mitogen/tests/ansible/integration/async/runner_two_simultaneous_jobs.yml

- name: integration/async/runner_two_simultaneous_jobs.yml
  hosts: test-targets
  any_errors_fatal: true
  tasks:

  # Start 2 duplicate jobs, verify they run concurrently.

  - file:
      path: /tmp/flurp
      state: absent

  - name: create semaphore file and sleep for 5 seconds.
    shell: |
      exec 2>/dev/null;
      bash -c '
        echo im_alive $$ > /tmp/flurp;
        sleep 60;
      ';
      rm -f /tmp/flurp;
      echo alldone
    async: 30
    poll: 0
    register: job1

  # This guy prints the first field from the semaphore file and kills the PID
  # from the second field, cancelling the slow sleep above, so the busy-poll
  # below compltes quickly.
  - name: verify semaphore file exists while this job exists.
    shell: |
      while [ ! -f /tmp/flurp ]; do sleep 0.1; done;
      read im_alive pid < /tmp/flurp
      echo $im_alive
      kill $pid &>/dev/null
    async: 30
    poll: 0
    register: job2

  - name: (job1) poll
    async_status:
      jid: "{{job1.ansible_job_id}}"
    register: result1
    until: result1.finished
    retries: 5
    delay: 1

  - name: (job2) poll
    async_status:
      jid: "{{job2.ansible_job_id}}"
    register: result2
    until: result2.finished
    retries: 5
    delay: 1

  - assert:
      that:
        - result1.rc == 0
        - result2.rc == 0

  - assert:
      that:
        - result2.stdout == 'im_alive'
    when: ansible_version.full > '2.8'  # ansible#51393