ci.yml

name: CI Pipeline

on:
  push:
    branches: [ main ]
    tags: [ "*.*.*" ]
  pull_request:
    branches: [ main ]

env:
  REGISTRY: ghcr.io

jobs:
  validate:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install dependencies
        run: |
          pip install pipenv
          pipenv install --dev

      - name: Run tests
        run: pipenv run python3 -m pytest --junitxml=test-results.xml

      - name: Validate Python code with flake8
        run: pipenv run python3 -m flake8 --select BLK **/*.py

      - name: Upload test results
        uses: actions/upload-artifact@v3
        with:
          name: test-results
          path: test-results.xml

  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
            base: distroless
          - platform: linux/arm/v6
            base: alpine
          - platform: linux/arm/v7
            base: alpine
          - platform: linux/arm64
            base: distroless
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - id: lower-repo
        run: |
          echo "IMAGE_NAME=${GITHUB_REPOSITORY@L}" >> $GITHUB_OUTPUT
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.IMAGE_NAME }}
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Log in to the Container registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ matrix.platform }}
          file: ./Dockerfile
          push: ${{ github.event_name != 'pull_request' }}
          outputs: type=image,name=${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=${{ github.event_name != 'pull_request' }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            BASE=${{ matrix.base }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
      - name: Export digest
        if: github.event_name != 'pull_request'
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"
      - name: Upload digest
        if: github.event_name != 'pull_request'
        uses: actions/upload-artifact@v3
        with:
          name: digests
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    needs: [build]
    permissions:
      contents: read
      packages: write
    steps:
      - name: Download digests
        uses: actions/download-artifact@v3
        with:
          name: digests
          path: /tmp/digests
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - id: lower-repo
        run: |
          echo "IMAGE_NAME=${GITHUB_REPOSITORY@L}" >> $GITHUB_OUTPUT
      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.IMAGE_NAME }}
      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.IMAGE_NAME }}@sha256:%s ' *)
      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.IMAGE_NAME }}:${{ steps.meta.outputs.version }}

  build-addon:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
          - platform: linux/arm64
          - platform: linux/arm/v7
          - platform: linux/arm/v6
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - id: lower-repo
        run: |
          echo "ADDON_IMAGE_NAME=${GITHUB_REPOSITORY@L}-addon" >> $GITHUB_OUTPUT
      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.ADDON_IMAGE_NAME }}
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Log in to Container registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v5
        with:
          context: ./ha_addon
          platforms: ${{ matrix.platform }}
          file: ha_addon/Dockerfile
          push: ${{ github.event_name != 'pull_request' }}
          outputs: type=image,name=${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.ADDON_IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=${{ github.event_name != 'pull_request' }}
          build-args: |
            BUILD_FROM=ghcr.io/hassio-addons/base:14.2.2
          cache-from: type=gha
          cache-to: type=gha,mode=max
          labels: ${{ steps.meta.outputs.labels }}
      - name: Export digest
        if: github.event_name != 'pull_request'
        run: |
          mkdir -p /tmp/addon-digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/addon-digests/${digest#sha256:}"
      - name: Upload digest
        if: github.event_name != 'pull_request'
        uses: actions/upload-artifact@v3
        with:
          name: addon-digests
          path: /tmp/addon-digests/*
          if-no-files-found: error
          retention-days: 1

  merge-addon:
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    needs: [build-addon]
    permissions:
      contents: read
      packages: write
    steps:
      - name: Download digests
        uses: actions/download-artifact@v3
        with:
          name: addon-digests
          path: /tmp/addon-digests
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - id: lower-repo
        run: |
          echo "ADDON_IMAGE_NAME=${GITHUB_REPOSITORY@L}-addon" >> $GITHUB_OUTPUT
      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.ADDON_IMAGE_NAME }}
      - name: Log in to Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Create manifest list and push
        working-directory: /tmp/addon-digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.ADDON_IMAGE_NAME }}@sha256:%s ' *)
      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ steps.lower-repo.outputs.ADDON_IMAGE_NAME }}:${{ steps.meta.outputs.version }}