chart-ci.yml

name: Chart CI

on:
  pull_request:
    paths:
      - 'charts/**'
      - .github/workflows/chart-ci.yml

jobs:
  helm-lint-test:
    name: Helm chart
    runs-on: ubuntu-latest
    env:
      CT_TARGET_BRANCH: ${{ github.event.repository.default_branch }}
      CT_CHART_DIRS: charts
      CT_GITHUB_GROUPS: "true"
      CT_USE_HELMIGNORE: "true"
    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.4
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v4.2.0

      - name: Set up python
        uses: actions/setup-python@v5.1.0
        with:
          python-version: '3.x'

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.6.1

      - name: Run chart-testing (lint)
        run: ct lint

      - name: Prepare host path mounts
        run: |
          mkdir -p ${{ runner.temp }}/run/udev/data
          cat > ${{ runner.temp }}/kind-config.yaml <<EOM
          kind: Cluster
          apiVersion: kind.x-k8s.io/v1alpha4
          nodes:
          - role: control-plane
            extraMounts:
            - hostPath: ${{ runner.temp }}/run/udev/data
              containerPath: /run/udev/data
              propagation: None
          EOM

      - name: Create kind cluster
        uses: helm/kind-action@v1.10.0
        with:
          config: ${{ runner.temp }}/kind-config.yaml

      - name: Create dummy secret
        run: |
          kubectl -n kube-system create secret generic dummy --from-literal token=test

      - name: Install required CRDs
        run: |
          kubectl apply -f https://raw.githubusercontent.com/prometheus-operator/prometheus-operator/main/example/prometheus-operator-crd/monitoring.coreos.com_podmonitors.yaml

      # TODO(avorima): Install chart using ct once packages are available
      - name: Install helm chart (dry-run)
        run: >
          helm show crds $CHART | kubectl apply -f -;
          helm install ionoscloud-blockstorage-csi-driver $CHART -n kube-system -n kube-system -f $CHART/ci/ct-values.yaml --dry-run -o json | jq -r '.manifest' |
          kubectl apply --dry-run=server --validate=true -f -
        env:
          CHART: ./charts/ionoscloud-blockstorage-csi-driver


  helm-docs-validate:
    name: Helm docs
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.4
      - name: Run helm-docs
        uses: docker://jnorwood/helm-docs:v1.13.1
      - name: Check for changes
        run: git diff --quiet charts/*/README.md