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[hua zhao <1852665@xxxxxxxxxxxxxxxxxx>]

** Changed in: nova
       Status: Invalid => New

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https://bugs.launchpad.net/bugs/1852665

Title:
  HostMappingNotFound in wigi.py

Status in OpenStack Compute (nova):
  New

Bug description:
  It seems to be diffrent from #1780727.

  # openstack compute service delete 26

  
  Failed to delete compute service with ID '26': 发生意外 API 错误。请在 http://bugs.launchpad.net/nova/ 处报告此错误，并且附上 Nova API 日志（如果可能）。
  <class 'nova.exception.HostMappingNotFound'> (HTTP 500) (Request-ID: req-a693a664-5834-48c6-acd9-c92d8b2eea28)

  nova-api-log:
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi [req-099cb32c-dfbb-4eaf-a067-a3737720977f 7c177645d83f4a769d51ab4b9801a90d 04627ab3503248cb8d714ac1a44f543f - default default] Unexpected exception in API method: HostMappingNotFound: \u4e3b\u673a 'computer3713hpdl580'\u6ca1\u6709\u6620\u5c04\u5230\u4efb\u4f55\u5355\u5143
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi Traceback (most recent call last):
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/nova/api/openstack/wsgi.py", line 801, in wrapped
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     return f(*args, **kwargs)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/nova/api/openstack/compute/services.py", line 237, in delete
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     service.host)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 79, in wrapped
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     function_name, call_dict, binary, tb)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     self.force_reraise()
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     six.reraise(self.type_, self.value, self.tb)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 69, in wrapped
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     return f(self, context, *args, **kw)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 5416, in remove_host_from_aggregate
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     mapping = objects.HostMapping.get_by_host(context, host_name)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 184, in wrapper
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     result = fn(cls, context, *args, **kwargs)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/nova/objects/host_mapping.py", line 100, in get_by_host
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     db_mapping = cls._get_by_host_from_db(context, host)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 993, in wrapper
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     return fn(*args, **kwargs)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi   File "/usr/lib/python2.7/site-packages/nova/objects/host_mapping.py", line 95, in _get_by_host_from_db
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi     raise exception.HostMappingNotFound(name=host)
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi HostMappingNotFound: \u4e3b\u673a 'computer3713hpdl580'\u6ca1\u6709\u6620\u5c04\u5230\u4efb\u4f55\u5355\u5143
  2019-11-15 08:41:23.576 11235 ERROR nova.api.openstack.wsgi 
  。

  # openstack compute service list |egrep "(3713|ID)"
  | ID | Binary           | Host                | Zone      | Status   | State | Updated At                 |
  | 26 | nova-compute     | computer3713hpdl580 | sugonZone | disabled | down  | 2019-07-24T01:25:20.000000 |

  # nova service-list |egrep "(3713|Id)"
  | Id                                   | Binary           | Host                | Zone      | Status   | State | Updated_at                 | Disabled Reason | Forced down |
  | 8045be15-4866-4d2f-8cb5-79cca0f9744f | nova-compute     | computer3713hpdl580 | sugonZone | disabled | down  | 2019-07-24T01:25:20.000000 | hostnotexist    | False       |

  
  # openstack module list
  +-----------------+--------+
  | Field           | Value  |
  +-----------------+--------+
  | barbicanclient  | 4.7.2  |
  | cinderclient    | 4.0.1  |
  | designateclient | 2.10.0 |
  | keystoneclient  | 3.17.0 |
  | novaclient      | 11.0.0 |
  | openstack       | 0.17.2 |
  | openstackclient | 3.16.2 |
  | swiftclient     | 3.6.0  |
  +-----------------+--------+

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