test-helm.yaml

name: Test Helm Chart

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  test-build:
    name: test-helm-chart
    runs-on: ubuntu-latest
    env:
      IMG: controller:kind
      CLUSTER: kind
      CERT_MANAGER: v1.7.1
    steps:
      - name: Checkout
        uses: actions/checkout@v4.2.2
        with:
          fetch-depth: 0

      - uses: actions/setup-go@v5
        with:
          go-version: 1.21

      - name: Set up Helm
        uses: azure/setup-helm@v3.5
        with:
          version: v3.5.2

      # Python is required because `ct lint` runs Yamale (https://github.com/23andMe/Yamale) and
      # yamllint (https://github.com/adrienverge/yamllint) which require Python
      - uses: actions/setup-python@v5.3.0
        with:
          python-version: '3.x'

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.3.0
        with:
          version: v3.3.0

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

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

      - name: Create kind cluster
        uses: helm/kind-action@v1.10.0
        with:
          cluster_name: ${{ env.CLUSTER }}
        if: steps.list-changed.outputs.changed == 'true'

      - name: Install cert-manager
        run: kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/${{ env.CERT_MANAGER }}/cert-manager.yaml
        if: steps.list-changed.outputs.changed == 'true'

      - name: Build and push
        run: make docker-build
        if: steps.list-changed.outputs.changed == 'true'

      - name: Push the image to Kind cluster
        run: make kind-load
        if: steps.list-changed.outputs.changed == 'true'

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

  helm-docs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4.2.2

      - name: Run helm-docs
        uses: docker://jnorwood/helm-docs:v1.14.2