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Message #24685
[Bug 1166927] Re: Migrating multiple instances causes 'u'\'NoneType\' object is unsubscriptable ' Error
** Changed in: nova
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1166927
Title:
Migrating multiple instances causes 'u'\'NoneType\' object is
unsubscriptable ' Error
Status in OpenStack Compute (Nova):
Invalid
Bug description:
* When I do a resize-confirm on instances that have been migrated I
get a unsubscriptable error.
(1). Boot multiple instances
nova boot --image 9792609f-7b42-424b-9826-ae31c426f0bd --flavor 1 MIGRATE1
nova boot --image 9792609f-7b42-424b-9826-ae31c426f0bd --flavor 1 MIGRATE2
nova boot --image 9792609f-7b42-424b-9826-ae31c426f0bd --flavor 1 MIGRATE3
MIGRATE1:::vs33x-instance-00000053:::olyblade02
MIGRATE2:::vs33x-instance-00000054:::olyblade02
MIGRATE3:::vs33x-instance-00000055:::olyblade02
[root@vs339 ~]# nova list
+--------------------------------------+----------+--------+-------------------+
| ID | Name | Status | Networks |
+--------------------------------------+----------+--------+-------------------+
| 01761a76-1fe9-40ae-9f31-ebd019c7c8c6 | MIGRATE1 | ACTIVE | network1=10.0.1.4 |
| 3dfe852f-e0e5-4511-a16d-3ff7b3f278a2 | MIGRATE2 | ACTIVE | network1=10.0.1.3 |
| d800eab4-f91e-48f9-b208-e5821f4da6b1 | MIGRATE3 | ACTIVE | network1=10.0.1.6 |
+--------------------------------------+----------+--------+-------------------+
(2). Migrate the instances
* They all came back to verify_resize state:
+--------------------------------------+----------+---------------+-------------------+
| ID | Name | Status | Networks |
+--------------------------------------+----------+---------------+-------------------+
| 01761a76-1fe9-40ae-9f31-ebd019c7c8c6 | MIGRATE1 | VERIFY_RESIZE | network1=10.0.1.4 |
| 3dfe852f-e0e5-4511-a16d-3ff7b3f278a2 | MIGRATE2 | VERIFY_RESIZE | network1=10.0.1.3 |
| d800eab4-f91e-48f9-b208-e5821f4da6b1 | MIGRATE3 | VERIFY_RESIZE | network1=10.0.1.6 |
+--------------------------------------+----------+---------------+-------------------+
(3). Resize-confirm
* Attempt a resize-confirm on the instances
- My instance went to ERROR
[root@vs339 ~]# nova list
+--------------------------------------+----------+--------+-------------------+
| ID | Name | Status | Networks |
+--------------------------------------+----------+--------+-------------------+
| 01761a76-1fe9-40ae-9f31-ebd019c7c8c6 | MIGRATE1 | ERROR | network1=10.0.1.4 |
| 3dfe852f-e0e5-4511-a16d-3ff7b3f278a2 | MIGRATE2 | ACTIVE | network1=10.0.1.3 |
| d800eab4-f91e-48f9-b208-e5821f4da6b1 | MIGRATE3 | ACTIVE | network1=10.0.1.6 |
+--------------------------------------+----------+--------+-------------------+
[root@vs339 ~]# nova show MIGRATE1
+-------------------------------------+------------------------------------------------------------------------------------------------------------------------+
| Property | Value |
+-------------------------------------+------------------------------------------------------------------------------------------------------------------------+
| status | ERROR |
| updated | 2013-04-09T16:20:47Z |
| OS-EXT-STS:task_state | None |
| OS-EXT-SRV-ATTR:host | vs339.rch.kstart.ibm.com |
| key_name | None |
| image | Rhel6MasterFile (9792609f-7b42-424b-9826-ae31c426f0bd) |
| network1 network | 10.0.1.4 |
| hostId | d9d08dd10c89d762c75d081740e855c61bf3bf5c1083e4b73738dfdb |
| OS-EXT-STS:vm_state | error |
| OS-EXT-SRV-ATTR:instance_name | vs33x-instance-00000053 |
| OS-EXT-SRV-ATTR:hypervisor_hostname | olyblade01.rch.stglabs.ibm.com |
| flavor | m1.tiny (1) |
| id | 01761a76-1fe9-40ae-9f31-ebd019c7c8c6 |
| security_groups | [{u'name': u'default'}] |
| user_id | 63233eadd9b1471c98b113d1b0af6c29 |
| name | MIGRATE1 |
| created | 2013-04-09T15:37:45Z |
