ci.yml

name: CI

on:
  push:
    branches:
      - main
  pull_request: {}

concurrency:
  # Group concurrency on workflow, then:
  # - Is merge run? Group on branch name (`refs/heads/main`)
  # - Is pull request? Group on pull request branch name, for example `feat/add-awesome-feature`
  group: >-
    ${{ github.workflow }}-${{
      github.event_name == 'push'
        && github.ref
        || github.head_ref
    }}
  # Run merge workflows in sequence to prevent parallel deployments and releases
  # Cancel stale pull request runs in progress for the same branch
  cancel-in-progress: ${{ github.event_name != 'push' }}

env:
  NODE_OPTIONS: --max-old-space-size=6144

jobs:
  # We're using Nx Cloud for Distributed Task Execution
  # Reference: https://nx.dev/using-nx/dte
  #
  # The coordinator outputs the combination of task outputs from the agents,
  # both terminal and file outputs
  dte_coordinator:
    name: DTE Coordinator
    uses: nrwl/ci/.github/workflows/nx-cloud-main.yml@v0.7
    with:
      # Must match dte_agents.number-of-agents
      number-of-agents: 4
      # The --stop-agents-after parameter must match the task target listed last
      # in the parallel-commands-on-agents command list
      # The --agent-count parameter must match the number-of-agents parameter
      init-commands: |
        yarn nx-cloud start-ci-run --agent-count=4
      # Commands run in parallel on this DTE coordinator
      parallel-commands: |
        yarn nx-cloud record -- yarn nx workspace-lint
        yarn nx-cloud record -- yarn nx format:check
      # Commands distributed between DTE agents
      # Distribution strategy for 2 vCPUs per hosted runner (GitHub Free):
      # lint: 2 tasks assigned at a time, 1 task per vCPU
      # test: 1 task assigned at a time with 2 parallel processes, 1 process per vCPU
      # build: 2 tasks assigned at a time, 1 task per vCPU
      # e2e: 1 task assigned at a time, 1 task total
      parallel-commands-on-agents: |
        yarn nx affected --target=lint --configuration=report --parallel=2 --max-warnings=0
        yarn nx affected --target=test --configuration=coverage --parallel=1 --maxWorkers=2
        yarn nx affected --target=build --parallel=2
        yarn nx affected --target=e2e --exclude=lumberjack-app-e2e --parallel=1
      # Commands run sequentially on this DTE coordinator after parallel jobs
      # For the end-to-end test of our application, we use the output bundle
      final-commands: |
        NX_CLOUD_DISTRIBUTED_EXECUTION=false yarn nx run examples-lumberjack-app:use-lumberjack-bundle
        yarn nx e2e lumberjack-app-e2e

  # We're using Nx Cloud for Distributed Task Execution
  # Reference: https://nx.dev/using-nx/dte
  #
  # Agents receive tasks to execute in bulk whenever they are ready or have
  # finished their previous tasks
  dte_agents:
    name: DTE Agents
    uses: nrwl/ci/.github/workflows/nx-cloud-agents.yml@v0.7
    with:
      # The Free GitHub plan has a limit of 20 concurrent jobs on Ubuntu images
      # Reference: https://docs.github.com/en/actions/learn-github-actions/usage-limits-billing-and-administration
      # If we need to, we can optimize for 2 simultaneous workflow runs:
      # 2 x 1 main job   =  2 concurrent jobs
      # 2 x 9 agent jobs = 18 concurrent jobs
      # Total            = 20 concurrent jobs
      #
      # However, we don't have many projects or targets in this workspace, so we
      # lower the number of agents to reduce spent compute time.
      number-of-agents: 4

  sonarcloud:
    needs: dte_coordinator
    runs-on: ubuntu-latest
    permissions:
      id-token: write
      contents: read
      actions: read
    steps:
      - uses: actions/checkout@v3
        with:
          # necessary for SonarCloud Scan
          fetch-depth: 0
      - name: Setup
        uses: ./.github/actions/setup
      # Uses the cache generated in the distributed step (Needed for the sonar eslint reports).
      - name: Lint with reports
        run: yarn nx affected --target=lint --configuration=report --parallel=2 --max-warnings=0
        # Uses the cache generated in the distributed step (Needed for the sonar jest coverage reports).
      - name: Tests with coverage
        run: yarn nx affected --target=test --configuration=coverage --parallel=1 --maxWorkers=2

      - name: Configure Sonar report paths
        run: yarn configure-sonar-report-paths

      - name: SonarCloud Scan
        uses: sonarsource/sonarcloud-github-action@v1.7
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}