[Bug 2042744] Re: su -s /bin/sh -c "keystone-manage db_sync" keystone

[Greg Oster]

Environment: Debian 12.4, Python 3.11.2. Pristine install.

After a few hours digging: the call to main() in /usr/bin/keystone-manage has already completed before the exception occurs, and thus this error is actually happening during python
shutdown.  In /usr/lib/python3/dist-packages/oslo_log/log.py in the function setup() you can simply remove the call to _fix_eventlet_logging(), and the exception goes away.  Digging further, it seems that the lines:

        logging.threading = eventlet.green.threading
        logging._lock = logging.threading.RLock()
	
in _fix_eventlet_logging() together are the trigger - commenting out either of them is sufficient to get rid of the exception.

I'm already much farther down this rabbit hole than I intended, but
perhaps the answer as to what is going on here will be obvious to
someone with more knowledge about python, its threading models, and
logging...

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https://bugs.launchpad.net/bugs/2042744

Title:
  su -s /bin/sh -c "keystone-manage db_sync" keystone

Status in OpenStack Identity (keystone):
  Confirmed
Status in keystone package in Ubuntu:
  Confirmed

Bug description:
  When I execute su -s /bin/sh -c "keystone-manage db_sync" keystone

  I am receiving below error

  Exception ignored in: <function _removeHandlerRef at 0x7f01819b43a0>
  Traceback (most recent call last):
    File "/usr/lib/python3.10/logging/__init__.py", line 846, in _removeHandlerRef
    File "/usr/lib/python3.10/logging/__init__.py", line 226, in _acquireLock
    File "/usr/lib/python3.10/threading.py", line 164, in acquire
    File "/usr/lib/python3/dist-packages/eventlet/green/thread.py", line 34, in get_ident
  AttributeError: 'NoneType' object has no attribute 'getcurrent'

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