Build and Upload GCP guest-agent container #113
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| name: Build and Upload GCP guest-agent container | |
| on: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: "0 4 * * 2" # Every Tuesday at 4am UTC | |
| env: | |
| REGISTRY: ghcr.io | |
| jobs: | |
| build-gcp-guest-agent: | |
| runs-on: ubuntu-24.04 | |
| permissions: | |
| contents: read | |
| packages: write | |
| steps: | |
| - name: Get latest release of guest-agent | |
| id: latest-release | |
| run: | | |
| latest=$(curl -fsSL https://api.github.com/repos/GoogleCloudPlatform/guest-agent/releases/latest | jq -r .tag_name) | |
| echo "Latest version of guest-agent is $latest" | |
| echo "latest=$latest" | tee -a "$GITHUB_OUTPUT" | |
| - name: Make tag a valid semver | |
| id: latest-release-semver | |
| run: | | |
| semver="${{ steps.latest-release.outputs.latest }}" | |
| beforeDot="${semver%%.*}" | |
| afterDot="${semver#*.}" | |
| afterDotEvaluated=$((afterDot)) | |
| semver="v${beforeDot}.${afterDotEvaluated}.0" | |
| echo "Semver tag of guest-agent is $semver" | |
| echo "latest=$semver" | tee -a "$GITHUB_OUTPUT" | |
| - name: Check if the tag is newer than our last build | |
| id: needs-build | |
| run: | | |
| apiURL="https://ghcr.io/v2/edgelesssys/gcp-guest-agent" | |
| tokenJSON=$(curl -fsSL "https://ghcr.io/token?scope=repository:edgelesssys/gcp-guest-agent:pull") | |
| token=$(jq -r '.token' <<< "$tokenJSON") | |
| tokenHeader=(-H "Authorization: Bearer ${token}") | |
| tags=$(curl -fsSL "${tokenHeader[@]}" "${apiURL}/tags/list") | |
| semverUpstream="${{ steps.latest-release-semver.outputs.latest }}" | |
| rebuild=false | |
| if [[ $(jq -r '.tags | index("latest")' <<< "$tags") == 'null' ]]; then | |
| rebuild=true | |
| elif [[ $(jq -r '.tags | index("${{ steps.latest-release-semver.outputs.latest }}")' <<< "$tags") == 'null' ]]; then | |
| rebuild=true | |
| else | |
| digestLatest=$(curl -fsSL "${tokenHeader[@]}" "${apiURL}/manifests/latest" | jq -r '.config.digest') | |
| digestSemver=$(curl -fsSL "${tokenHeader[@]}" "${apiURL}/manifests/${semverUpstream}" | jq -r '.config.digest') | |
| if [[ "$digestLatest" != "$digestSemver" ]]; then | |
| rebuild=true | |
| fi | |
| fi | |
| if [[ $rebuild == false ]]; then | |
| echo "Latest tag $latestTag is already built, exiting" | |
| echo "out=false" | tee -a "$GITHUB_OUTPUT" | |
| exit 0 | |
| fi | |
| echo "Latest tag $latestTag is older than ${semverUpstream}, building" | |
| echo "out=true" | tee -a "$GITHUB_OUTPUT" | |
| - name: Checkout GoogleCloudPlatform/guest-agent | |
| if: steps.needs-build.outputs.out == 'true' | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| repository: "GoogleCloudPlatform/guest-agent" | |
| ref: refs/tags/${{ steps.latest-release.outputs.latest }} | |
| path: "guest-agent" | |
| - name: Checkout Constellation | |
| if: steps.needs-build.outputs.out == 'true' | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| path: "constellation" | |
| ref: ${{ !github.event.pull_request.head.repo.fork && github.head_ref || '' }} | |
| - name: Docker meta | |
| id: meta | |
| if: steps.needs-build.outputs.out == 'true' | |
| uses: docker/metadata-action@369eb591f429131d6889c46b94e711f089e6ca96 # v5.6.1 | |
| with: | |
| images: | | |
| ${{ env.REGISTRY }}/edgelesssys/gcp-guest-agent | |
| flavor: | | |
| latest=false | |
| tags: | | |
| type=raw,value=${{ steps.latest-release-semver.outputs.latest }} | |
| type=raw,value=${{ github.ref_name }},enable=${{ github.ref_name != 'main' }} | |
| type=sha,value=${{ github.sha }} | |
| type=raw,value=latest,enable=${{ github.ref_name == 'main' }} | |
| - name: Log in to the Container registry | |
| id: docker-login | |
| if: steps.needs-build.outputs.out == 'true' | |
| uses: ./constellation/.github/actions/container_registry_login | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Prepare hardcoded configuration file | |
| if: steps.needs-build.outputs.out == 'true' | |
| run: | | |
| cp "${GITHUB_WORKSPACE}/constellation/3rdparty/gcp-guest-agent/instance_configs.cfg" "${GITHUB_WORKSPACE}/guest-agent/" | |
| - name: Build and push container image | |
| if: steps.needs-build.outputs.out == 'true' | |
| id: build | |
| uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v6.10.0 | |
| with: | |
| context: ./guest-agent | |
| file: ./constellation/3rdparty/gcp-guest-agent/Dockerfile | |
| push: true | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} |