name: Lint and Test Charts

on:
  pull_request:
    branches:
      - master
    paths:
      - "charts/**"

jobs:
  lint:
    runs-on: ubuntu-20.04
    container: ghcr.io/chgl/kube-powertools:latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Update dependencies
        run: find charts/ ! -path charts/ -maxdepth 1 -type d -exec helm dependency update {} \;
      - name: Run chart-testing (lint)
        run: ct lint --config .github/ct/ct.yaml
      - name: Run Powerlint
        run: chart-powerlint.sh

  test:
    runs-on: ubuntu-20.04
    needs:
      - lint
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Set up Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.5.2
      - uses: actions/setup-python@v2
        with:
          python-version: 3.9
      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.0.1
      - 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: Create k8s Kind Cluster
        uses: helm/kind-action@v1.1.0
        if: steps.list-changed.outputs.changed == 'true'
      - name: Run chart-testing (install)
        run: ct install --config .github/ct/ct.yaml