tests.yml

name: "Test Helm Charts"
on:
  - push
  - pull_request

env:
  go-version: 1.21.6

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - uses: actions/setup-go@v3
        with:
          go-version: ${{ env.go-version }}

      - name: Install gojsontoyaml
        run: go install github.com/brancz/gojsontoyaml@latest

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

      - name: Run chart-testing (lint)
        run: make lint

      - name: Run shellcheck
        run: make shellcheck

  generate:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - uses: actions/setup-go@v3
        with:
          go-version: ${{ env.go-version }}

      - name: Install gojsontoyaml
        run: go install github.com/brancz/gojsontoyaml@latest

      - name: Generate JSON Schema
        run: make json-schema && git diff --exit-code

      - name: Generate promscale alerts
        run: make promscale-mixin && git diff --exit-code

  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        kube:
          - "1.23"
          - "1.24"
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

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

      - name: Start kuberenetes cluster
        env:
          KUBE_VERSION: ${{ matrix.kube }}
        run: |
          make start-kind
      - name: Wait for cluster to finish bootstraping
        run: kubectl wait --for=condition=Ready pods --all --all-namespaces --timeout=300s

      - name: Check changed charts
        id: changed-charts
        run: |
          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }} | grep promscale || true)
          if [ -n $changed ]; then
            echo "CHARTS=${changed}" >> $GITHUB_OUTPUT
          fi

      - name: Pre-install DB
        if: steps.changed-charts.outputs.CHARTS != ''
        run: make install-db

      - name: Run e2e chart-testing
        run: make e2e

  test-result:
    name: End-to-End Test Results
    if: always()
    needs:
      - test
    runs-on: ubuntu-latest
    steps:
      - name: Mark the job as a success
        if: needs.test.result == 'success'
        run: exit 0
      - name: Mark the job as a failure
        if: needs.test.result != 'success'
        run: exit 1