Reviewed: https://review.opendev.org/707474 Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=2078ef850c93b47ec1bcd044450b589d7a8fc0b5 Submitter: Zuul Branch: master
commit 2078ef850c93b47ec1bcd044450b589d7a8fc0b5 Author: Corey Bryant <[email protected]> Date: Wed Feb 12 16:32:40 2020 -0500 Monkey patch original current_thread _active Monkey patch the original current_thread to use the up-to-date _active global variable. This solution is based on that documented at: https://github.com/eventlet/eventlet/issues/592 Change-Id: I4872169413f27aeaff8d8fdfa5cdaf6ee32f4680 Closes-Bug: #1863021 ** Changed in: nova Status: In Progress => Fix Released ** Bug watch added: github.com/eventlet/eventlet/issues #592 https://github.com/eventlet/eventlet/issues/592 -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1863021 Title: eventlet monkey patch results in assert len(_active) == 1 AssertionError Status in OpenStack Compute (nova): Fix Released Status in nova package in Ubuntu: Fix Released Bug description: This appears to be the same issue documented here: https://github.com/eventlet/eventlet/issues/592 However I seem to only hit this with python3.8. Basically nova services fail with: Exception ignored in: <function _after_fork at 0x7f1100d075e0> Traceback (most recent call last): File "/usr/lib/python3.8/threading.py", line 1454, in _after_fork assert len(_active) == 1 AssertionError: Exception ignored in: <function _after_fork at 0x7f1100d075e0> Traceback (most recent call last): File "/usr/lib/python3.8/threading.py", line 1454, in _after_fork assert len(_active) == 1 AssertionError: Patching nova/monkey_patch.py with the following appears to fix this: diff --git a/nova/monkey_patch.py b/nova/monkey_patch.py index a07ff91dac..bb7252c643 100644 --- a/nova/monkey_patch.py +++ b/nova/monkey_patch.py @@ -59,6 +59,9 @@ def _monkey_patch(): else: eventlet.monkey_patch() + import __original_module_threading + import threading + __original_module_threading.current_thread.__globals__['_active'] = threading._active # NOTE(rpodolyaka): import oslo_service first, so that it makes eventlet # hub use a monotonic clock to avoid issues with drifts of system time (see To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1863021/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : [email protected] Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp

