test.yml

name: Test Charts

on:
  push:
    branches:    
      - main
  pull_request:
    branches:    
      - main

jobs:
  lint-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v3
        with:
          version: v3.10.0

      - run: helm repo add bitnami https://charts.bitnami.com/bitnami

      - uses: actions/setup-python@v4
        with:
          python-version: '3.9'
          check-latest: true

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.3.1

      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
          if [[ -n "$changed" ]]; then
            echo "::set-output name=changed::true"
          fi

      - name: Run chart-testing (lint)
        run: |
          ct lint --check-version-increment=false \
            --target-branch ${{ github.event.repository.default_branch }}
        if: steps.list-changed.outputs.changed == 'true'

      - name: Create kind cluster
        uses: helm/kind-action@v1.4.0
        if: steps.list-changed.outputs.changed == 'true'

      - name: Run chart-testing (install)
        run: ct install --target-branch ${{ github.event.repository.default_branch }}
        if: steps.list-changed.outputs.changed == 'true'

  check-metadata:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - uses: actions/setup-node@v3
        with:
          node-version: 16

      - name: Install readme generator for Helm
        run: npm i -g @bitnami/readme-generator-for-helm

      - name: Check metadata
        run: |
          for CHART in ./charts/*; do 
              if [ -d "$CHART" ]; then
                  printf '%*s' 128 | tr ' ' -
                  echo " Charts to be processed:"
                  printf '%*s' 128 | tr ' ' -
                  echo " $(basename $CHART)"
                  printf '%*s' 128 | tr ' ' -
                  readme-generator -v ${CHART}/values.yaml -r ${CHART}/README.md;
              fi
          done