lint.yml

name: Lint helm chart

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

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@v4
        with:
          version: v3.9.0

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.10'

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.6.1

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

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

      - name: Create kind cluster
        uses: helm/kind-action@v1.9.0
        if: steps.list-changed.outputs.changed == 'true'

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

      - name: Install helm-docs
        run: go install github.com/norwoodj/helm-docs/cmd/helm-docs@v1.11.0

      - name: Run helm-docs
        run: $HOME/go/bin/helm-docs

      - name: Check docs are up-to-date
        run: git diff --exit-code -- charts/**/README.md