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[Bug 1618822] [NEW] downgrade the exception log in update_instance_cache_with_nw_info

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Public bug reported:

when compute node is down, nova api can accept delete action and delete the instance
then during compute start up, periodic task will check whether the instance is deleted in api layer
 then performance actions

saw those logs because actually the info case is already deleted so it's
a valid case and should not report this exception ,just a log info
should be fine

2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] Traceback (most recent call last):
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/network/base_api.py", line 50, in update_instance_cache_with_nw_info
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     ic.save(update_cells=update_cells)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 197, in wrapper
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     ctxt, self, fn.__name__, args, kwargs)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/conductor/rpcapi.py", line 242, in object_action
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     objmethod=objmethod, args=args, kwargs=kwargs)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 158, in call
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     retry=self.retry)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_messaging/transport.py", line 90, in _send
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     timeout=timeout, retry=retry)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 431, in send
ages/oslo_messaging/_drivers/amqpdriver.py", line 431, in send
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     retry=retry)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 422, in _send
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     raise result
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] InstanceInfoCacheNotFound_Remote: Info cache for instance d6a78566-0f7d-4173-b35a-b45d2054ba71 could not be found.
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] Traceback (most recent call last):
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/conductor/manager.py", line 447, in _object_dispatch
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     return getattr(target, method)(*args, **kwargs)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 213, in wrapper
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     return fn(self, *args, **kwargs)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/objects/instance_info_cache.py", line 98, in save
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     {'network_info': nw_info_json})
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/db/api.py", line 857, in instance_info_cache_update
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     return IMPL.instance_info_cache_update(context, instance_uuid, values)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api.py", line 216, in wrapper
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     return f(*args, **kwargs)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api.py", line 2684, in instance_info_cache_update
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     instance_uuid=instance_uuid)
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] InstanceInfoCacheNotFound: Info cache for instance d6a78566-0f7d-4173-b35a-b45d2054ba71 could not be found.
2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]


2016-08-31 10:13:57.101 25191 WARNING nova.compute.manager [req-7801f16c-8845-4825-a18e-9806d142882c - - - - -] [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] Periodic cleanup failed to delete instance: Info cache for instance d6a78566-0f7d-4173-b35a-b45d2054ba71 could not be found.
Traceback (most recent call last):

  File "/usr/lib/python2.7/site-packages/nova/conductor/manager.py", line 447, in _object_dispatch
    return getattr(target, method)(*args, **kwargs)

  File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 213, in wrapper
    return fn(self, *args, **kwargs)

  File "/usr/lib/python2.7/site-packages/nova/objects/instance_info_cache.py", line 98, in save
    {'network_info': nw_info_json})

  File "/usr/lib/python2.7/site-packages/nova/db/api.py", line 857, in instance_info_cache_update
    return IMPL.instance_info_cache_update(context, instance_uuid, values)

  File "/usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api.py", line 216, in wrapper
    return f(*args, **kwargs)

  File "/usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api.py", line 2684, in instance_info_cache_update
    instance_uuid=instance_uuid)

InstanceInfoCacheNotFound: Info cache for instance d6a78566-0f7d-4173
-b35a-b45d2054ba71 could not be found.

** Affects: nova
     Importance: Undecided
     Assignee: jichenjc (jichenjc)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => jichenjc (jichenjc)

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https://bugs.launchpad.net/bugs/1618822

Title:
  downgrade the exception log in update_instance_cache_with_nw_info

Status in OpenStack Compute (nova):
  New

Bug description:
  when compute node is down, nova api can accept delete action and delete the instance
  then during compute start up, periodic task will check whether the instance is deleted in api layer
   then performance actions

  saw those logs because actually the info case is already deleted so
  it's a valid case and should not report this exception ,just a log
  info should be fine

  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] Traceback (most recent call last):
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/network/base_api.py", line 50, in update_instance_cache_with_nw_info
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     ic.save(update_cells=update_cells)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 197, in wrapper
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     ctxt, self, fn.__name__, args, kwargs)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/conductor/rpcapi.py", line 242, in object_action
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     objmethod=objmethod, args=args, kwargs=kwargs)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 158, in call
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     retry=self.retry)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_messaging/transport.py", line 90, in _send
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     timeout=timeout, retry=retry)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 431, in send
  ages/oslo_messaging/_drivers/amqpdriver.py", line 431, in send
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     retry=retry)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 422, in _send
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     raise result
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] InstanceInfoCacheNotFound_Remote: Info cache for instance d6a78566-0f7d-4173-b35a-b45d2054ba71 could not be found.
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] Traceback (most recent call last):
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/conductor/manager.py", line 447, in _object_dispatch
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     return getattr(target, method)(*args, **kwargs)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 213, in wrapper
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     return fn(self, *args, **kwargs)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/objects/instance_info_cache.py", line 98, in save
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     {'network_info': nw_info_json})
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/db/api.py", line 857, in instance_info_cache_update
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     return IMPL.instance_info_cache_update(context, instance_uuid, values)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api.py", line 216, in wrapper
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     return f(*args, **kwargs)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]   File "/usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api.py", line 2684, in instance_info_cache_update
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]     instance_uuid=instance_uuid)
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] InstanceInfoCacheNotFound: Info cache for instance d6a78566-0f7d-4173-b35a-b45d2054ba71 could not be found.
  2016-08-31 10:13:56.878 25191 ERROR nova.network.base_api [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71]


  
  2016-08-31 10:13:57.101 25191 WARNING nova.compute.manager [req-7801f16c-8845-4825-a18e-9806d142882c - - - - -] [instance: d6a78566-0f7d-4173-b35a-b45d2054ba71] Periodic cleanup failed to delete instance: Info cache for instance d6a78566-0f7d-4173-b35a-b45d2054ba71 could not be found.
  Traceback (most recent call last):

    File "/usr/lib/python2.7/site-packages/nova/conductor/manager.py", line 447, in _object_dispatch
      return getattr(target, method)(*args, **kwargs)

    File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 213, in wrapper
      return fn(self, *args, **kwargs)

    File "/usr/lib/python2.7/site-packages/nova/objects/instance_info_cache.py", line 98, in save
      {'network_info': nw_info_json})

    File "/usr/lib/python2.7/site-packages/nova/db/api.py", line 857, in instance_info_cache_update
      return IMPL.instance_info_cache_update(context, instance_uuid, values)

    File "/usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api.py", line 216, in wrapper
      return f(*args, **kwargs)

    File "/usr/lib/python2.7/site-packages/nova/db/sqlalchemy/api.py", line 2684, in instance_info_cache_update
      instance_uuid=instance_uuid)

  InstanceInfoCacheNotFound: Info cache for instance d6a78566-0f7d-4173
  -b35a-b45d2054ba71 could not be found.

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