package-backend-variant.yml

name: package-backend-variant

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

on:
  workflow_dispatch:
    inputs:
      variantName:
        description: 'Variant Name'     
        required: true
        default: 'internal'
      baseVersion:
        description: 'Version of Base Image and Repository Tag; example: 0.14.80'
        required: true
      pluginsBackend: 
        description: "Backend-Plugin spec; example: OKPluginGenericJSONIngest:0.14.80;OKPluginActiveDirectoryXMLIngest:0.14.80;"
        required: true
      runSystemTests:
        description: "Whether or not to run system tests after a successful image build/publish; \"true\" or \"false\""
        required: true

jobs:
  build-publish-variant-backend:
    runs-on: ubuntu-20.04
    env:
      VARIANT_NAME: ${{ github.event.inputs.variantName }}
      BASE_VERSION: ${{ github.event.inputs.baseVersion }}
      PLUGINS_BACKEND: ${{ github.event.inputs.pluginsBackend }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
        with:
          ref: ${{ env.BASE_VERSION }}
      - name: Log in to the Container registry
        uses: docker/login-action@v1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Set final backend version
        run: |
          # create plugin hash from plugins string
          PLUGIN_HASH=`echo $PLUGINS_BACKEND | md5sum | cut -f1 -d" " | cut -c1-10`

          # NOTE: according to semver, we should use a '+', followed by the plugin hash to specify the "build-metadata"
          # but docker image tags do not allow '+', so we use a '-' instead
          echo "FINAL_VERSION_BACKEND=${BASE_VERSION}-${PLUGIN_HASH}" >> $GITHUB_ENV
      - name: Extract metadata (tags, labels) for docker backend
        id: meta_backend
        uses: docker/metadata-action@v3
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/variants/backend/${{ env.VARIANT_NAME }}
          tags: |
            type=raw,value=${{ env.FINAL_VERSION_BACKEND }}
          flavor: |
            latest=true
      - name: Setup backend build
        run: |
          mkdir -p build-backend
          cp backend/Omnikeeper/Dockerfile_AddedOKPlugins build-backend/Dockerfile
      - name: Download backend plugins
        run: |
          echo "Fetching plugins..."
          mkdir -p build-backend/OKPlugins
          plugins=$(echo $PLUGINS_BACKEND | tr ";" "\n")
          for plugin in $plugins
          do
              pluginArray=(`echo $plugin | tr ":" "\n"`)
              pluginName=${pluginArray[0]}
              pluginVersion=${pluginArray[1]}
              echo "Fetching plugin '$pluginName' version $pluginVersion"
              curl --fail -L -u ${{ github.actor }}:${{ secrets.GITHUB_TOKEN }} https://nuget.pkg.github.com/max-bytes/download/$pluginName/$pluginVersion/$pluginName.$pluginVersion.nupkg --output build-backend/OKPlugins/$pluginName-$pluginVersion.nupkg
          done
          echo "Done fetching plugins"
      - name: Build and push backend Docker image
        uses: docker/build-push-action@v2
        with:
          context: "./build-backend"
          file: "./build-backend/Dockerfile"
          push: true
          build-args: |
            base_image=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/core/backend:${{ env.BASE_VERSION }}
          tags: ${{ steps.meta_backend.outputs.tags }}
          labels: ${{ steps.meta_backend.outputs.labels }}
      - name: "Invoke system tests"
        uses: benc-uk/workflow-dispatch@v1
        if: github.event.inputs.runSystemTests == 'true'
        with:
          workflow: run-system-tests
          token: ${{ secrets.PAT }}