lint.yaml

name: Lint Charts

on: pull_request

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v3
        with:
          version: v3.8.1

      # Python is required because `ct lint` runs Yamale (https://github.com/23andMe/Yamale),
      # yamllint (https://github.com/adrienverge/yamllint) which require Python
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: 3.7

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.6.0
        with:
          version: v3.7.0

      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --config .github/config/ct.yaml | tr '\n' ' ')
          if [[ -n "$changed" ]]; then
            echo "changed=true" >> $GITHUB_OUTPUT
            echo "charts_changed=$changed" >> $GITHUB_OUTPUT
          fi

      - name: Add dependency chart repos
        run: |
          for dir in $(ls -d charts/*/); do
            num_of_deps=$(( $(helm dependency list $dir 2> /dev/null | tail +2 | wc -l ) -1 ))
            if [ $num_of_deps -gt 0 ]; then
              helm dependency list $dir 2> /dev/null | tail +2 | head -n $num_of_deps | awk '{ print " " $1 " " $3 }' | grep -v "file://" | xargs -n 2 helm repo add --force-update
            fi
          done

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

      - name: Run docs-testing (helm-docs)
        id: helm-docs
        run: |
          ./scripts/helm-docs.sh
          if [[ $(git diff --stat **/README.md) != '' ]]; then
            echo -e '\033[0;31mDocumentation outdated! ❌\nCheck Contributing Guidelines to know how to update documentation\033[0m'
            git diff --color
            exit 1
          else
            echo -e '\033[0;32mDocumentation up to date\033[0m ✔'
          fi