name: Build and Upload GCP guest-agent container
env:
  REGISTRY: ghcr.io
on: [workflow_dispatch]

jobs:
  build-gcp-guest-agent:
    runs-on: ubuntu-22.04
    permissions:
      contents: read
      packages: write
    strategy:
      matrix:
        version: ["20220927.00"]
        include:
          - version: "20220927.00"
            latest: true
    steps:
      - name: Checkout GoogleCloudPlatform/guest-agent
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
        with:
          repository: "GoogleCloudPlatform/guest-agent"
          ref: refs/tags/${{ matrix.version }}
          path: "guest-agent"

      - name: Checkout Constellation
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
        with:
          path: "constellation"
          ref: ${{ !github.event.pull_request.head.repo.fork && github.head_ref || '' }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@507c2f2dc502c992ad446e3d7a5dfbe311567a96 # v4.3.0
        with:
          images: |
            ${{ env.REGISTRY }}/edgelesssys/gcp-guest-agent
          flavor: |
            latest=${{ matrix.latest || false }}
          tags: |
            type=raw,value=${{ matrix.version }}

      - name: Log in to the Container registry
        id: docker-login
        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # tag=v2.1.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Prepare hardcoded configuration file
        run: |
          cp "${GITHUB_WORKSPACE}/constellation/3rdparty/gcp-guest-agent/instance_configs.cfg" "${GITHUB_WORKSPACE}/guest-agent/"

      - name: Build and push container image
        id: build
        uses: docker/build-push-action@1104d471370f9806843c095c1db02b5a90c5f8b6 # v3.3.1
        with:
          context: ./guest-agent
          file: ./constellation/3rdparty/gcp-guest-agent/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}