name: Lint and Test Charts

on: pull_request

env:
  K8S_VERSION: 1.22
  HELM_VERSION: 3.9.2
  PYTHON_VERSION: 3.11

jobs:
  lint-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Install Helm
        uses: azure/setup-helm@v3
        with:
          version: "v${{ env.HELM_VERSION }}"

      - uses: actions/setup-python@v4
        with:
          python-version: "${{ env.PYTHON_VERSION }}"

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.4.0

      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed)
          if [[ -n "$changed" ]]; then
            echo "::set-output name=changed::true"
          fi

      - name: Run chart-testing (lint)
        run: ct lint --config .github/ct.yaml

      - name: Create k8s Kind Cluster
        uses: helm/kind-action@v1.8.0
        if: steps.list-changed.outputs.changed == 'true'

      - name: Remove node taints
        run: |
          kubectl taint --all=true nodes node.cloudprovider.kubernetes.io/uninitialized- || true
        if: steps.list-changed.outputs.changed == 'true'

      - name: Install CRDs
        run: |
          cat crds/*.yaml | kubectl apply -f -
        if: steps.list-changed.outputs.changed == 'true'

      - name: Run chart-testing (install)
        run: ct install --config .github/ct.yaml
        if: steps.list-changed.outputs.changed == 'true'