Public bug reported: https://review.opendev.org/#/c/684118/ recently merged and is causing an issue because a variable used in the log message isn't in scope:
Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server [None req-72524ba6-86bf-479d-a09f-9a9d302f7d2f demo demo] Exception during message handling: UnboundLocalError: local variable 'cell_uuid' referenced before assignment Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server Traceback (most recent call last): Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 165, in _process_incoming Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server res = self.dispatcher.dispatch(message) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 274, in dispatch Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server return self._do_dispatch(endpoint, method, ctxt, args) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 194, in _do_dispatch Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server result = func(ctxt, **new_args) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 235, in inner Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server return func(*args, **kwargs) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/manager.py", line 214, in select_destinations Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server allocation_request_version, return_alternates) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/filter_scheduler.py", line 96, in select_destinations Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server allocation_request_version, return_alternates) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/filter_scheduler.py", line 152, in _schedule Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server provider_summaries) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/filter_scheduler.py", line 494, in _get_all_host_states Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server spec_obj) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/host_manager.py", line 774, in get_host_states_by_uuids Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server context, cells, compute_uuids=compute_uuids) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/host_manager.py", line 640, in _get_computes_for_cells Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server targeted_operation) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/context.py", line 449, in scatter_gather_cells Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server cell_uuid, exc_info=True) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server UnboundLocalError: local variable 'cell_uuid' referenced before assignment Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server The fix is here: https://review.opendev.org/#/c/686996/ Apparently we don't have test coverage for that code. ** Affects: nova Importance: High Assignee: Rico Lin (rico-lin) Status: In Progress ** Changed in: nova Status: New => In Progress ** Changed in: nova Importance: Undecided => High ** Changed in: nova Assignee: (unassigned) => Rico Lin (rico-lin) -- 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/1847131 Title: UnboundLocalError: local variable 'cell_uuid' referenced before assignment Status in OpenStack Compute (nova): In Progress Bug description: https://review.opendev.org/#/c/684118/ recently merged and is causing an issue because a variable used in the log message isn't in scope: Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server [None req-72524ba6-86bf-479d-a09f-9a9d302f7d2f demo demo] Exception during message handling: UnboundLocalError: local variable 'cell_uuid' referenced before assignment Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server Traceback (most recent call last): Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 165, in _process_incoming Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server res = self.dispatcher.dispatch(message) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 274, in dispatch Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server return self._do_dispatch(endpoint, method, ctxt, args) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 194, in _do_dispatch Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server result = func(ctxt, **new_args) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 235, in inner Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server return func(*args, **kwargs) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/manager.py", line 214, in select_destinations Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server allocation_request_version, return_alternates) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/filter_scheduler.py", line 96, in select_destinations Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server allocation_request_version, return_alternates) Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/filter_scheduler.py", line 152, in _schedule Oct 07 07:16:51.372050 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server provider_summaries) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/filter_scheduler.py", line 494, in _get_all_host_states Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server spec_obj) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/host_manager.py", line 774, in get_host_states_by_uuids Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server context, cells, compute_uuids=compute_uuids) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/scheduler/host_manager.py", line 640, in _get_computes_for_cells Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server targeted_operation) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server File "/opt/stack/new/nova/nova/context.py", line 449, in scatter_gather_cells Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server cell_uuid, exc_info=True) Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server UnboundLocalError: local variable 'cell_uuid' referenced before assignment Oct 07 07:16:51.374461 ubuntu-bionic-ovh-bhs1-0012185489 nova-scheduler[28235]: ERROR oslo_messaging.rpc.server The fix is here: https://review.opendev.org/#/c/686996/ Apparently we don't have test coverage for that code. 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