chart-lint-test.yaml

# Lint and Test was added using helm/chart-repo-actions-demo as a reference
# https://github.com/helm/charts-repo-actions-demo/blob/main/.github/workflows/lint-test.yaml

name: Charts Linting and Testing

on:
  pull_request:
    branches:
      - main
      - /^release\/.*$/
    paths:
      - 'charts/**'

jobs:
  lint-test:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4.1.0
      with:
        fetch-depth: 0
        
    - name: Setup Helm
      uses: azure/setup-helm@v3.5
      with:
        version: 'v3.13.0'

    # ct (chart testing) requires python
    - name: Setup Python
      uses: actions/setup-python@v4.7.1
      with:
        python-version: '3.x'

    - name: Install chart-testing
      uses: helm/chart-testing-action@v2.6.1
      
    - name: Run chart-testing (list-changed)
      id: list-changed
      run: |
        changed=$(ct list-changed --chart-dirs charts --config .github/ct.yaml)
        if [[ -n "$changed" ]]; then
          echo "changed=true" >> $GITHUB_OUTPUT
        fi

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

    - name: Create kind cluster
      uses: helm/kind-action@v1.8.0
      if: steps.list-changed.outputs.changed == 'true'

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