Issue is with devstack default config.
** Changed in: nova
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1644891
Title:
Guest shouldn't be migrated to same host
Status in OpenStack Compute (nova):
Invalid
Bug description:
Description
===========
Issuing a migrate (not live migrate) on a guest can get it to be
scheduled on the same host.
Some hypervisor allows resize on the same host, but not libvirt.
Anyhow, by definition, migrate should be scheduled on a different
host.
Steps to reproduce
==================
1) Boot a guest
2) Migrate the guest
Expected result
===============
The guest should be re-scheduled on a different host.
Actual result
=============
It's possible for the guest to be migrated to the same host as where
it is currently running.
Environment
===========
commit 7188bd01ec0264f6efee1ee5014a9edf71a57e5b
Merge: 2249898 6a85a98
Author: Jenkins <[email protected]>
Date: Fri Nov 25 16:57:47 2016 +0000
Merge "libvirt: prepare domain XML update for serial ports"
Logs & Configs
==============
2016-11-25 12:41:33.240 ERROR oslo_messaging.rpc.server
[req-9d87c551-563d-4443-8a62-784a2a5a5670 admin demo] Exception during message
handling
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server Traceback (most
recent call last):
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 155, in
_process_incoming
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server res =
self.dispatcher.dispatch(message)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 225,
in dispatch
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server return
self._do_dispatch(endpoint, method, ctxt, args)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 195,
in _do_dispatch
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server result =
func(ctxt, **new_args)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/exception_wrapper.py", line 75, in wrapped
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server function_name,
call_dict, binary)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
self.force_reraise()
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
six.reraise(self.type_, self.value, self.tb)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/exception_wrapper.py", line 66, in wrapped
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server return f(self,
context, *args, **kw)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 188, in decorated_function
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server LOG.warning(msg,
e, instance=instance)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
self.force_reraise()
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
six.reraise(self.type_, self.value, self.tb)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 157, in decorated_function
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server return
function(self, context, *args, **kwargs)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/utils.py", line 664, in decorated_function
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server return
function(self, context, *args, **kwargs)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 216, in decorated_function
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
kwargs['instance'], e, sys.exc_info())
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
self.force_reraise()
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
six.reraise(self.type_, self.value, self.tb)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 204, in decorated_function
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server return
function(self, context, *args, **kwargs)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 3724, in prep_resize
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server filter_properties)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 3775, in
_reschedule_resize_or_reraise
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
six.reraise(*exc_info)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 3713, in prep_resize
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server node,
clean_shutdown)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 3652, in _prep_resize
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
instance_id=instance.uuid, host=self.host)
2016-11-25 12:41:33.240 TRACE oslo_messaging.rpc.server
UnableToMigrateToSelf: Unable to migrate instance
(25ee00f2-fa5b-4cc4-bceb-486a95979d43) to current host (IronPass-2).
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