docker-publish.yml

name: Docker-publish

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.


on:
  release:
    types:
      - published
  push:
    branches:
      - main
      - 'releases/**'


env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}


jobs:
  build:

    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Split fhempy Version
        id: split_fhempyV
        run: |
          echo "::set-output name=result::$(grep '^fhempy' requirements.txt | cut -d '=' -f3)"
      
      - name: Find String
        id: extract_image
        run: |
           echo "::set-output name=image_name::$(grep '^FROM' Dockerfile | cut -d ' ' -f2 | cut -d ':' -f1)"
           echo "::set-output name=image_version::$(grep '^FROM' Dockerfile | cut -d ' ' -f2 | cut -d ':' -f2)"
      
      - name: Update docs
        if: ${{ github.event_name == 'release' }}
        run: |
            sed -e "s/{FHEMPY_VERSION}/${{ steps.split_fhempyV.outputs.result}}/" -e "s/{PYTHON_VERSION}/${{ steps.extract_image.outputs.image_version}}/" -e "s/{DEBIAN_RELEASE}/buster/" -e s/{IMAGE_TAG}/${{ github.ref_name }}/ < README.tmpl > README.md

      # Install the cosign tool except on PR
      # https://github.com/sigstore/cosign-installer
      - name: Install cosign
        if: github.event_name == 'release'
        uses: sigstore/cosign-installer@v2.8.1
        with:
          cosign-release: 'v1.9.0'

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

      - name: Build image and run integrationtests (amd64)
        id: build_and_run_integrationtests
        uses: ./.github/actions/integrationtest
        with:
           PLATTFORM: linux/amd64
           FHEMPY_VERSION: ${{ steps.split_fhempyV.outputs.result }}

      # Login against a Docker registry if it is a release
      # https://github.com/docker/login-action
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name == 'release'
        uses: docker/login-action@v2.1.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5.2.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      # Build and push Docker image with Buildx (don't push if it is not a release)
      # https://github.com/docker/build-push-action
      - name: Build base image for all plattforms
        id: build_base_cross
        uses: docker/build-push-action@v4.1.0
        with:
          context: .
          platforms: linux/amd64,linux/arm/v5
          push: false
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: |
            type=gha,scope=verify_base_linux/amd64
            type=gha,scope=verify_base_cross
          cache-to: type=gha,mode=max,scope=verify_base_cross
          build-args: FHEMPY_V=${{ steps.split_fhempyV.outputs.result}}
          target: base

      - name: Build and push Docker image for all plattforms
        uses: docker/build-push-action@v4.1.0
        id: docker_build_runtime_cross
        with:
          context: .
          platforms: linux/amd64,linux/arm/v5
          push: ${{ github.event_name == 'release' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: | 
            type=gha,scope=verify_base_cross
            type=gha,scope=verify_runtime_linux/amd64
            type=gha,scope=publish_runtime_cross
          cache-to: type=gha,mode=max,scope=publish_runtime_cross
          build-args: FHEMPY_V=${{ steps.split_fhempyV.outputs.result}}
          target: runtime

      # Sign the resulting Docker image digest except on PRs.
      # This will only write to the public Rekor transparency log when the Docker
      # repository is public to avoid leaking data.  If you would like to publish
      # transparency data even for private images, pass --force to cosign below.
      # https://github.com/sigstore/cosign
      - name: Sign the published Docker image
        if: ${{ github.event_name == 'release' }}
        env:
          COSIGN_EXPERIMENTAL: "true"
        # This step uses the identity token to provision an ephemeral certificate
        # against the sigstore community Fulcio instance.
        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.docker_build_runtime_cross.outputs.digest }}
      
      - name: git commit README.md 
        id: commit
        if: ${{ github.event_name == 'release' }}
        run: |
          git config --global user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git commit -m "README.md: Update Versions" -a && echo "::set-output name=status::true" || true
      
      - name: Push back to protected branch (main)
        uses: CasperWA/push-protected@v2
        if: ${{ github.event_name == 'release' }}
        with:
          token: ${{ secrets.BOT_PUSH_TOKEN }}
          branch: main
          #unprotect_reviews: true