fix: use digest as tag when signing image #35
Workflow file for this run
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| name: build-ublue | |
| on: | |
| pull_request: | |
| merge_group: | |
| schedule: | |
| - cron: '0 15 * * *' # 3pm UTC everyday (timed against official fedora container pushes) | |
| workflow_dispatch: | |
| env: | |
| IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }} | |
| jobs: | |
| build: | |
| name: Build | |
| runs-on: ubuntu-22.04 | |
| permissions: | |
| contents: read | |
| packages: write | |
| id-token: write | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| arch: [amd64, arm64] | |
| version: [40, rawhide] | |
| flavor: [base, silverblue] | |
| steps: | |
| # Checkout push-to-registry action GitHub repository | |
| - name: Checkout Push to Registry action | |
| uses: actions/checkout@v4 | |
| - name: Generate tags | |
| id: generate-tags | |
| shell: bash | |
| run: | | |
| # Generate a timestamp for creating an image version history | |
| TIMESTAMP="$(date +%Y%m%d)" | |
| MAJOR_VERSION="$(echo ${{ matrix.version }} | cut -d . -f 1)" | |
| COMMIT_TAGS=() | |
| BUILD_TAGS=() | |
| # Have tags for tracking builds during pull request | |
| SHA_SHORT="${GITHUB_SHA::7}" | |
| # Using clever bash string templating, https://stackoverflow.com/q/40771781 | |
| # don't make malformed tags if $MAJOR_VERSION is empty (base-image didn't include proper labels) -- | |
| COMMIT_TAGS+=("${SHA_SHORT}${MAJOR_VERSION:+-$MAJOR_VERSION}") | |
| BUILD_TAGS=("${MAJOR_VERSION}" "${MAJOR_VERSION}-${{ matrix.arch }}" "${MAJOR_VERSION:+$MAJOR_VERSION-}${TIMESTAMP}" "${MAJOR_VERSION:+$MAJOR_VERSION-}${TIMESTAMP}-${{ matrix.arch }}") | |
| # -- | |
| if [ "${MAJOR_VERSION}" == "40" ]; then | |
| BUILD_TAGS+=("${TIMESTAMP}") | |
| BUILD_TAGS+=("latest-${{ matrix.arch }}") | |
| fi | |
| alias_tags=("${BUILD_TAGS[@]}") | |
| echo "Generated the following build tags: " | |
| for TAG in "${BUILD_TAGS[@]}"; do | |
| echo "${TAG}" | |
| done | |
| echo "alias_tags=${alias_tags[*]}" >> $GITHUB_OUTPUT | |
| # Build metadata | |
| - name: Image Metadata | |
| uses: docker/metadata-action@v5 | |
| id: meta | |
| with: | |
| images: | | |
| cosmic-${{ matrix.flavor }} | |
| labels: | | |
| org.opencontainers.image.title=cosmic-${{ matrix.flavor }} | |
| org.opencontainers.image.version=${{ matrix.version }} | |
| org.opencontainers.image.description=${{ env.description }} | |
| io.artifacthub.package.readme-url=https://raw.githubusercontent.com/ublue-os/cosmic/main/README.md | |
| io.artifacthub.package.logo-url=https://avatars.githubusercontent.com/u/120078124?s=200&v=4 | |
| - name: Install qemu dependency | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y qemu-user-static | |
| # Build image using Buildah action | |
| - name: Build Image | |
| id: build_image | |
| uses: redhat-actions/buildah-build@v2 | |
| with: | |
| containerfiles: | | |
| Containerfile | |
| image: cosmic-${{ matrix.flavor }} | |
| tags: | | |
| ${{ steps.generate-tags.outputs.alias_tags }} | |
| archs: ${{ matrix.arch }} | |
| build-args: | | |
| FEDORA_MAJOR_VERSION=${{ matrix.version }} | |
| SOURCE_IMAGE=${{ matrix.flavor }} | |
| oci: false | |
| # Workaround bug where capital letters in your GitHub username make it impossible to push to GHCR. | |
| # https://github.com/macbre/push-to-ghcr/issues/12 | |
| - name: Lowercase Registry | |
| id: registry_case | |
| uses: ASzc/change-string-case-action@v6 | |
| with: | |
| string: ${{ env.IMAGE_REGISTRY }} | |
| - name: Login to GitHub Container Registry | |
| uses: docker/login-action@v3 | |
| if: github.event_name != 'pull_request' | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| # Push the image to GHCR (Image Registry) | |
| - name: Push To GHCR | |
| uses: redhat-actions/push-to-registry@v2 | |
| if: github.event_name != 'pull_request' | |
| id: push | |
| with: | |
| registry: ${{ steps.registry_case.outputs.lowercase }} | |
| image: ${{ steps.build_image.outputs.image }} | |
| tags: ${{ steps.build_image.outputs.tags }} | |
| # Sign container | |
| - uses: sigstore/[email protected] | |
| if: github.event_name != 'pull_request' | |
| - name: Sign container image | |
| if: github.event_name != 'pull_request' | |
| run: | | |
| cosign sign -y --key env://COSIGN_PRIVATE_KEY ${{ steps.registry_case.outputs.lowercase }}/${{ steps.build_image.outputs.image }}@${TAGS} | |
| env: | |
| TAGS: ${{ steps.push.outputs.digest }} | |
| COSIGN_EXPERIMENTAL: false | |
| COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }} | |
| check: | |
| name: Check all builds successful | |
| if: ${{ !cancelled() }} | |
| runs-on: ubuntu-latest | |
| needs: [build] | |
| steps: | |
| - name: Exit on failure | |
| if: ${{ needs.build.result == 'failure' }} | |
| shell: bash | |
| run: exit 1 | |
| - name: Exit | |
| shell: bash | |
| run: exit 0 |