check_charts.yaml

name: Lint and Test Charts

on:
  push:
    branches:
    - main
    - chartsimprovements
    tags:
    - '*'
    paths:
      # Only run test and docker publish if some code have changed
      - 'deployment/helm/**'
      - '.github/workflows/check_charts.yaml'
  pull_request:

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

      - name: Check Version
        run: |
          current_version=$(grep '^version=' pyproject.toml | cut -f2 -d= | tr -d ' ' | tr -d '"')
          app_version=$(grep 'appVersion:' deployment/helm/Chart.yaml | cut -f2 -d: | tr -d ' ' | tr -d '"')
          if [[ "$current_version" != "$app_version" ]]; then
            echo "❌ current version from pyproject.toml ($current_version) and appVersion from Chart.yaml ($app_version) differs";
            exit 1;
          fi

      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.9.2

      - uses: actions/setup-python@v5
        with:
          python-version: 3.7

      - 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 --chart-dirs deployment --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 --chart-dirs deployment --target-branch ${{ github.event.repository.default_branch }}

      - name: Build container
        uses: docker/build-push-action@v6
        if: steps.list-changed.outputs.changed == 'true'
        with:
          platforms: linux/amd64
          context: .
          file: webapp/Dockerfile
          push: false
          tags: "polder:dev"

      - name: Create kind cluster
        uses: helm/kind-action@v1.10.0
        if: steps.list-changed.outputs.changed == 'true'

      - name: Load container image in kind cluster
        run: kind load docker-image polder:dev --name chart-testing
        if: steps.list-changed.outputs.changed == 'true'

      - name: Run chart-testing (install)
        run: ct install --chart-dirs deployment/k8s
        if: steps.list-changed.outputs.changed == 'true'