This goes back to Rocky when the CPUWeigher was added:
https://review.opendev.org/#/c/379525/
** Changed in: nova
Status: New => Triaged
** Changed in: nova
Importance: Undecided => High
** Also affects: nova/rocky
Importance: Undecided
Status: New
** Also affects: nova/stein
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1834694
Title:
TypeError: unsupported operand type(s) for *: 'int' and 'NoneType' in
CPUWeigher
Status in OpenStack Compute (nova):
Triaged
Status in OpenStack Compute (nova) rocky series:
New
Status in OpenStack Compute (nova) stein series:
New
Bug description:
This is similar to bug 1834691 in that the CPUWeigher can hit this
error:
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server [None req-df4ac006-fddf-4e6f-9c5e-1c352be60d9b admin
admin] Exception during message handling
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server Traceback (most recent call last):
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line
165, in _p
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server res = self.dispatcher.dispatch(message)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
274, i
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server return self._do_dispatch(endpoint, method, ctxt,
args)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
194, i
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server result = func(ctxt, **new_args)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line
228, in in
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server return func(*args, **kwargs)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File "/opt/stack/nova/nova/scheduler/manager.py",
line 192, in select_destinations
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server allocation_request_version, return_alternates)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File
"/opt/stack/nova/nova/scheduler/filter_scheduler.py", line 96, in
select_destinations
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server allocation_request_version, return_alternates)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File
"/opt/stack/nova/nova/scheduler/filter_scheduler.py", line 210, in _schedule
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server hosts = self._get_sorted_hosts(spec_obj, hosts,
num)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File
"/opt/stack/nova/nova/scheduler/filter_scheduler.py", line 449, in
_get_sorted_hosts
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server spec_obj)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File
"/opt/stack/nova/nova/scheduler/host_manager.py", line 601, in get_weighed_hosts
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server hosts, spec_obj)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File "/opt/stack/nova/nova/weights.py", line 137,
in get_weighed_objects
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server weights = weigher.weigh_objects(weighed_objs,
weighing_properties)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File "/opt/stack/nova/nova/weights.py", line 107,
in weigh_objects
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server weight = self._weigh_object(obj.obj,
weight_properties)
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server File
"/opt/stack/nova/nova/scheduler/weights/cpu.py", line 44, in _weigh_object
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server host_state.vcpus_total *
host_state.cpu_allocation_ratio -
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server TypeError: unsupported operand type(s) for *: 'int'
and 'NoneType'
Jun 28 20:26:07 devstack nova-scheduler[24099]: ERROR
oslo_messaging.rpc.server
If the HostState.cpu_allocation_ratio is not set here:
https://github.com/openstack/nova/blob/231908a7f42b8329a58e62c8a89204fdeaa16dca/nova/scheduler/host_manager.py#L256
Because we return early here:
https://github.com/openstack/nova/blob/231908a7f42b8329a58e62c8a89204fdeaa16dca/nova/scheduler/host_manager.py#L193
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