test-dummy-concurrency.yml

name: Test Concurrency Groups

on:
  workflow_dispatch:
    inputs:
      max_parallel:
        description: 'Max parallel jobs (1-10)'
        required: true
        default: '2'
        type: choice
        options:
          - '1'
          - '2'
          - '3'
          - '5'
          - '10'
      job_count:
        description: 'Number of jobs to run'
        required: true
        default: '10'
        type: choice
        options:
          - '5'
          - '10'
          - '20'
          - '37'
  workflow_call:
    inputs:
      max_parallel:
        description: 'Max parallel jobs'
        required: false
        default: '2'
        type: string
      job_count:
        description: 'Number of jobs to run'
        required: false
        default: '5'
        type: string

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
      max_parallel: ${{ inputs.max_parallel }}
    steps:
      - id: set-matrix
        run: |
          COUNT=${{ inputs.job_count }}
          MATRIX=$(seq 1 $COUNT | jq -R . | jq -s -c .)
          echo "matrix=$MATRIX" >> $GITHUB_OUTPUT
          echo "Generated matrix with $COUNT jobs: $MATRIX"

  dummy-job:
    needs: setup
    runs-on: [self-hosted, modal, "job-${{ github.run_id }}-${{ strategy.job-index }}", "max-parallel-${{ inputs.max_parallel }}"]
    name: Dummy Job ${{ matrix.job }} (Modal)
    strategy:
      fail-fast: false
      max-parallel: ${{ fromJson(inputs.max_parallel) }}
      matrix:
        job: ${{ fromJson(needs.setup.outputs.matrix) }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Job Start
        run: |
          echo "========================================="
          echo "Job ${{ matrix.job }} starting"
          echo "Max parallel: ${{ inputs.max_parallel }}"
          echo "Total jobs: ${{ inputs.job_count }}"
          echo "Start time: $(date)"
          echo "Runner: $(hostname)"
          echo "========================================="

      - name: Simulate Work
        run: |
          echo "Simulating API calls like daily-search..."
          for i in {1..5}; do
            echo "  API call $i/5 at $(date)"
            sleep 10
          done

      - name: Job Complete
        if: always()
        run: |
          echo "========================================="
          echo "Job ${{ matrix.job }} completed"
          echo "End time: $(date)"
          echo "========================================="