Build and Upload GCP guest-agent container #93
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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-22.04 | |
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@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7 | |
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@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7 | |
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@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1 | |
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@ca052bb54ab0790a636c9b5f226502c73d547a25 # v5.4.0 | |
with: | |
context: ./guest-agent | |
file: ./constellation/3rdparty/gcp-guest-agent/Dockerfile | |
push: true | |
tags: ${{ steps.meta.outputs.tags }} | |
labels: ${{ steps.meta.outputs.labels }} |