push-kbs-image-to-ghcr.yml

name: Build and Push KBS Image

on:
  push:
    branches:
      - main

jobs:
  build_and_push:
    permissions:
      packages: write
    strategy:
      fail-fast: false
      matrix:
        instance:
          - ubuntu-latest
          - s390x
        tag:
          - kbs
          - kbs-grpc-as
          - kbs-ita-as
        exclude:
          - instance: s390x
            tag: kbs-ita-as
        include:
          - tag: kbs
            docker_file: kbs/docker/Dockerfile
            https_crypto: openssl
            name: build-in AS
          - tag: kbs-grpc-as
            docker_file: kbs/docker/Dockerfile.coco-as-grpc
            https_crypto: rustls
            name: gRPC AS
          - tag: kbs-ita-as
            docker_file: kbs/docker/Dockerfile.intel-trust-authority
            https_crypto: rustls
            name: Intel Trust Authority AS

    runs-on: ${{ matrix.instance }}

    steps:
    - name: Take a pre-action for self-hosted runner
      run: |
        # NOTE: Use file checking instead triggering a step based on a runner type
        # to avoid updating the step for each new self-hosted runner.
        if [ -f "${HOME}/script/pre_action.sh" ]; then
          "${HOME}/script/pre_action.sh" cc-trustee
        fi

    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Login to GHCR Container Registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build Container Image KBS (${{ matrix.name }})
      run: |
        commit_sha=${{ github.sha }}
        arch=$(uname -m)
        https_crypto=${{ matrix.https_crypto }}
        [ "${arch}" = "s390x" ] && https_crypto=openssl
        DOCKER_BUILDKIT=1 docker build -f "${{ matrix.docker_file }}" --push \
          -t "ghcr.io/confidential-containers/staged-images/${{ matrix.tag }}:${commit_sha}-${arch}" \
          -t "ghcr.io/confidential-containers/staged-images/${{ matrix.tag }}:latest-${arch}" \
          --build-arg ARCH="${arch}" --build-arg HTTPS_CRYPTO="${https_crypto}" .

    - name: Take a post-action for self-hosted runner
      if: always()
      run: |
        # Please check out the note in the pre-action step for the reason of using file checking
        if [ -f "${HOME}/script/post_action.sh" ]; then
          "${HOME}/script/post_action.sh" cc-trustee
        fi

  publish_multi_arch_image:
    needs: build_and_push
    strategy:
      fail-fast: false
      matrix:
        image:
          - kbs
          - kbs-grpc-as
    permissions:
      packages: write
    runs-on: ubuntu-latest

    steps:
    - name: Login to GHCR Container Registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Publish Multi-Arch ${{ matrix.image }} image
      run: |
        commit_sha=${{ github.sha }}
        docker manifest create "ghcr.io/confidential-containers/staged-images/${{ matrix.image }}:${commit_sha}" \
          --amend "ghcr.io/confidential-containers/staged-images/${{ matrix.image }}:${commit_sha}-x86_64" \
          --amend "ghcr.io/confidential-containers/staged-images/${{ matrix.image }}:${commit_sha}-s390x"
        docker manifest push "ghcr.io/confidential-containers/staged-images/${{ matrix.image }}:${commit_sha}"
        docker manifest create "ghcr.io/confidential-containers/staged-images/${{ matrix.image }}:latest" \
          --amend "ghcr.io/confidential-containers/staged-images/${{ matrix.image }}:latest-x86_64" \
          --amend "ghcr.io/confidential-containers/staged-images/${{ matrix.image }}:latest-s390x"
        docker manifest push "ghcr.io/confidential-containers/staged-images/${{ matrix.image }}:latest"