name: Pull Request

on:
  pull_request_target:
    branches:
      - master

env:
  DOCKER_FILE_PATH: Dockerfile
  KUBERNETES_VERSION: "1.18.0"
  KIND_VERSION: "0.10.0"
  REGISTRY: ghcr.io

jobs:
  qa:
    uses: stakater/.github/.github/workflows/pull_request_doc_qa.yaml@v0.0.43
    with:
      MD_CONFIG: .github/md_config.json
      DOC_SRC: README.md docs
      MD_LINT_CONFIG: .markdownlint.yaml
  build:
    runs-on: ubuntu-latest
    name: Build
    if: "! contains(toJSON(github.event.commits.*.message), '[skip-ci]')"
    steps:
    - name: Check out code
      uses: actions/checkout@v3
      with:
        ref: ${{github.event.pull_request.head.sha}}

    # Setting up helm binary
    - name: Set up Helm
      uses: azure/setup-helm@v3

    - name: Helm chart unit tests
      uses: d3adb5/helm-unittest-action@v2
      with:
        charts: deployments/kubernetes/chart/reloader

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version-file: 'go.mod'
        check-latest: true
        cache: true

    - name: Install Dependencies
      run: |
        make install

    - name: Run golangci-lint
      uses: golangci/golangci-lint-action@v3
      with:
        version: v1.51.1
        only-new-issues: false
        args: --timeout 10m

    - name: Helm Lint
      run: |
        cd deployments/kubernetes/chart/reloader
        helm lint

    - name: Install kubectl
      run: |
        curl -LO "https://storage.googleapis.com/kubernetes-release/release/v${KUBERNETES_VERSION}/bin/linux/amd64/kubectl"
        sudo install ./kubectl /usr/local/bin/ && rm kubectl
        kubectl version --short --client
        kubectl version --short --client | grep -q ${KUBERNETES_VERSION}

    - name: Install Kind
      run: |
        curl -L -o kind https://github.com/kubernetes-sigs/kind/releases/download/v${KIND_VERSION}/kind-linux-amd64
        sudo install ./kind /usr/local/bin && rm kind
        kind version
        kind version | grep -q ${KIND_VERSION}

    - name: Create Kind Cluster
      run: |
        kind create cluster
        kubectl cluster-info

    - name: Test
      run: make test

    - name: Generate Tag
      id: generate_tag
      run: |
        sha=${{ github.event.pull_request.head.sha }}
        tag="SNAPSHOT-PR-${{ github.event.pull_request.number }}-${sha:0:8}"
        echo "GIT_TAG=$(echo ${tag})" >> $GITHUB_OUTPUT

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Login to Docker Registry
      uses: docker/login-action@v2
      with:
        username: ${{ secrets.STAKATER_DOCKERHUB_USERNAME }}
        password: ${{ secrets.STAKATER_DOCKERHUB_PASSWORD }}

    - name: Generate image repository path for Docker registry
      run: |
        echo DOCKER_IMAGE_REPOSITORY=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV

    - name: Build and Push Docker Image to Docker registry
      uses: docker/build-push-action@v4
      with:
        context: .
        file: ${{ env.DOCKER_FILE_PATH  }}
        pull: true
        push: true
        build-args: BUILD_PARAMETERS=${{ env.BUILD_PARAMETERS }}
        cache-to: type=inline
        platforms: linux/amd64,linux/arm,linux/arm64
        tags: |
          ${{ env.DOCKER_IMAGE_REPOSITORY }}:${{ steps.generate_tag.outputs.GIT_TAG }}
        labels: |
          org.opencontainers.image.source=${{ github.event.repository.clone_url }}
          org.opencontainers.image.created=${{ steps.prep.outputs.created }}
          org.opencontainers.image.revision=${{ github.sha }}

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

    - name: Generate image repository path for ghcr registry
      run: |
        echo GHCR_IMAGE_REPOSITORY=${{env.REGISTRY}}/$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV

    - name: Build and Push Docker Image to ghcr registry
      uses: docker/build-push-action@v4
      with:
        context: .
        file: ${{ env.DOCKER_FILE_PATH  }}
        pull: true
        push: true
        build-args: BUILD_PARAMETERS=${{ env.BUILD_PARAMETERS }}
        cache-to: type=inline
        platforms: linux/amd64,linux/arm,linux/arm64
        tags: |
          ${{ env.GHCR_IMAGE_REPOSITORY }}:${{ steps.generate_tag.outputs.GIT_TAG }}
        labels: |
          org.opencontainers.image.source=${{ github.event.repository.clone_url }}
          org.opencontainers.image.created=${{ steps.prep.outputs.created }}
          org.opencontainers.image.revision=${{ github.sha }}

    - name: Comment on PR
      uses: mshick/add-pr-comment@v2
      if: always()
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        message-success: '@${{ github.actor }} Image is available for testing. `docker pull ghcr.io/${{ env.IMAGE_REPOSITORY }}:${{ steps.generate_tag.outputs.GIT_TAG }}`'
        message-failure: '@${{ github.actor }} Yikes! You better fix it before anyone else finds out! [Build](https://github.com/${{ github.repository }}/commit/${{ github.event.pull_request.head.sha }}/checks) has Failed!'
        allow-repeats: true

    - name: Notify Slack
      uses: 8398a7/action-slack@v3
      if: always() # Pick up events even if the job fails or is canceled.
      with:
        status: ${{ job.status }}
        fields: repo,author,action,eventName,ref,workflow
      env:
        GITHUB_TOKEN: ${{ secrets.STAKATER_GITHUB_TOKEN }}
        SLACK_WEBHOOK_URL: ${{ secrets.STAKATER_DELIVERY_SLACK_WEBHOOK }}