grafana-docker.yml

# This is a basic workflow to help you get started with Actions

name: grafana Build

# Controls when the action will run. 
on:
  # Triggers the workflow on push or pull request events but only for the master branch
  push:
    branches: [ main ]
    tags:
     - "v*"
    paths:
     - .github/workflows/grafana-docker.yml
     - grafana/**


# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  vwsfriend-grafana:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            tillsteinbach/vwsfriend-grafana
            ghcr.io/tillsteinbach/vwsfriend-grafana
          tags: |
            type=edge,
            type=pep440,pattern={{version}}
      - name: Version from pushed tag
        if: startsWith( github.ref, 'refs/tags/v' )
        run: |
          # from refs/tags/v1.2.3 get 1.2.3
          echo "version=$(echo $GITHUB_REF | sed 's#.*/v##')" >> $GITHUB_ENV
      - name: Autobump version
        if: startsWith( github.ref, 'refs/tags/v' )
        working-directory: grafana
        run: |
          PLACEHOLDER="        \"content\": \"VWsFriend version: \[0.0.0dev\](https://github.com/tillsteinbach/VWsFriend/)\","
          REPLACEMENT="        \"content\": \"VWsFriend version: \[${{ env.version }}\](https://github.com/tillsteinbach/VWsFriend/releases/tag/v${{ env.version }})\","
          VERSION_FILE="dashboards/vwsfriend/VWsFriend/overview.json"
          # ensure the placeholder is there. If grep doesn't find the placeholder
          # it exits with exit code 1 and github actions aborts the build. 
          grep "$PLACEHOLDER" "$VERSION_FILE"
          sed -i "s|$PLACEHOLDER|$REPLACEMENT|g" "$VERSION_FILE"
          grep "$REPLACEMENT" "$VERSION_FILE"
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3.6.1
      - name: Login to DockerHub
        uses: docker/login-action@v3.3.0
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3.3.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v6.7.0
        with:
          context: grafana
          push: ${{ github.event_name != 'pull_request' }}
          platforms: linux/amd64,linux/arm/v7,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max