Public bug reported: Because of the instance object lazy loading its possible to get into situations where the API code is half way through assembling data to return to the client when the instance disappears underneath it. We really need to ensure everything we will need is retreived up front so we have a consistent snapshot view of the instance
[req-5ca39eb3-c1d2-433b-8dac-1bf5f338ce1f ServersAdminNegativeV3Test-1453501114 ServersAdminNegativeV3Test-364813115] Unexpected exception in API method 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions Traceback (most recent call last): 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/api/openstack/extensions.py", line 473, in wrapped 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions return f(*args, **kwargs) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/api/openstack/compute/plugins/v3/servers.py", line 410, in show 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions return self._view_builder.show(req, instance) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/api/openstack/compute/views/servers.py", line 268, in show 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions _inst_fault = self._get_fault(request, instance) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/api/openstack/compute/views/servers.py", line 214, in _get_fault 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions fault = instance.fault 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/objects/base.py", line 67, in getter 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions self.obj_load_attr(name) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/objects/instance.py", line 520, in obj_load_attr 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions expected_attrs=[attrname]) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/objects/base.py", line 153, in wrapper 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions result = fn(cls, context, *args, **kwargs) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/objects/instance.py", line 310, in get_by_uuid 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions use_slave=use_slave) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/db/api.py", line 676, in instance_get_by_uuid 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions columns_to_join, use_slave=use_slave) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/db/sqlalchemy/api.py", line 167, in wrapper 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/db/sqlalchemy/api.py", line 1715, in instance_get_by_uuid 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions columns_to_join=columns_to_join, use_slave=use_slave) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/db/sqlalchemy/api.py", line 1727, in _instance_get_by_uuid 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions raise exception.InstanceNotFound(instance_id=uuid) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions InstanceNotFound: Instance fcff276a-d410-4760-9b98-4014024b1353 could not be found. 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions http://logs.openstack.org/periodic-qa/periodic-tempest-dsvm- nova-v3-full-master/a278802/logs/screen-n-api.txt ** Affects: nova Importance: Medium Assignee: Christopher Yeoh (cyeoh-0) Status: New ** Tags: api -- 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/1352659 Title: race in server show api Status in OpenStack Compute (Nova): New Bug description: Because of the instance object lazy loading its possible to get into situations where the API code is half way through assembling data to return to the client when the instance disappears underneath it. We really need to ensure everything we will need is retreived up front so we have a consistent snapshot view of the instance [req-5ca39eb3-c1d2-433b-8dac-1bf5f338ce1f ServersAdminNegativeV3Test-1453501114 ServersAdminNegativeV3Test-364813115] Unexpected exception in API method 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions Traceback (most recent call last): 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/api/openstack/extensions.py", line 473, in wrapped 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions return f(*args, **kwargs) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/api/openstack/compute/plugins/v3/servers.py", line 410, in show 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions return self._view_builder.show(req, instance) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/api/openstack/compute/views/servers.py", line 268, in show 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions _inst_fault = self._get_fault(request, instance) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/api/openstack/compute/views/servers.py", line 214, in _get_fault 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions fault = instance.fault 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/objects/base.py", line 67, in getter 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions self.obj_load_attr(name) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/objects/instance.py", line 520, in obj_load_attr 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions expected_attrs=[attrname]) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/objects/base.py", line 153, in wrapper 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions result = fn(cls, context, *args, **kwargs) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/objects/instance.py", line 310, in get_by_uuid 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions use_slave=use_slave) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/db/api.py", line 676, in instance_get_by_uuid 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions columns_to_join, use_slave=use_slave) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/db/sqlalchemy/api.py", line 167, in wrapper 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/db/sqlalchemy/api.py", line 1715, in instance_get_by_uuid 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions columns_to_join=columns_to_join, use_slave=use_slave) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions File "/opt/stack/new/nova/nova/db/sqlalchemy/api.py", line 1727, in _instance_get_by_uuid 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions raise exception.InstanceNotFound(instance_id=uuid) 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions InstanceNotFound: Instance fcff276a-d410-4760-9b98-4014024b1353 could not be found. 2014-08-04 06:37:25.738 21228 TRACE nova.api.openstack.extensions http://logs.openstack.org/periodic-qa/periodic-tempest-dsvm- nova-v3-full-master/a278802/logs/screen-n-api.txt To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1352659/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp