Bug 1259825

Summary:	live migration fails, because incorrect arguments order passed to method
Product:	Red Hat OpenStack	Reporter:	Stephen Gordon <sgordon>
Component:	openstack-nova	Assignee:	Vladik Romanovsky <vromanso>
Status:	CLOSED CURRENTRELEASE	QA Contact:	nlevinki <nlevinki>
Severity:	high	Docs Contact:
Priority:	high
Version:	7.0 (Kilo)	CC:	berrange, dasmith, eglynn, kchamart, sbauza, sferdjao, sgordon, srevivo, vromanso
Target Milestone:	z5	Keywords:	ZStream
Target Release:	7.0 (Kilo)
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-07-18 13:52:23 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1255440

Description Stephen Gordon 2015-09-03 15:00:37 UTC

Cloned from launchpad bug 1442656.

Description:

steps to reproduce:
1.boot instance
2. call nova live-migration instance

2015-04-10 09:03:42.621 ERROR root [req-73637bbe-9a23-4ce9-92c8-d3bbceaf8341 admin admin] Original exception being dropped: ['Traceback (most recent call last):\n', '  File "/opt/stack/nova/nova/compute/manager.py", line 340, in decorated_function\n    return function(self, context, *args, **kwargs)\n', '  File "/opt/stack/nova/nova/compute/manager.py", line 5202, in live_migration\n    expected_attrs=expected)\n', '  File "/opt/stack/nova/nova/objects/instance.py", line 489, in _from_db_object\n    instance[field] = db_inst[field]\n', 'TypeError: string indices must be integers\n']
2015-04-10 09:03:42.622 ERROR oslo_messaging.rpc.dispatcher [req-73637bbe-9a23-4ce9-92c8-d3bbceaf8341 admin admin] Exception during message handling: 'unicode' object has no attribute 'uuid'
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher Traceback (most recent call last):
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher     executor_callback))
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher     executor_callback)
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher   File "/opt/stack/nova/nova/compute/manager.py", line 6663, in live_migration
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher     migrate_data=migrate_data)
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher   File "/opt/stack/nova/nova/exception.py", line 88, in wrapped
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher     payload)
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 85, in __exit__
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher     six.reraise(self.type_, self.value, self.tb)
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher   File "/opt/stack/nova/nova/exception.py", line 71, in wrapped
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher     return f(self, context, *args, **kw)
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher   File "/opt/stack/nova/nova/compute/manager.py", line 352, in decorated_function
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher     kwargs['instance'], e, sys.exc_info())
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher   File "/opt/stack/nova/nova/compute/utils.py", line 87, in add_instance_fault_from_exc
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher     fault_obj.instance_uuid = instance.uuid
2015-04-10 09:03:42.622 TRACE oslo_messaging.rpc.dispatcher AttributeError: 'unicode' object has no attribute 'uuid'

Specification URL (additional information):

https://bugs.launchpad.net/nova/+bug/1442656