lint_test.yml

name: Lint and test charts

# Controls when the action will run. Triggers the workflow on pull request
# events but only for the main branch
on:
  pull_request:
    branches:
      - main

jobs:
  prepare:
    name: "Prepare requirements"
    runs-on: ubuntu-latest
    outputs:
      charts: ${{ steps.list-changed.outputs.charts }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up helm
        uses: './.github/actions/setup-helm'

      - name: Set up test
        uses: './.github/actions/setup-test'

      - name: List changed charts
        id: list-changed
        run: |
          changed=$(ct --config ct.yaml list-changed)
          json_charts="[]"
          if [[ -n "$changed" ]]; then
            json_charts="[\"$(echo $changed | sed 's/ /", "/g')\"]"
          fi
          echo "charts=${json_charts}" >> "$GITHUB_OUTPUT"

  lint:
    name: "Lint"
    needs: prepare
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
        chart: ${{ fromJson(needs.prepare.outputs.charts) }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up helm
        uses: './.github/actions/setup-helm'

      - name: Set up test
        uses: './.github/actions/setup-test'

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

  test:
    name: "Test"
    needs: prepare
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
        chart: ${{ fromJson(needs.prepare.outputs.charts) }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up helm
        uses: './.github/actions/setup-helm'

      - name: Set up test
        uses: './.github/actions/setup-test'

      - name: Create kind cluster
        uses: helm/kind-action@v1.7.0

      - name: Install CRDs
        env:
          CHART_NAME: ${{ matrix.chart }}
        run: |
          # Prometheus
          helm repo add prometheus-community https://prometheus-community.github.io/helm-charts --force-update
          helm install prometheus-operator-crds prometheus-community/prometheus-operator-crds --version 4.0.0
          # Istio
          if [[ "$CHART_NAME" != *"istio-operator-crds" ]]; then
            helm repo add wiremind https://wiremind.github.io/wiremind-helm-charts --force-update
            helm install istio-operator-crds wiremind/istio-operator-crds --version 1.18.2
          fi
          # csi-driver-host-path
          if [[ "$CHART_NAME" == *"csi-driver-host-path" ]]; then
            helm repo add wiremind https://wiremind.github.io/wiremind-helm-charts --force-update
            helm install snapshot-controller-crds wiremind/snapshot-controller-crds --version 6.2.1
          fi

      - name: Run chart-testing (install)
        run: ct install --config ct.yaml --helm-extra-args "--timeout 300s"