Build FCOS #33
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| # Adapted from https://github.com/ItalyPaleAle/fcos-layers/blob/main/.github/workflows/build-containers.yaml | |
| # This builds a single image called "fcos" which contains all the additional layers I want in my setup. | |
| # | |
| name: "Build FCOS" | |
| on: | |
| schedule: | |
| # https://crontab.guru/#00_01_*_*_1 | |
| - cron: '00 01 * * 1' | |
| # To enable rebuilding every time a commit is pushed to main | |
| # push: | |
| # branches: [ "main" ] | |
| workflow_dispatch: | |
| env: | |
| REGISTRY: ghcr.io | |
| # github.repository as <account>/<repo> | |
| IMAGE_NAME: ${{ github.repository }} | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| packages: write | |
| # This is used to complete the identity challenge | |
| # with sigstore/fulcio when running outside of PRs. | |
| id-token: write | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v3 | |
| # Ensure that IMAGE_NAME is all lowercase | |
| - name: Lowercase IMAGE_NAME | |
| run: | | |
| echo "IMAGE_NAME=${IMAGE_NAME,,}" >>${GITHUB_ENV} | |
| # Gets the version of Fedora distribution used in the Fedora CoreOS base image | |
| - name: Set BUILDER_VERSION | |
| run: | | |
| echo "BUILDER_VERSION=$(curl -s "https://builds.coreos.fedoraproject.org/streams/stable.json" | jq -r '.architectures.x86_64.artifacts.metal.release' | cut -d '.' -f 1)" >> "$GITHUB_ENV" | |
| # Install the cosign tool | |
| # https://github.com/sigstore/cosign-installer | |
| - name: Install cosign | |
| uses: sigstore/cosign-installer@main | |
| # with: # Use latest | |
| # cosign-release: 'v2.2.0' | |
| # Add support for building for other platforms with QEMU | |
| # https://github.com/docker/setup-qemu-action | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v3.0.0 | |
| with: | |
| platforms: "linux/amd64,linux/arm64" | |
| # Set up BuildKit Docker container builder to be able to build multi-platform images and export cache | |
| # https://github.com/docker/setup-buildx-action | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0 | |
| # Login against a Docker registry | |
| # https://github.com/docker/login-action | |
| - name: Log into registry ${{ env.REGISTRY }} | |
| uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| # Extract metadata for Docker image for base | |
| # https://github.com/docker/metadata-action | |
| - name: "Extract metadata" | |
| id: meta | |
| uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/fcos | |
| tags: | | |
| type=raw,value=stable,enable={{is_default_branch}} | |
| type=raw,value=latest,enable={{is_default_branch}} | |
| type=schedule,pattern={{date 'YYYYMMDD'}} | |
| # Build and push Docker image for base | |
| # For linux/amd64 only | |
| # https://github.com/docker/build-push-action | |
| - name: "Build and push" | |
| id: build-and-push-zfs | |
| uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0 | |
| with: | |
| context: ./build/fcos-zfs | |
| push: true | |
| # NOTE: ARM64 takes too long to run on github free agents. (5+ hours): Must be built by an ARM64 host. | |
| platforms: "linux/amd64" | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| file: ./build/fcos-zfs/Dockerfile | |
| cache-from: type=gha | |
| cache-to: type=gha,mode=max | |
| # Sign the resulting Docker images digests. | |
| # This will only write to the public Rekor transparency log when the Docker repository is public to avoid leaking data. | |
| # https://github.com/sigstore/cosign | |
| - name: "Sign images" | |
| env: | |
| # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable | |
| TAGS: ${{ steps.meta.outputs.tags }} | |
| DIGEST: ${{ steps.build-and-push-zfs.outputs.digest }} | |
| # This step uses the identity token to provision an ephemeral certificate against the sigstore community Fulcio instance. | |
| run: | | |
| echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST} |