load-tests.yml

name: Load Tests

on:
  pull_request:
    branches:
      - main
  push:
    branches:
      - main

jobs:
  determine-service-matrix:
    runs-on: ubuntu-latest
    outputs:
      services: ${{ steps.determine-matrix.outputs.changes }}
    steps:
      - name: Check Out Repo
        uses: actions/checkout@v4
      - uses: dorny/paths-filter@v3
        id: determine-matrix
        with:
          # Note, 'common' is for future use--when code is factored out into common libraries,
          # but it's set up here so that the workflow logic could be tested with it present
          filters: |
            common:
              - '*'
              - '.github/**'
            account:
              - '*'
              - '.github/**'
              - 'services/account/**'
            graph:
              - '*'
              - '.github/**'
              - 'services/graph/**'
            content-publishing:
              - '*'
              - '.github/**'
              - 'services/content-publishing/**'
            content-watcher:
              - '*'
              - '.github/**'
              - 'services/content-watcher/**'

  build:
    name: '[${{ matrix.service }}] Load Test'
    runs-on: ubuntu-latest
    needs: determine-service-matrix
    strategy:
      fail-fast: false
      matrix:
        service: ${{ fromJson(needs.determine-service-matrix.outputs.services) }}
        exclude:
          - service: common
    steps:
      - uses: actions/checkout@v4

      - name: Install Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: 'npm'
          registry-url: 'https://registry.npmjs.org'
          cache-dependency-path: tools/ci-k6/package-lock.json
      - name: Install dependencies
        working-directory: tools/ci-k6
        run: npm ci

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{secrets.DOCKERHUB_USERNAME}}
          password: ${{secrets.DOCKERHUB_TOKEN}}

      - name: Start Frequency
        run: |
          docker compose -f docker-compose.yaml -f docker-compose-k6.${{ matrix.service }}.yaml up -d frequency
          sleep 20
      - name: Generate Provider and Capacity
        working-directory: tools/ci-k6
        run: npm run main

      # Just start the services we need...
      - name: Start All Services
        run: docker compose -f docker-compose.yaml -f docker-compose-k6.${{ matrix.service }}.yaml up -d

      - name: Wait for API to be ready
        uses: actions/github-script@v7
        with:
          script: |
            const start = Date.now();
            while (Date.now() - start < 120000) {
              try {
                if ((await fetch('http://localhost:3000/readyz')).status === 200) {
                  console.log('Ready check passed');
                  return;
                }
              } catch (e) {}
              await new Promise(r => setTimeout(r, 3000));
            }
            console.log('Timeout reached. Ready check failed.');
            process.exit(1);

      - name: Setup K6
        uses: grafana/setup-k6-action@v1
      - name: Run k6 Tests
        run: |
          for test_file in services/${{ matrix.service }}/k6-test/*.js; do
            k6 run --no-usage-report "$test_file" || exit 1
          done
      - name: Stop Docker Compose
        if: always()
        run: docker compose -f docker-compose.yaml -f docker-compose-k6.${{ matrix.service }}.yaml down