lint-and-test.yml

## Reference: https://github.com/helm/chart-testing-action
name: Linting and Testing
on: pull_request

permissions:
  contents: read

jobs:
  linter-artifacthub:
    runs-on: ubuntu-latest
    container:
      image: public.ecr.aws/artifacthub/ah:v1.14.0
      options: --user 1001
    steps:
      - name: Checkout
        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
      - name: Run ah lint
        working-directory: ./charts
        run: ah lint

  chart-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@5119fcb9089d432beecbf79bb2c7915207344b78 # v3.5
        with:
          version: v3.10.1 # Also update in publish.yaml

      - name: Set up python
        uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1 # v4.7.0
        with:
          python-version: 3.9

      - name: Setup Chart Linting
        id: lint
        uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # v2.4.0
        with:
          # Note: Also update in scripts/lint.sh
          version: v3.7.1

      - name: List changed charts
        id: list-changed
        run: |
          ## If executed with debug this won't work anymore.
          changed=$(ct --config ./.github/configs/ct-lint.yaml --target-branch ${{ github.base_ref }} list-changed)
          charts=$(echo "$changed" | tr '\n' ' ' | xargs)
          if [[ -n "$changed" ]]; then
            echo "changed=true" >> $GITHUB_OUTPUT
            echo "changed_charts=$charts" >> $GITHUB_OUTPUT
          fi

      - name: Run chart-testing (lint)
        run: ct lint --debug --config ./.github/configs/ct-lint.yaml --target-branch ${{ github.base_ref }} --lint-conf ./.github/configs/lintconf.yaml

      - name: Run docs-testing (helm-docs)
        id: helm-docs
        run: |
          ./scripts/helm-docs.sh
          if [[ $(git diff --stat) != '' ]]; then
            echo -e '\033[0;31mDocumentation outdated!\033[0m ❌'
            git diff --color
            exit 1
          else
            echo -e '\033[0;32mDocumentation up to date\033[0m ✔'
          fi

      - name: Create kind cluster
        uses: helm/kind-action@dda0770415bac9fc20092cacbc54aa298604d140 # v1.8.0
        if: steps.list-changed.outputs.changed == 'true'
        with:
          config: .github/configs/kind-config.yaml

      - name: Skip HPA tests of ArgoCD
        if: contains(steps.list-changed.outputs.changed_charts, 'argo-cd')
        run: |
          ## Metrics API not available in kind cluster
          rm charts/argo-cd/ci/ha-autoscaling-values.yaml

      - name: Create an external redis for ArgoCD externalRedis feature
        if: contains(steps.list-changed.outputs.changed_charts, 'argo-cd')
        run: |
          kubectl create namespace redis
          helm repo add bitnami https://charts.bitnami.com/bitnami
          helm install redis bitnami/redis --wait --namespace redis --set auth.password=argocd --set architecture=standalone

      - name: Run chart-testing (install)
        run: ct install --config ./.github/configs/ct-install.yaml --target-branch ${{ github.base_ref }}
        if: steps.list-changed.outputs.changed == 'true'