| tenant_id | b95d5e33d9b84a8e96787bcf6d91fc5c |
| OS-DCF:diskConfig | MANUAL |
| metadata | {} |
| accessIPv4 | |
| accessIPv6 | |
| fault | {u'message': u'TypeError', u'code': 500, u'details': u'\'NoneType\' object is unsubscriptable |
| | File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 230, in decorated_function |
| | return function(self, context, *args, **kwargs) |
| | File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 2048, in confirm_resize |
| | rt.confirm_resize(context, migration) |
| | File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 373, in confirm_resize |
| | self.update_available_resource(elevated) |
| | File "/usr/lib/python2.6/site-packages/nova/openstack/common/lockutils.py", line 242, in inner |
| | retval = f(*args, **kwargs) |
| | File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 269, in update_available_resource |
| | self._update_usage_from_migrations(resources, migrations) |
| | File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 466, in _update_usage_from_migrations |
| | migration) |
| | File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 426, in _update_usage_from_migration |
| | itype = instance_types.extract_instance_type(instance, \'old_\') |
| | File "/usr/lib/python2.6/site-packages/nova/compute/instance_types.py", line 247, in extract_instance_type |
| | sys_meta = utils.metadata_to_dict(instance[\'system_metadata\']) |
| | ', u'created': u'2013-04-09T16:21:07Z'} |
| OS-EXT-STS:power_state | 1 |
| OS-EXT-AZ:availability_zone | nova |
| config_drive | |
+-------------------------------------+------------------------------------------------------------------------------------------------------------------------+
- I hit the unsubscritable error:
2013-04-09 11:18:20.971 1192 ERROR nova.manager [-] Error during ComputeManager.update_available_resource: 'NoneType' object is unsubscriptable
2013-04-09 11:18:20.971 1192 TRACE nova.manager Traceback (most recent call last):
2013-04-09 11:18:20.971 1192 TRACE nova.manager File "/usr/lib/python2.6/site-packages/nova/manager.py", line 244, in periodic_tasks
2013-04-09 11:18:20.971 1192 TRACE nova.manager task(self, context)
2013-04-09 11:18:20.971 1192 TRACE nova.manager File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 3862, in update_available_resource
2013-04-09 11:18:20.971 1192 TRACE nova.manager rt.update_available_resource(context)
2013-04-09 11:18:20.971 1192 TRACE nova.manager File "/usr/lib/python2.6/site-packages/nova/openstack/common/lockutils.py", line 242, in inner
2013-04-09 11:18:20.971 1192 TRACE nova.manager retval = f(*args, **kwargs)
2013-04-09 11:18:20.971 1192 TRACE nova.manager File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 269, in update_available_resource
2013-04-09 11:18:20.971 1192 TRACE nova.manager self._update_usage_from_migrations(resources, migrations)
2013-04-09 11:18:20.971 1192 TRACE nova.manager File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 466, in _update_usage_from_migrations
2013-04-09 11:18:20.971 1192 TRACE nova.manager migration)
2013-04-09 11:18:20.971 1192 TRACE nova.manager File "/usr/lib/python2.6/site-packages/nova/compute/resource_tracker.py", line 426, in _update_usage_from_migration
2013-04-09 11:18:20.971 1192 TRACE nova.manager itype = instance_types.extract_instance_type(instance, 'old_')
2013-04-09 11:18:20.971 1192 TRACE nova.manager File "/usr/lib/python2.6/site-packages/nova/compute/instance_types.py", line 247, in extract_instance_type
2013-04-09 11:18:20.971 1192 TRACE nova.manager sys_meta = utils.metadata_to_dict(instance['system_metadata'])
2013-04-09 11:18:20.971 1192 TRACE nova.manager TypeError: 'NoneType' object is unsubscriptable
2013-04-09 11:18:20.971 1192 TRACE nova.manager
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