Support for ansible-core >= 2.12.0

[amenzhinsky]

I'm very glad that the support for 2.11 just got mainlined, but 2.12 is already out:

ERROR! Your Ansible version ((2, 12, 0)) is too recent. The most recent version
supported by Mitogen for Ansible is (2, 11).x. Please check the Mitogen
release notes to see if a new version is available, otherwise
subscribe to the corresponding GitHub issue to be notified when
support becomes available.

    https://mitogen.rtfd.io/en/latest/changelog.html
    https://github.com/mitogen-hq/mitogen/issues/

[moreati]

Ansible 5.x, which is not out yet, will require ansible-core 2.12. Ansible 4.x will continue to require ansible-core 2.11. So this won't be a high priority for me for at least a month or 2. However, patches with tests are welcome.

[jauderho]

FWIW, Ansible 5.0.1 is now out.

[zerwes]

we are updating our complete ansible infrastructure at the moment from 2.9 to the current ansible community version (5.0 = core 2.12)
We have been using mitogen w/ ansible for a log time.
Some playbooks take quite long now (factor * 8) now on the 2.12 version. And the lack of support is currently a showstopper.
So I have a huge interest and am willing to do some tests.

[zerwes]

first test using https://github.com/Rosa-Luxemburgstiftung-Berlin/mitogen/tree/pr-ansible2.12 work well ... seems that mitogen is well prepared for ansible 2.12

[extmind]

Changing the supported version works for me, too. However, I didn't receive the intended error message before the change (as in the first post here), but rather the following:

ERROR! Unexpected Exception, this is probably a bug: name 'ansible' is not defined
the full traceback was:

Traceback (most recent call last):
  File "/usr/bin/ansible", line 128, in <module>
    exit_code = cli.run()
  File "/usr/lib/python3.9/site-packages/ansible/cli/adhoc.py", line 172, in run
    result = self._tqm.run(play)
  File "/usr/lib/python3.9/site-packages/ansible/executor/task_queue_manager.py", line 297, in run
    strategy = strategy_loader.get(new_play.strategy, self)
  File "/usr/lib/python3.9/site-packages/ansible/plugins/loader.py", line 807, in get
    return self.get_with_context(name, *args, **kwargs).object
  File "/usr/lib/python3.9/site-packages/ansible/plugins/loader.py", line 827, in get_with_context
    self._module_cache[path] = self._load_module_source(name, path)
  File "/usr/lib/python3.9/site-packages/ansible/plugins/loader.py", line 791, in _load_module_source
    spec.loader.exec_module(module)
  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
  File ".../mitogen/ansible_mitogen/plugins/strategy/mitogen_linear.py", line 55, in <module>
    import ansible_mitogen.loaders
  File ".../mitogen/ansible_mitogen/loaders.py", line 86, in <module>
    assert_supported_release()
  File ".../mitogen/ansible_mitogen/loaders.py", line 78, in assert_supported_release
    raise ansible.errors.AnsibleError(
NameError: name 'ansible' is not defined

That could be fixed by adding from ansible.errors import AnsibleError and then using raise AnsibleError(....

[amenzhinsky]

Bumped max supported version with sed -i 's/ANSIBLE_VERSION_MAX = (2, 11)/ANSIBLE_VERSION_MAX = (2, 12)/' /usr/lib/python3.9/site-packages/ansible_mitogen/loaders.py

Everything seems to be working in a medium size project (builtin, podman, grafana collections)