name: Build and Upload GCP CCM container image
env:
  REGISTRY: ghcr.io
on: [workflow_dispatch]

# Abort runs of *this* workflow, if a new commit with the same ref is pushed.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build-ccm-gcp:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    strategy:
      matrix:
        version: [v24.0.0, v23.0.0, v22.1.0]
        include:
          - version: v24.0.0
            latest: true
    steps:
      - uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
        with:
          repository: "kubernetes/cloud-provider-gcp"
          ref: refs/tags/ccm/${{ matrix.version }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@69f6fc9d46f2f8bf0d5491e4aabe0bb8c6a4678a
        with:
          images: |
            ${{ env.REGISTRY }}/edgelesssys/cloud-provider-gcp
          flavor: |
            latest=${{ matrix.latest || false }}
          tags: |
            type=semver,pattern=v{{version}},value=${{ matrix.version }}
            type=semver,pattern=v{{major}}.{{minor}},value=${{ matrix.version }}
            type=semver,pattern=v{{major}},value=${{ matrix.version }}

      - name: Log in to the Container registry
        id: docker-login
        uses: docker/login-action@49ed152c8eca782a232dede0303416e8f356c37b
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Install bazelisk
        run: |
          curl -sLO "https://github.com/bazelbuild/bazelisk/releases/download/v1.12.0/bazelisk-linux-amd64"
          mkdir -p "${GITHUB_WORKSPACE}/bin/"
          mv bazelisk-linux-amd64 "${GITHUB_WORKSPACE}/bin/bazel"
          chmod +x "${GITHUB_WORKSPACE}/bin/bazel"

      - name: Build CCM
        run: |
          "${GITHUB_WORKSPACE}/bin/bazel" build //cmd/cloud-controller-manager:cloud-controller-manager
      - name: Copy CCM
        run: |
          cp ./bazel-bin/cmd/cloud-controller-manager/linux_amd64_pure_stripped/cloud-controller-manager ./cloud-controller-manager
      - name: Prepare Dockerfile
        run: |
          cat > Dockerfile <<EOF
          FROM scratch
          COPY ./cloud-controller-manager /cloud-controller-manager
          EOF
      - name: Build and push container image
        id: build
        uses: docker/build-push-action@c84f38281176d4c9cdb1626ffafcd6b3911b5d94
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}