ansible: descriptive version check during startup.

pull/595/head
David Wilson 5 years ago
parent a7fdb55e13
commit f105a81e20

@ -37,9 +37,46 @@ import ansible_mitogen.loaders
import ansible_mitogen.mixins
import ansible_mitogen.process
import ansible
import ansible.executor.process.worker
ANSIBLE_VERSION_MIN = '2.3'
ANSIBLE_VERSION_MAX = '2.7'
NEW_VERSION_MSG = (
"Your Ansible version (%s) is too recent. The most recent version\n"
"supported by Mitogen for Ansible is %s.x. Please check the Mitogen\n"
"release notes to see if a new version is available, otherwise\n"
"subscribe to the corresponding GitHub issue to be notified when\n"
"support becomes available.\n"
"\n"
" https://mitogen.rtfd.io/en/latest/changelog.html\n"
" https://github.com/dw/mitogen/issues/\n"
)
OLD_VERSION_MSG = (
"Your version of Ansible (%s) is too old. The oldest version supported by "
"Mitogen for Ansible is %s."
)
def _assert_supported_release():
"""
Throw AnsibleError with a descriptive message in case of being loaded into
an unsupported Ansible release.
"""
v = ansible.__version__
if v[:len(ANSIBLE_VERSION_MIN)] < ANSIBLE_VERSION_MIN:
raise ansible.errors.AnsibleError(
OLD_VERSION_MSG % (v, ANSIBLE_VERSION_MIN)
)
if v[:len(ANSIBLE_VERSION_MAX)] > ANSIBLE_VERSION_MAX:
raise ansible.errors.AnsibleError(
NEW_VERSION_MSG % (ansible.__version__, ANSIBLE_VERSION_MAX)
)
def _patch_awx_callback():
"""
issue #400: AWX loads a display callback that suffers from thread-safety
@ -245,6 +282,8 @@ class StrategyMixin(object):
Arrange for a mitogen.master.Router to be available for the duration of
the strategy's real run() method.
"""
_assert_supported_release()
ansible_mitogen.process.MuxProcess.start()
run = super(StrategyMixin, self).run
self._add_plugin_paths()

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