build.yaml

name: Build artifacts

on:
  push:
    branches:
    - main

  pull_request:
    branches:
    - main

concurrency: build-${{ github.ref }}

env:
  HELM_VERSION: v3.11.3
  KIND_VERSION: v0.19.0
  REGISTRY: ghcr.io
  CHART_DIRECTORY: chart

defaults:
  run:
    shell: bash

jobs:
  test:
    name: Run tests
    runs-on: ubuntu-22.04

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

    - name: Setup go
      uses: actions/setup-go@v4
      with:
        go-version-file: go.mod

    - name: Check that license header boilerplate is correct
      uses: ./.github/actions/check-go-license-boilerplate
      with:
        boilerplate-path: hack/boilerplate.go.txt

    - name: Check that license headers are correct
      uses: ./.github/actions/check-go-license-headers
      with:
        boilerplate-path: hack/boilerplate.go.txt

    - name: Check that generated artifacts are up-to-date
      run: |
        make generate
        echo "Running 'git status' ..."
        if [ -z "$(git status --porcelain)" ]; then
          echo "Generated artifacts are up-to-date."
        else
          >&2 echo "Generated artifacts are not up-to-date; probably 'make generate' was not run before committing."
          exit 1
        fi

    - name: Check that manifests are up-to-date
      run: |
        make manifests
        echo "Running 'git status' ..."
        if [ -z "$(git status --porcelain)" ]; then
          echo "Manifests are up-to-date."
        else
          >&2 echo "Manifests are not up-to-date; probably 'make manifests' was not run before committing."
          exit 1
        fi

    - name: Run tests
      run: |
        make envtest
        KUBEBUILDER_ASSETS=$(pwd)/bin/k8s/current E2E_ENABLED=${{ github.event_name == 'push' }} go test -count 1 ./...

  build-docker:
    name: Build Docker image
    runs-on: ubuntu-22.04
    needs: test
    permissions:
      contents: read
    outputs:
      image-archive: image.tar
      image-repository: ${{ steps.prepare-repository-name.outputs.repository }}
      image-tag: ${{ steps.extract-metadata.outputs.version }}

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

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

    - name: Prepare repository name
      id: prepare-repository-name
      run: |
        repository=$REGISTRY/${{ github.repository }}
        echo "repository=${repository,,}" >> $GITHUB_OUTPUT

    - name: Prepare custom labels for Docker
      id: extract-custom-labels
      run: |
        echo "labels<<EOF" >> $GITHUB_OUTPUT
        for c in pkg/operator/data/charts/*/Chart.yaml; do
          name=$(yq .name $c)
          version=$(yq .version $c)
          app_version=$(yq .appVersion $c)
          echo "com.sap.cs.image.content.charts.$name.version=$version" >> $GITHUB_OUTPUT
          if [ ! -z "$app_version" ]; then
             echo "com.sap.cs.image.content.charts.$name.app-version=$app_version" >> $GITHUB_OUTPUT
          fi
        done
        echo "EOF" >> $GITHUB_OUTPUT

    - name: Extract metadata (tags, labels) for Docker
      id: extract-metadata
      uses: docker/metadata-action@v4
      with:
        images: ${{ steps.prepare-repository-name.outputs.repository }}
        labels: ${{ steps.extract-custom-labels.outputs.labels }}

    - name: Build Docker image
      uses: docker/build-push-action@v4
      with:
        platforms: linux/amd64,linux/arm64
        context: .
        cache-from: |
          type=gha,scope=sha-${{ github.sha }}
          type=gha,scope=${{ github.ref_name }}
          type=gha,scope=${{ github.base_ref || 'main' }}
          type=gha,scope=main
        cache-to: |
          type=gha,scope=sha-${{ github.sha }},mode=max
          type=gha,scope=${{ github.ref_name }},mode=max
        outputs: |
          type=oci,dest=${{ runner.temp }}/image.tar
        tags: ${{ steps.extract-metadata.outputs.tags }}
        labels: ${{ steps.extract-metadata.outputs.labels }}

    - name: Upload Docker image archive
      uses: actions/upload-artifact@v3
      with:
        name: image.tar
        path: ${{ runner.temp }}/image.tar

  test-helm:
    name: Run Helm chart tests
    runs-on: ubuntu-22.04
    needs: build-docker

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

    - uses: azure/setup-helm@v3
      with:
        version: ${{ env.HELM_VERSION }}

    - name: Lint Helm chart
      run: |
        helm lint $CHART_DIRECTORY

    - name: Create Kind cluster
      uses: helm/kind-action@v1
      with:
        version: ${{ env.KIND_VERSION }}
        cluster_name: kind

    - name: Show Kubernetes version
      run: |
        kubectl version

    - name: Download Docker image archive
      uses: actions/download-artifact@v3
      with:
        name: ${{ needs.build-docker.outputs.image-archive }}
        path: ${{ runner.temp }}

    - name: Load Docker image archive into Kind cluster
      run: |
        kind load image-archive ${{ runner.temp }}/${{ needs.build-docker.outputs.image-archive }}

    - name: Install Helm chart and deploy sample component
      run: |
        release_name=$(yq .name $CHART_DIRECTORY/Chart.yaml)
        kubectl create ns cop-system
        helm -n cop-system upgrade -i $release_name --wait --timeout 5m \
          --set image.repository=${{ needs.build-docker.outputs.image-repository }} \
          --set image.tag=${{ needs.build-docker.outputs.image-tag }} \
          $CHART_DIRECTORY
        kubectl create ns component-system
        kubectl -n component-system apply -f examples/sample.yaml
        kubectl -n component-system wait -f examples/sample.yaml --for condition=Ready --timeout 120s