OpenStack Compute (Nova)

revert resize fails with Failure: ['FIELD_TYPE_ERROR', 'self']

Reported by Dan Prince on 2011-12-06
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
OpenStack Compute (nova)
High
Dan Prince

Bug Description

Using the latest nova Essex builds I'm getting errors when trying to perform a revert resize operation.

This results in the revert resize operation failing. The instance is then in an unsusable state and is un-pingable, etc.

The following stack trace shows up in the nova-compute log for the host machine the instance was migrated to:

2011-12-06 11:04:05,552 ERROR nova.rpc [-] Exception during message handling
(nova.rpc): TRACE: Traceback (most recent call last):
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line 620, in _process_data
(nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 115, in wrapped
(nova.rpc): TRACE: return f(*args, **kw)
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 116, in decorated_function
(nova.rpc): TRACE: function(self, context, instance_uuid, *args, **kwargs)
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1005, in finish_revert_resize
(nova.rpc): TRACE: self.driver.finish_revert_migration(instance_ref)
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/nova/virt/xenapi_conn.py", line 209, in finish_revert_migration
(nova.rpc): TRACE: self._vmops.finish_revert_migration(instance)
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vmops.py", line 140, in finish_revert_migration
(nova.rpc): TRACE: VMHelper.set_vm_name_label(self._session, vm_ref, name_label)
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/nova/virt/xenapi/vm_utils.py", line 786, in set_vm_name_label
(nova.rpc): TRACE: session.call_xenapi("VM.set_name_label", vm_ref, name_label)
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/nova/virt/xenapi_conn.py", line 493, in call_xenapi
(nova.rpc): TRACE: return tpool.execute(f, *args)
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 76, in tworker
(nova.rpc): TRACE: rv = meth(*args,**kwargs)
(nova.rpc): TRACE: File "/usr/local/lib/python2.7/dist-packages/XenAPI.py", line 229, in __call__
(nova.rpc): TRACE: return self.__send(self.__name, args)
(nova.rpc): TRACE: File "/usr/local/lib/python2.7/dist-packages/XenAPI.py", line 133, in xenapi_request
(nova.rpc): TRACE: result = _parse_result(getattr(self, methodname)(*full_params))
(nova.rpc): TRACE: File "/usr/local/lib/python2.7/dist-packages/XenAPI.py", line 203, in _parse_result
(nova.rpc): TRACE: raise Failure(result['ErrorDescription'])
(nova.rpc): TRACE: Failure: ['FIELD_TYPE_ERROR', 'self']
(nova.rpc): TRACE:

Dan Prince (dan-prince) on 2011-12-06
Changed in nova:
status: New → In Progress
assignee: nobody → Dan Prince (dan-prince)
importance: Undecided → High

Reviewed: https://review.openstack.org/2108
Committed: http://github.com/openstack/nova/commit/882b1e475de1ef71d7d3f0b50a58f91569905a75
Submitter: Jenkins
Branch: master

 status fixcommitted
 done

commit 882b1e475de1ef71d7d3f0b50a58f91569905a75
Author: Dan Prince <email address hidden>
Date: Tue Dec 6 13:49:51 2011 -0500

    Update compute manager so that finish_revert_resize runs on the source
    compute host. Fixes bug #900849.

    Change-Id: I838604a5c623a3970ce36cdb3d12279812eb8401

Changed in nova:
status: In Progress → Fix Committed
Thierry Carrez (ttx) on 2011-12-14
Changed in nova:
milestone: none → essex-2
status: Fix Committed → Fix Released
Thierry Carrez (ttx) on 2012-04-05
Changed in nova:
milestone: essex-2 → 2012.1
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