tii-depthai-ctrl.yaml

name: tii-depthai-ctrl

on:
  push:
  pull_request:
  workflow_dispatch:
    inputs:
      build_amd64:
        description: 'Build for AMD64'
        required: true
        default: true
        type: boolean
      build_arm64:
        description: 'Build for ARM64'
        required: true
        default: false
        type: boolean
      build_riscv64:
        description: 'Build for RISCV64'
        required: true
        default: false
        type: boolean

permissions:
  contents: read
  packages: write

env:
  REGISTRY_IMAGE: ghcr.io/tiiuae/tii-depthai-ctrl

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - id: set-matrix
        run: |
          default_branch="${{ github.event.repository.default_branch }}"
          matrix_list=()

          if [[ "${{ github.event_name }}" == "push" && "${{ github.ref }}" == "refs/heads/$default_branch" ]]; then
            matrix_list=("amd64" "arm64" "riscv64")
          elif [[ "${{ github.event_name }}" == "pull_request" && "${{ github.base_ref }}" == "$default_branch" ]]; then
            matrix_list=("amd64" "arm64" "riscv64")
          elif [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
            if [[ "${{ github.event.inputs.build_amd64 }}" == 'true' ]]; then
            matrix_list+=("amd64")
            fi
            if [[ "${{ github.event.inputs.build_arm64 }}" == 'true' ]]; then
            matrix_list+=("arm64")
            fi
            if [[ "${{ github.event.inputs.build_riscv64 }}" == 'true' ]]; then
            matrix_list+=("riscv64")
            fi
          else
            # Maybe push or some other trigger
            matrix_list=("amd64")
          fi

          matrix_json="{\"include\": ["
          for platform in "${matrix_list[@]}"; do
            matrix_json+="{\"platform\":\"$platform\"},"
          done
          matrix_json="${matrix_json%,}]}"
          echo "matrix=${matrix_json}" >> $GITHUB_OUTPUT
          echo $matrix_json

  build:
    needs: prepare
    runs-on: ubuntu-latest
    strategy:
      matrix: ${{fromJson(needs.prepare.outputs.matrix)}}
    outputs:
      short_git_sha: ${{ steps.vars.outputs.SHORT_GIT_SHA }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Setup QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: ${{ matrix.platform }}

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

      - name: Set short git commit SHA
        id: vars
        run: |
          calculatedSha=$(git rev-parse --short ${{ github.sha }})
          echo "SHORT_GIT_SHA=$calculatedSha" >> $GITHUB_OUTPUT

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          tags: |
            type=ref,event=branch,suffix=-${{ matrix.platform }}
            type=ref,event=pr,suffix=-${{ matrix.platform }}
            type=semver,pattern={{version}},suffix=-${{ matrix.platform }}
            type=sha,suffix=-${{ matrix.platform }}
            type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) && matrix.platform == 'amd64' }}

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

      - name: Build container image and push
        uses: docker/build-push-action@v5
        with:
          context: .
          file: Dockerfile
          platforms: linux/${{ matrix.platform }}
          pull: true
          push: true
          no-cache: false
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          provenance: false

  merge:
    runs-on: ubuntu-latest
    needs:
      - prepare
      - build
    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create combined image
        run : |
            AMEND_LIST=""
            for platform in $(echo '${{ needs.prepare.outputs.matrix }}' | jq -r '.include[].platform'); do
              echo "Adding ${{ env.REGISTRY_IMAGE }}:sha-${{ needs.build.outputs.short_git_sha }}-$platform to the amend list"
              AMEND_LIST+="--amend ${{ env.REGISTRY_IMAGE }}:sha-${{ needs.build.outputs.short_git_sha }}-$platform "
            done
            docker manifest create ${{ env.REGISTRY_IMAGE }}:sha-${{ needs.build.outputs.short_git_sha }} $AMEND_LIST

      - name: Push image to the registry
        run: |
          docker manifest push ${{ env.REGISTRY_IMAGE }}:sha-${{ needs.build.outputs.short_git_sha }}