integration-test.yml

---
name: Integration Test
# yamllint disable-line rule:truthy
on:
  push:
    branches: ["main"]
    paths:
      - 'charts/**'
      - '!charts/k8s-monitoring-v1/**'
  pull_request:
    paths:
      - 'charts/**'
      - '!charts/k8s-monitoring-v1/**'

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  list-tests:
    name: List tests
    runs-on: ubuntu-latest
    outputs:
      tests: ${{ steps.list_tests.outputs.tests }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: List tests
        id: list_tests
        run: |
          tests=$(ls charts/k8s-monitoring/tests/integration)
          echo "Tests: ${tests}"
          echo "tests=$(echo "${tests}" | jq --raw-input --slurp --compact-output 'split("\n") | map(select(. != ""))')" >> "${GITHUB_OUTPUT}"

  run-tests:
    name: Integration Test
    needs: list-tests
    runs-on: ubuntu-latest
    strategy:
      matrix:
        test: ${{ fromJson(needs.list-tests.outputs.tests) }}
      fail-fast: false
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Helm
        uses: azure/setup-helm@v4

      - name: Setup Kind CLI
        uses: helm/kind-action@v1
        with:
          install_only: true

      - name: Setup Flux CLI
        uses: fluxcd/flux2/action@main

      - name: Read special test dependencies
        id: read_deps
        run: |
          if [ -f "charts/k8s-monitoring/tests/integration/${{ matrix.test }}/deps.json" ]; then
            # e.g. ["terraform", "vendir"]
            echo "deps=$(jq --compact-output '.' charts/k8s-monitoring/tests/integration/${{ matrix.test }}/deps.json)" >> $GITHUB_ENV
          else
            echo "deps=[]" >> $GITHUB_ENV
          fi

      - name: Install terraform
        uses: hashicorp/setup-terraform@v3
        if: contains(env.deps, 'terraform')

      - name: Run test
        run: ./scripts/run-cluster-test.sh "charts/k8s-monitoring/tests/integration/${{ matrix.test }}"
        env:
          CREATE_CLUSTER: "true"
          DELETE_CLUSTER: "true"