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Purge the whole cache, report the cache tags not written #431

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Merged
mistraloz merged 2 commits into from
Nov 6, 2026
Merged

Purge the whole cache, report the cache tags not written #431

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616f32a
Read all the versions of the cache before deleting them
mistraloz Nov 6, 2026
bee7b41
Keep the build log and report the cache tags not written
mistraloz Nov 6, 2026
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6 changes: 4 additions & 2 deletions .github/workflows/purge-cache.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -27,5 +27,7 @@ jobs:
docker buildx imagetools create -t "${CACHE_REPO}:keep" docker.io/library/hello-world:latest
OWNER_TYPE=$(gh api "users/${{ github.repository_owner }}" --jq 'if .type == "Organization" then "orgs" else "users" end')
VERSIONS="${OWNER_TYPE}/${{ github.repository_owner }}/packages/container/php-cache/versions"
gh api --paginate "${VERSIONS}" --jq '.[] | select(.metadata.container.tags | index("keep") | not) | .id' \
| xargs -r -I {} gh api --silent -X DELETE "${VERSIONS}/{}"
# The whole list is read before the deletions, which shift the next pages
IDS=$(gh api --paginate "${VERSIONS}" --jq '.[] | select(.metadata.container.tags | index("keep") | not) | .id')
printf '%s\n' ${IDS} | xargs -r -I {} gh api --silent -X DELETE "${VERSIONS}/{}"
echo "$(printf '%s\n' ${IDS} | grep -c .) versions deleted"
26 changes: 24 additions & 2 deletions .github/workflows/workflow.yml
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Expand Up @@ -45,8 +45,30 @@ jobs:
TAG_PREFIX="rc${GITHUB_RUN_ID}-" \
docker buildx bake \
--set "*.platform=linux/${{ matrix.builder.arch }}" \
--progress=quiet \
php${PHP_VERSION//.}
--progress=plain \
php${PHP_VERSION//.} > build.log 2>&1 || { tail -n 50 build.log; exit 1; }
- name: Upload the build log
if: always()
uses: actions/upload-artifact@v7
with:
name: build-log-${{ matrix.php_version }}-${{ matrix.builder.arch }}
path: build.log
retention-days: 7
- name: Check the cache tags
if: ${{ github.event_name != 'pull_request' }}
run: |
PHP_VERSION="${{ matrix.php_version }}"
CACHE_REPO="${{ github.repository_owner }}/php-cache"
EXPECTED=$(CACHE_REPO="ghcr.io/${CACHE_REPO}" CACHE_WRITE=1 ARCH_SUFFIX="-${{ matrix.builder.arch }}" \
docker buildx bake --print --progress=quiet php${PHP_VERSION//.} \
| jq -r '.target[]."cache-to"[]?.ref | sub(".*:"; "")' | sort)
# Anonymous token: the cache package is public
TOKEN=$(curl -fsS "https://ghcr.io/token?scope=repository:${CACHE_REPO}:pull" | jq -r .token)
EXISTING=$(curl -fsS -H "Authorization: Bearer ${TOKEN}" "https://ghcr.io/v2/${CACHE_REPO}/tags/list?n=1000" | jq -r '.tags[]' | sort)
MISSING=$(comm -23 <(echo "${EXPECTED}") <(echo "${EXISTING}"))
if [ -n "${MISSING}" ]; then
echo "::warning::Cache tags not written (see the export lines of build.log): $(echo ${MISSING})"
fi
- name: Display tags built
run: |
docker image ls --filter="reference=ghcr.io/${{ github.repository_owner }}/php" --format "{{.CreatedAt}}\t{{.Size}}\t{{.Repository}}:{{.Tag}}"
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