Public bug reported: get_binding_levels can return None if the binding host is None. But the patch [1] did not handle such case. The code will raise a TypeError.
[1] https://review.opendev.org/c/openstack/neutron/+/606827 Bug was first found in stable/rocky, but the master branch has same code. ERROR logs: 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 142, in wrapper 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server return f(*args, **kwargs) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 183, in wrapped 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server LOG.debug("Retry wrapper got retriable exception: %s", e) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__ 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server self.force_reraise() 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server six.reraise(self.type_, self.value, self.tb) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 179, in wrapped 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server return f(*dup_args, **dup_kwargs) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/plugin.py", line 491, in _bind_port_if_needed 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server need_notify, try_again)) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/plugin.py", line 679, in _commit_port_binding 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server for level in levels: 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server TypeError: 'NoneType' object is not iterable 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server ** Affects: neutron Importance: Low Assignee: LIU Yulong (dragon889) Status: In Progress -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to neutron. https://bugs.launchpad.net/bugs/1906381 Title: [L2] current binding port get type errors Status in neutron: In Progress Bug description: get_binding_levels can return None if the binding host is None. But the patch [1] did not handle such case. The code will raise a TypeError. [1] https://review.opendev.org/c/openstack/neutron/+/606827 Bug was first found in stable/rocky, but the master branch has same code. ERROR logs: 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 142, in wrapper 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server return f(*args, **kwargs) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 183, in wrapped 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server LOG.debug("Retry wrapper got retriable exception: %s", e) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__ 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server self.force_reraise() 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server six.reraise(self.type_, self.value, self.tb) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/neutron_lib/db/api.py", line 179, in wrapped 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server return f(*dup_args, **dup_kwargs) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/plugin.py", line 491, in _bind_port_if_needed 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server need_notify, try_again)) 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/plugin.py", line 679, in _commit_port_binding 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server for level in levels: 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server TypeError: 'NoneType' object is not iterable 2020-11-30 16:46:55.942 62088 ERROR oslo_messaging.rpc.server To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1906381/+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

