._stop.wait(interval): + if self._lock.acquire(blocking=False): + try: + self._request("ping", _timeout=min(5, self._timeout)) + except SessionError: + return + finally: + self._lock.release() + + def info(self): + return self._request("info") + + def read_edgelist(self, path, *, directed=False): + value = self._request("load", path=os.fspath(path), directed=directed) + return RemoteGraph(self, value) + + def graph(self, graph_id): + return RemoteGraph(self, self._request("graph_info", graph_id=graph_id)) + + def connection_info(self): + return {"endpoint": self.endpoint, "token": self._token} + + def pagerank(self, graph, alpha=0.85, weight=None, *, max_iter=500, tol=1e-6): + if not isinstance(graph, RemoteGraph) or graph.session is not self: + raise ValueError("Graph must belong to this Session") + graph._ensure_open() + value = self._request("pagerank", graph_id=graph.id, alpha=alpha, + weight=weight, max_iter=max_iter, tol=tol) + return RemoteResult(self, value) + + @staticmethod + def _terminate(process): + if process is not None and process.poll() is None: + try: + os.killpg(process.pid, signal.SIGTERM) + process.wait(timeout=5) + except (ProcessLookupError, subprocess.TimeoutExpired): + if process.poll() is None: + os.killpg(process.pid, signal.SIGKILL) + process.wait(timeout=5) + + def _cleanup(self): + self._stop.set() + self._terminate(self._forward) + self._terminate(self._process) + cleanup_error = None + if self._owned and self._resources_created: + errors = [] + for kind, name in (("mpijob", self.name), ("secret", self.name + "-auth")): + try: + self._kube("delete", kind, name, "--ignore-not-found", "--wait=false") + except Exception as exc: + errors.append(str(exc)) + if not errors: + self._resources_created = False + else: + cleanup_error = "; ".join(errors) + self._log.close() + self._temp.cleanup() + return cleanup_error + + def close(self): + if self._closed: + return + atexit.unregister(self.close) + self._stop.set() + if self._heartbeat is not None and self._heartbeat is not threading.current_thread(): + self._heartbeat.join(timeout=6) + error = None + with self._lock: + try: + if self._owned and not self._faulted: + self._request("shutdown", _timeout=10) + if self._process is not None: + self._process.wait(timeout=5) + except (SessionError, subprocess.TimeoutExpired) as exc: + error = exc + finally: + self._closed = True + cleanup_error = self._cleanup() + if cleanup_error: + raise SessionError(f"Failed to clean up Session {self.name}: {cleanup_error}") + if error and not self._owned: + raise error + + def shutdown(self): + try: + self._request("shutdown", _timeout=10) + finally: + self._faulted = True + self.close() + + def __enter__(self): + if self._closed: + raise SessionError("Session is closed") + return self + + def __exit__(self, exc_type, exc, tb): + self.close() + + +class RemoteGraph: + _easygraph_distributed = True + _easygraph_remote = True + cflag = 0 + + def __init__(self, session, metadata): + self.session, self.id = session, metadata["id"] + self._metadata, self._closed = metadata, False + + def _ensure_open(self): + if self._closed or self.session._closed: + raise SessionError("Remote graph or Session is closed") + + def info(self): + self._ensure_open() + return self.session._request("graph_info", graph_id=self.id) + + def number_of_nodes(self): + self._ensure_open() + return self._metadata["num_nodes"] + + def number_of_edges(self): + self._ensure_open() + return self._metadata["num_edges"] + + def is_directed(self): + return self._metadata["directed"] + + def is_multigraph(self): + return False + + def close(self): + if not self._closed and not self.session._closed: + self.session._request("drop_graph", graph_id=self.id) + self._closed = True + + +class RemoteResult: + def __init__(self, session, metadata): + self.session, self.id = session, metadata["id"] + self.iterations, self.count = metadata["iterations"], metadata["count"] + self._closed = False + + def _ensure_open(self): + if self._closed or self.session._closed: + raise SessionError("Remote result or Session is closed") + + def to_dict(self, *, max_vertices=100000): + self._ensure_open() + pairs = self.session._request("gather", result_id=self.id, max_vertices=max_vertices) + return dict(pairs) + + def gather(self, *, max_vertices=100000): + return self.to_dict(max_vertices=max_vertices) + + def to_dataframe(self, *, max_vertices=100000): + import pandas as pd + return pd.DataFrame(self.to_dict(max_vertices=max_vertices).items(), columns=["id", "value"]) + + def write(self, path): + self._ensure_open() + return self.session._request("write", result_id=self.id, path=os.fspath(path))["path"] + + def close(self): + if not self._closed and not self.session._closed: + self.session._request("drop_result", result_id=self.id) + self._closed = True + + +session = Session diff --git a/easygraph/utils/decorators.py b/easygraph/utils/decorators.py index 1a3cf6e8..0986fb31 100644 --- a/easygraph/utils/decorators.py +++ b/easygraph/utils/decorators.py @@ -144,15 +144,18 @@ def _not_implemented_for(g): def hybrid(cpp_method_name): def _hybrid(py_method): @functools.wraps(py_method) - def method(*args, **kwargs): - G = args[0] + def method(G, *args, **kwargs): + if getattr(G, "_easygraph_distributed", False): + from easygraph.distributed.dispatch import dispatch + + return dispatch(cpp_method_name, G, *args, **kwargs) if G.cflag and cpp_method_name is not None: try: cpp_method = getattr(cpp_easygraph, cpp_method_name) - return cpp_method(*args, **kwargs) + return cpp_method(G, *args, **kwargs) except AttributeError as e: print(f"Warning: {e}. Use python method instead.") - return py_method(*args, **kwargs) + return py_method(G, *args, **kwargs) return method diff --git a/setup.py b/setup.py index 1b88d85c..e28d6c98 100644 --- a/setup.py +++ b/setup.py @@ -32,6 +32,8 @@ def __init__(self, name: str, sourcedir: str = "") -> None: class CMakeBuild(build_ext): def build_extension(self, ext: CMakeExtension) -> None: enable_gpu = "EASYGRAPH_ENABLE_GPU" in os.environ and "TRUE" in os.environ.get("EASYGRAPH_ENABLE_GPU").upper() + enable_distributed = os.environ.get("EASYGRAPH_ENABLE_DISTRIBUTED", "OFF").upper() in {"1", "ON", "TRUE", "YES"} + import pybind11 # Must be in this form due to bug in .resolve() only fixed in Python 3.10+ ext_fullpath = Path.cwd() / self.get_ext_fullpath(ext.name) @@ -54,8 +56,10 @@ def build_extension(self, ext: CMakeExtension) -> None: "-DPYBIND11_FINDPYTHON=ON", f"-DCMAKE_BUILD_TYPE={cfg}", # not used on MSVC, but no harm f"-DEASYGRAPH_ENABLE_GPU={'ON' if enable_gpu else 'OFF'}", + f"-DEASYGRAPH_ENABLE_DISTRIBUTED={'ON' if enable_distributed else 'OFF'}", + f"-Dpybind11_DIR={pybind11.get_cmake_dir()}", ] - build_args = [] + build_args = ["--target", ext.name] # Adding CMake arguments set as environment variable # (needed e.g. to build for ARM OSx on conda-forge) if "CMAKE_ARGS" in os.environ: @@ -157,7 +161,7 @@ def default_torch_requirements(): setuptools.setup( name="Python-EasyGraph", - version="1.6.3", + version="1.6.4", author="Fudan DataNET Group", author_email="mgao21@m.fudan.edu.cn", description="Easy Graph", @@ -215,5 +219,9 @@ def default_torch_requirements(): }, ext_modules=[ CMakeExtension("cpp_easygraph") - ], + ] + ( + [CMakeExtension("cpp_easygraph_distributed")] + if os.environ.get("EASYGRAPH_ENABLE_DISTRIBUTED", "OFF").upper() in {"1", "ON", "TRUE", "YES"} + else [] + ), ) diff --git a/tests/distributed/mpi_exchange_chunked.cpp b/tests/distributed/mpi_exchange_chunked.cpp new file mode 100644 index 00000000..ceba1c9c --- /dev/null +++ b/tests/distributed/mpi_exchange_chunked.cpp @@ -0,0 +1,33 @@ +#include +#include +#include +#include + +#include "../../cpp_easygraph/distributed/communicator.h" + +int main() { + egdist::Communicator comm; + const int rank = comm.rank(); + const int size = comm.size(); + std::vector> buckets(size); + for (int destination = 0; destination < size; ++destination) { + const int count = rank == 0 && destination == 0 ? 0 : (rank + 1) * 13 + destination; + for (int index = 0; index < count; ++index) { + buckets[destination].push_back(rank * 100000 + destination * 1000 + index); + } + } + + // Four uint64_t records per destination per round with two ranks. + const auto received = comm.exchange(buckets, 64); + std::vector expected; + for (int source = 0; source < size; ++source) { + const int count = source == 0 && rank == 0 ? 0 : (source + 1) * 13 + rank; + for (int index = 0; index < count; ++index) { + expected.push_back(source * 100000 + rank * 1000 + index); + } + } + comm.check_error(received == expected ? "" : "Chunked exchange changed record order or values"); + if (rank == 0) std::cout << "chunked MPI exchange: OK" << std::endl; + comm.close(); + egdist::finalize_mpi(); +} diff --git a/tests/distributed/test_kubernetes_manifest.py b/tests/distributed/test_kubernetes_manifest.py new file mode 100644 index 00000000..7fd0c317 --- /dev/null +++ b/tests/distributed/test_kubernetes_manifest.py @@ -0,0 +1,23 @@ +from easygraph.distributed._kubernetes import resources + + +def test_session_worker_and_control_plane_launcher_contract(): + tolerations = [{"key": "node-role.kubernetes.io/control-plane", + "operator": "Exists", "effect": "NoSchedule"}] + _, job = resources( + "eg-session-test", "not-a-real-token", image="example/worker:1", + namespace="benchmark", workers=2, slots=1, threads=16, + memory="60Gi", pvc="benchmark-data-rwx", idle_timeout=900, + node_selector={"benchmark-node": "true"}, + worker_nodes=["eg-b", "eg-c"], launcher_node="eg-a", + launcher_tolerations=tolerations, + ) + replicas = job["spec"]["mpiReplicaSpecs"] + launcher = replicas["Launcher"]["template"]["spec"] + worker = replicas["Worker"]["template"]["spec"] + assert launcher["nodeSelector"] == {"kubernetes.io/hostname": "eg-a"} + assert launcher["tolerations"] == tolerations + assert "tolerations" not in worker + assert worker["containers"][0]["resources"]["limits"] == { + "cpu": "16", "memory": "60Gi"} + assert worker["containers"][0]["image"] == "example/worker:1"