lint-test.yml

name: Lint and Test Charts

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  changes:
    outputs:
      charts: ${{ steps.filter.outputs.charts }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - id: filter
        uses: dorny/paths-filter@v3.0.2
        with:
          filters: |
            charts:
              - 'charts/**/Chart.yaml'
              - 'charts/**/*'
          token: ${{ secrets.GITHUB_TOKEN }}

  lint-test:
    if: needs.changes.outputs.charts == 'true'
    runs-on: ubuntu-latest
    needs:
      - changes
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Fetch history
        run: git fetch --prune --unshallow

      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.7.2

      - uses: actions/setup-python@v5
        with:
          python-version: 3.7

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

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

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

      - name: Create kind cluster
        uses: helm/kind-action@v1.10.0
        if: steps.list-changed.outputs.changed == 'true'

      - name: Add bitnami chart repos
        run: helm repo add bitnami https://charts.bitnami.com/bitnami

      - name: Add dragonfly chart repos
        run: helm repo add dragonfly https://dragonflyoss.github.io/helm-charts/

      - name: Add nydus-snapshotter chart repos
        run: helm repo add nydus-snapshotter https://dragonflyoss.github.io/helm-charts/

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

  docs-validate:
    if: needs.changes.outputs.charts == 'true'
    needs:
      - changes
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check for changes
        run: |
          docker run --rm --volume "$(pwd):/helm-docs" -u "$(id -u)" jnorwood/helm-docs:v1.10.0
          if ! git diff --exit-code; then
              echo "Documentation not up to date. Please run helm-docs and commit changes!" >&2
              exit 1
          fi