action.yml

name: "Build Osctrl Docker images"
description: "Build Osctrl Docker images"
inputs:
  go_os:
    required: true
    description: Define the OS to compile binary for - https://pkg.go.dev/internal/goos
  go_arch:
    required: true
    description: Define the architecture to compile binary for - https://pkg.go.dev/internal/goarch
  osctrl_component:
    required: true
    description: Define the osctrl component to compile
  commit_sha:
    required: true
    description: Define the SHA1 git commit hash
  docker_hub_org:
    required: true
    description: Pass DockerHub org to action
  docker_hub_username:
    required: true
    description: Pass DockerHub username to action
  docker_hub_access_token:
    required: true
    description: Pass DockerHub access token to action

outputs:
  docker_image_digest:
    description: Dockerhub image digest
    value: ${{ toJson(steps.docker_build.outputs.digest) }}

runs:
  using: "composite"
  steps:
    ########################### Checkout code ###########################
    - name: Checkout code
      uses: actions/checkout@v4.1.1
      with:
        fetch-depth: 2

    ########################### Download osctrl binary ###########################
    - name: Download osctrl binary
      uses: actions/download-artifact@v4.1.2
      with:
        name: osctrl-${{ inputs.osctrl_component }}-${{ inputs.commit_sha }}-${{ inputs.go_os }}-${{ inputs.go_arch }}.bin

    ########################### Copy binary to prepare for Docker ###########################
    - name: Copy binary to prepare for Docker
      shell: bash
      run: |
        cp \
        osctrl-${{ inputs.osctrl_component }}-${{ inputs.commit_sha }}-${{ inputs.go_os }}-${{ inputs.go_arch }}.bin \
        osctrl-${{ inputs.osctrl_component }}-${{ inputs.go_os }}-${{ inputs.go_arch }}.bin

    ########################### Add meta data for containers ###########################
    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ inputs.docker_hub_org }}/osctrl-${{ inputs.osctrl_component }}
        labels: |
          org.opencontainers.image.title=osctrl-${{ inputs.osctrl_component }}
        tags: |
            type=sha,prefix=,format=short
            type=match,pattern=v(.*),group=1

    ########################### Log into Dockerhub ###########################
    - name: Login to Docker Hub
      uses: docker/login-action@v3.0.0
      with:
        username: ${{ inputs.docker_hub_username }}
        password: ${{ inputs.docker_hub_access_token }}

    # ########################### Setup QEMU ###########################
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v3

    ########################### Setup Docker ###########################
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3.0.0

    ########################### Build and Push Docker images ###########################
    - name: Build and push
      uses: docker/build-push-action@v5.1.0
      id: docker_build
      with:
        context: .
        file: ./deploy/cicd/docker/Dockerfile-osctrl-${{ inputs.osctrl_component }}
        push: true
        labels: ${{ steps.meta.outputs.labels }}
        platforms: "${{ inputs.go_os }}/${{ inputs.go_arch  }}"
        outputs: type=image,name=${{ inputs.docker_hub_org }}/osctrl-${{ inputs.osctrl_component }},push-by-digest=true,name-canonical=true,push=true
        build-args: |
          COMPONENT=${{ inputs.osctrl_component }}
          GOOS=${{ inputs.go_os }}
          GOARCH=${{ inputs.go_arch }}

    ########################### Export image digest to tmp ###########################
    - name: Export digest
      shell: bash
      run: |
        mkdir -p /tmp/digests
        digest="${{ steps.docker_build.outputs.digest }}"
        touch "/tmp/digests/${digest#sha256:}"

    ########################### Upload digest ###########################
    - name: Upload digest
      uses: actions/upload-artifact@v4.3.1
      with:
        name: digests-osctrl-${{ inputs.osctrl_component }}-${{ inputs.go_os }}-${{ inputs.go_arch }}
        path: /tmp/digests/*
        if-no-files-found: error
        retention-days: 1