spot the difference

a.yml

---
- hosts: localhost
  connection: local
  tasks:
  - name: simulate long running op (10 sec), wait for up to 30 sec, poll every 2 sec
    command: /bin/sleep 10
    register: sleeptask
    async: 30
    poll: 0
  - name: simulate an error on the command, and see if the task fails.
    shell: "grep thispatterndoesntexist thisfiledoesntexist"
    register: greptask
    async: 30
    poll: 0
  - async_status:
      jid: "{{ sleeptask.ansible_job_id }}"
    failed_when: false
    changed_when: false
    register: sleeptaskstatus
    until: sleeptaskstatus.finished
  - async_status:
      jid: "{{ greptask.ansible_job_id }}"
    failed_when: greptaskstatus.stderr.find("No such file or directory") == -1 #If I don't find "no such file" then it's a failure.
    changed_when: greptaskstatus.stderr.find("No such file or directory") != -1 #If I find it, changed!
    register: greptaskstatus
    until: greptaskstatus.finished
  - debug:
      var: item
    with_items:
      - "{{ greptask }}"
      - "{{ sleeptask }}"
      - "{{ greptaskstatus }}"
      - "{{ sleeptaskstatus }}"

b.yml

    - name: Publish snapshot into public/integrated/ folder
      shell: 'aptly publish snapshot -distribution="{{ artifacts_version }}-{{ distribution_release }}" miko-{{ artifacts_version }}-{{ distribution_release }} integrated'
      register: aptly_snapshot_publish
      #This can run for maximum 23h.
      async: 82800
      poll: 0
      tags:
        - aptly_publish
    # To avoid CI build timeouts, we want to make sure ansible outputs to
    # the console regularily. We do this using an async_status task.
    - name: Poll async status
      async_status: jid={{ aptly_snapshot_publish.ansible_job_id }}
      register: job_merged_snapshot_publish_result
      until: job_merged_snapshot_publish_result.finished
      failed_when: job_merged_snapshot_publish_result.rc != 0 and job_merged_snapshot_publish_result.stderr.find('already used') == -1
      changed_when: job_merged_snapshot_publish_result.stderr.find('already used') == -1
      retries: 16560
      tags:

`
TASK [async_status] ************************************************************
changed: [localhost]

TASK [debug] *******************************************************************
ok: [localhost] => (item={u'started': 1, u'finished': 0, u'results_file': u'/Users/jean0000/.ansible_async/350222488256.50223', u'ansible_job_id': u'350222488256.50223', 'changed': False}) => {
"item": {
"ansible_job_id": "350222488256.50223",
"changed": false,
"finished": 0,
"results_file": "/Users/jean0000/.ansible_async/350222488256.50223",
"started": 1
}
}
ok: [localhost] => (item={u'started': 1, u'finished': 0, u'results_file': u'/Users/jean0000/.ansible_async/133941466972.50200', u'ansible_job_id': u'133941466972.50200', 'changed': False}) => {
"item": {
"ansible_job_id": "133941466972.50200",
"changed": false,
"finished": 0,
"results_file": "/Users/jean0000/.ansible_async/133941466972.50200",
"started": 1
}
}
ok: [localhost] => (item={u'rc': 2, u'changed': True, u'stdout': u'', 'failed': False, u'ansible_job_id': u'350222488256.50223', u'warnings': [], u'cmd': u'grep thispatterndoesntexist thisfiledoesntexist', u'finished': 1, u'end': u'2017-03-15 14:29:54.101851', u'start': u'2017-03-15 14:29:53.916033', 'attempts': 1, u'stderr': u'grep: thisfiledoesntexist: No such file or directory', u'delta': u'0:00:00.185818', 'stdout_lines': [], 'failed_when_result': False}) => {
"item": {
"ansible_job_id": "350222488256.50223",
"attempts": 1,
"changed": true,
"cmd": "grep thispatterndoesntexist thisfiledoesntexist",
"delta": "0:00:00.185818",
"end": "2017-03-15 14:29:54.101851",
"failed": false,
"failed_when_result": false,
"finished": 1,
"rc": 2,
"start": "2017-03-15 14:29:53.916033",
"stderr": "grep: thisfiledoesntexist: No such file or directory",
"stdout": "",
"stdout_lines": [],
"warnings": []
}
}
ok: [localhost] => (item={u'cmd': [u'/bin/sleep', u'10'], u'stdout': u'', u'ansible_job_id': u'133941466972.50200', u'warnings': [], u'stdout_lines': [], u'changed': False, u'attempts': 3, u'failed': False, u'finished': 1, u'stderr': u'', u'rc': 0, u'delta': u'0:00:10.012003', u'end': u'2017-03-15 14:30:02.520023', u'failed_when_result': False, u'start': u'2017-03-15 14:29:52.508020'}) => {
"item": {
"ansible_job_id": "133941466972.50200",
"attempts": 3,
"changed": false,
"cmd": [
"/bin/sleep",
"10"
],
"delta": "0:00:10.012003",
"end": "2017-03-15 14:30:02.520023",
"failed": false,
"failed_when_result": false,
"finished": 1,
"rc": 0,
"start": "2017-03-15 14:29:52.508020",
"stderr": "",
"stdout": "",
"stdout_lines": [],
"warnings": []
}
}

PLAY RECAP *********************************************************************
localhost : ok=5 changed=1 unreachable=0 failed=0
`