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I reported an error on the compute node after building nova。

2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager [req-a85e1436-e5a4-4395-ba5c-899d3b21b7bc - - - - -] Error updating resources for node compute.: KeyError: 'allocations'
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager Traceback (most recent call last):
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 7578, in update_available_resource_for_node
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager rt.update_available_resource(context, nodename)
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 720, in update_available_resource
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager self._update_available_resource(context, resources)
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/oslo_concurrency/lockutils.py", line 274, in inner
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager return f(*args, **kwargs)
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 771, in _update_available_resource
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager context, self.compute_nodes[nodename], migrations)
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 1277, in _remove_deleted_instances_allocations
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager context, cn.uuid) or {}
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/__init__.py", line 37, in __run_method
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager return getattr(self.instance, __name)(*args, **kwargs)
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/report.py", line 64, in wrapper
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager return f(self, *a, **k)
2023-06-23 10:04:25.334 15207 ERROR nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/report.py", line 1785, in get_allocations_for_resource_provider

After this error occurs, after building the neutron and creating the virtual machine, it will be unable to create the virtual machine, which will be reported in the controller

NoValidHost: No valid host was found.
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager Traceback (most recent call last):
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/nova/conductor/manager.py", line 1165, in schedule_and_build_instances
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager instance_uuids, return_alternates=True)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/nova/conductor/manager.py", line 760, in _schedule_instances
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager return_alternates=return_alternates)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/utils.py", line 793, in wrapped
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager return func(*args, **kwargs)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/init.py", line 53, in select_destinations
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager instance_uuids, return_objects, return_alternates)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/init.py", line 37, in __run_method
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager return getattr(self.instance, __name)(*args, **kwargs)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/client/query.py", line 42, in select_destinations
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager instance_uuids, return_objects, return_alternates)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/rpcapi.py", line 158, in select_destinations
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager return cctxt.call(ctxt, 'select_destinations', **msg_args)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 174, in call
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager retry=self.retry)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/oslo_messaging/transport.py", line 131, in _send
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager timeout=timeout, retry=retry)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 625, in send
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager retry=retry)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 616, in _send
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager raise result
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager NoValidHost_Remote: No valid host was found.
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager Traceback (most recent call last):
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 229, in inner
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager return func(*args, **kwargs)
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager File "/usr/lib/python2.7/site-packages/nova/scheduler/manager.py", line 139, in select_destinations
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager raise exception.NoValidHost(reason="")
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager NoValidHost: No valid host was found.
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager
2023-06-22 10:57:15.649 3732 ERROR nova.conductor.manager

Note: As the logs were obtained at different times, please ignore the timing issue.

The following will list my nova configuration files. Please review them. Thank you

system is centos 7 2009

When a computer error is found, Error updating resources for node compute.: KeyError: 'allocations' the controller will report it 2023-06-24 10:45:51.133 96992 INFO nova.osapi_compute.wsgi.server [-] 192.168.80.20 "GET /resource_providers/6304d158-7a38-4a61-b6f6-f16c22e27b53/allocations HTTP/1.1" status: 300 len: 720 time: 0.0006239

the placement is Fix bugs
Listen 8778

<VirtualHost *:8778>
  WSGIProcessGroup nova-placement-api
  WSGIApplicationGroup %{GLOBAL}
  WSGIPassAuthorization On
  WSGIDaemonProcess nova-placement-api processes=3 threads=1 user=nova group=nova
  WSGIScriptAlias / /usr/bin/nova-placement-api
  <IfVersion >= 2.4>
    ErrorLogFormat "%M"
  </IfVersion>
  ErrorLog /var/log/nova/nova-placement-api.log
  #SSLEngine On
  #SSLCertificateFile ...
  #SSLCertificateKeyFile ...
</VirtualHost>

Alias /nova-placement-api /usr/bin/nova-placement-api
<Location /nova-placement-api>
  SetHandler wsgi-script
  Options +ExecCGI
  WSGIProcessGroup nova-placement-api
  WSGIApplicationGroup %{GLOBAL}
  WSGIPassAuthorization On
</Location>

<Directory /usr/bin>
  <IfVersion >= 2.4>
        Require all granted
  </IfVersion>
  <IfVersion < 2.4>
        Order allow,deny
        Allow from all
  </IfVersion>
</Directory>
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