name: "Charts: Lint and test"

on:
  pull_request:
    paths:
    - 'charts/**'
    - '!charts/**/README.md'
    - '!charts/**/README.md.gotmpl'
    - '!charts/**/README_CHANGELOG.md.gotmpl'
    - '!charts/**/README_CONFIG.md.gotmpl'

jobs:
  lint:
    if: "!contains(github.event.head_commit.message, '[ci-skip]')"
    runs-on: ubuntu-20.04
    outputs:
      changed: ${{ steps.list-changed.outputs.changed }}
    steps:
    - name: Checkout
      uses: actions/checkout@v2
      with:
        fetch-depth: 0

    - name: Install Helm
      uses: azure/setup-helm@v1
      with:
        version: v3.4.0

    - uses: actions/setup-python@v2
      with:
        python-version: 3.7

    - name: Set up chart-testing
      uses: helm/chart-testing-action@v2.0.1

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

    - name: Run chart-testing (lint)
      id: lint
      run: ct lint --config .github/ct-lint.yaml
      if: steps.list-changed.outputs.changed == 'true'

  unittest:
    if: "!contains(github.event.head_commit.message, '[ci-skip]')"
    runs-on: ubuntu-20.04
    needs: lint
    steps:
    - name: Checkout
      uses: actions/checkout@v2
      with:
        fetch-depth: 0

    - name: Install Dev tools
      run: sudo apt-get update && sudo apt-get install -y jq libjq-dev

    - name: Install Helm
      uses: azure/setup-helm@v1
      with:
        version: v3.4.0

    - name: Install Ruby
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: 2.7

    - name: Install dependencies
      run: |
        export RUBYJQ_USE_SYSTEM_LIBRARIES=1
        bundle install

    - name: Run tests
      run: |
        bundle exec m -r test/charts

  install:
    if: "!contains(github.event.head_commit.message, '[ci-skip]')"
    runs-on: ubuntu-20.04
    needs: lint
    steps:
    - name: Checkout
      uses: actions/checkout@v2
      with:
        fetch-depth: 0

    - name: Install Helm
      uses: azure/setup-helm@v1
      with:
        version: v3.4.0

    - uses: actions/setup-python@v2
      with:
        python-version: 3.7

    - name: Set up chart-testing
      uses: helm/chart-testing-action@v2.0.1

    - name: Create k3d cluster
      uses: nolar/setup-k3d-k3s@v1
      with:
        version: v1.19
      if: needs.lint.outputs.changed == 'true'

    - name: Run chart-testing (install)
      run: ct install --config .github/ct-install.yaml
      if: needs.lint.outputs.changed == 'true'