pr-build.yaml

name: Pull request Build

on:
  pull_request_target:
    types: [ opened, synchronize, reopened ]
    branches:
      - "main"
    paths-ignore:
      - 'branding/**'
      - 'design/**'
      - '.codespell-whitelist'
      - '.gitignore'
      - '.golangci.yml'
      - 'botkube-title.png'
      - 'botkube_arch.jpg'
      - 'CODE_OF_CONDUCT.md'
      - 'comm_config.yaml.tpl'
      - 'CONTRIBUTING.md'
      - 'LICENSE'
      - 'README.md'
      - 'global_config.yaml.tpl'

env:
  HELM_VERSION: v3.9.0
  K3D_VERSION: v5.4.6
  PR_NUMBER: ${{ github.event.pull_request.number }}
  IMAGE_REGISTRY: "ghcr.io"
  IMAGE_REPOSITORY: "kubeshop/pr/botkube"
  CFG_EXPORTER_IMAGE_REPOSITORY: "kubeshop/pr/botkube-config-exporter"
  IMAGE_TAG: ${{ github.event.pull_request.number }}-PR
  IMAGE_SAVE_LOAD_DIR: /tmp/botkube-images

jobs:

  save-image:
    name: Build and save Botkube image
    runs-on: ubuntu-latest

    permissions:
      contents: read

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          persist-credentials: false

      - name: Setup Go
        uses: actions/setup-go@v3
        with:
          go-version-file: 'go.mod'
          cache: true

      - name: Install GoReleaser
        uses: goreleaser/goreleaser-action@v2
        with:
          install-only: true
          version: latest

      - name: Save
        run: |
          make save-images

      - name: Upload artifact
        uses: actions/upload-artifact@v2
        with:
          name: botkube-${{github.sha}}
          path: ${{ env.IMAGE_SAVE_LOAD_DIR }}
          retention-days: 1

  push-image:
    name: Push images
    runs-on: ubuntu-latest
    needs: [ save-image ]

    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          persist-credentials: false

      - name: Download artifact
        uses: actions/download-artifact@v2
        with:
          name: botkube-${{github.sha}}
          path: ${{ env.IMAGE_SAVE_LOAD_DIR }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Push
        run: make load-and-push-images

      - name: Delete Docker image artifact
        uses: geekyeggo/delete-artifact@v1
        if: always()
        with:
          name: botkube-${{github.sha}}

      - name: Summary
        run: |
          cat > $GITHUB_STEP_SUMMARY << ENDOFFILE

          ### Botkube image published successfully! :rocket:
          To test Botkube with PR changes, run:

              gh pr checkout ${PR_NUMBER}
              helm install botkube -n botkube --create-namespace \\
              --set image.repository=${IMAGE_REPOSITORY} \\
              --set image.tag=${IMAGE_TAG} \\
              ./helm/botkube

          ENDOFFILE

  check-generated-resources:
    runs-on: ubuntu-latest
    # We want to check all generated resources and notify about all possible problems.
    continue-on-error: true

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          persist-credentials: false

      - name: Run generating gRPC resources
        run: make gen-grpc-resources

      - name: Detect git changes
        run: |
          if [[ $(git diff --stat) != '' ]]; then
            echo -e '❌ \033[0;31mGenerated gRPC resources are outdated. Run 'make gen-grpc-resources'.\033[0m'
            git diff --color
            exit 1
          fi

      - name: Run generating CLI docs
        run: make gen-docs-cli

      - name: Detect git changes
        run: |
          if [[ $(git diff --stat) != '' ]]; then
            echo -e '❌ \033[0;31mGenerated CLI docs are outdated. Run 'make gen-docs-cli'.\033[0m'
            git diff --color
            exit 1
          else
            echo '✔ No issues detected. Have a nice day :-)'
          fi

  integration-tests:
    name: Integration tests
    runs-on: ubuntu-latest
    needs: [ push-image ]

    permissions:
      contents: read
      packages: read

    strategy:
      # make the jobs independent
      fail-fast: false

      matrix:
        integration:
          - slack
          - discord

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          persist-credentials: false

      - name: Setup Go
        uses: actions/setup-go@v3
        with:
          go-version-file: 'go.mod'
          cache: true

      - name: Install Helm
        uses: azure/setup-helm@v1
        with:
          version: ${{ env.HELM_VERSION }}

      - name: Download k3d
        run: "wget -q -O - https://raw.githubusercontent.com/k3d-io/k3d/main/install.sh | TAG=${K3D_VERSION} bash"

      - name: Create cluster to test ${{ matrix.integration }}
        run: "k3d cluster create ${{ matrix.integration }}-test-cluster --wait --timeout=5m"

      - name: Install Botkube to test ${{ matrix.integration }}
        env:
          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
          DISCORD_BOT_TOKEN: ${{ secrets.DISCORD_BOT_TOKEN }}
          DISCORD_BOT_ID: ${{ secrets.DISCORD_BOT_ID }}
        run: |
          helm install botkube --namespace botkube ./helm/botkube --wait --create-namespace \
          -f ./helm/botkube/e2e-test-values.yaml \
          --set communications.default-group.slack.token="${SLACK_BOT_TOKEN}" \
          --set communications.default-group.discord.token="${DISCORD_BOT_TOKEN}" \
          --set communications.default-group.discord.botID="${DISCORD_BOT_ID}" \
          --set image.registry="${IMAGE_REGISTRY}" \
          --set image.repository="${IMAGE_REPOSITORY}" \
          --set image.tag="${IMAGE_TAG}" \

      - name: Install GoReleaser
        uses: goreleaser/goreleaser-action@v2
        with:
          install-only: true
          version: latest

      - name: Build all plugins into dist directory
        env:
          # we hardcode plugins version, so it's predictable in e2e tests
          GORELEASER_CURRENT_TAG: "v0.0.0-latest"
        run: |
          make build-plugins

      - name: Run ${{ matrix.integration }} tests
        env:
          SLACK_TESTER_APP_TOKEN: ${{ secrets.SLACK_TESTER_APP_TOKEN }}
          SLACK_ADDITIONAL_CONTEXT_MESSAGE: "Pull request: ${{ github.event.pull_request.number }} - https://github.com/kubeshop/botkube/pull/${{ github.event.pull_request.number }}"
          DISCORD_TESTER_APP_TOKEN: ${{ secrets.DISCORD_TESTER_APP_TOKEN }}
          DISCORD_GUILD_ID: ${{ secrets.DISCORD_GUILD_ID }}
          DISCORD_ADDITIONAL_CONTEXT_MESSAGE: "Pull request: ${{ github.event.pull_request.number }} - https://github.com/kubeshop/botkube/pull/${{ github.event.pull_request.number }}"
          PLUGINS_BINARIES_DIRECTORY: ${{ github.workspace }}/plugin-dist
        run: |
          KUBECONFIG=$(k3d kubeconfig write ${{ matrix.integration }}-test-cluster) \
            make test-integration-${{ matrix.integration }}