[Yahoo-eng-team] [Bug 1707830] [NEW] resize to smaller flavor failed, but has not error message on dashboard

Zhaokun Fu Mon, 31 Jul 2017 20:42:07 -0700

Public bug reported:

When use resize instance, resize fails for smaller disk in new flavor,
but dashboard has no error message.


Steps to reproduce:
1.) Create instance(using cirros is OK) with a flavor A-1-1-10(1 vcpu, 1024M 
memory, 10G disk)
2.) Try resize instance to flavor which has smaller root disk B-1-1-1(1 vcpu, 
1024M memory, 1G disk)

Expected result:
show error message on dashboard.Something like unable to resize disk down.

Actual result:
No error message showed on dashboard.

Logs:
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server 
[req-6f03b653-9c79-48fe-b40b-99c99c92687e ff8d89b8eda64c8f9a46548744db65d2 
5a7d5cf5df734994bac9ff1d4f475bca - - -] Exception during message handling
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server Traceback (most 
recent call last):
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", 
line 155, in _process_incoming
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     res = 
self.dispatcher.dispatch(message)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
 line 222, in dispatch
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
self._do_dispatch(endpoint, method, ctxt, args)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
 line 192, in _do_dispatch
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     result = 
func(ctxt, **new_args)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/exception_wrapper.py", 
line 75, in wrapped
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     function_name, 
call_dict, binary)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.force_reraise()
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
six.reraise(self.type_, self.value, self.tb)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/exception_wrapper.py", 
line 66, in wrapped
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return f(self, 
context, *args, **kw)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
188, in decorated_function
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     LOG.warning(msg, 
e, instance=instance)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.force_reraise()
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
six.reraise(self.type_, self.value, self.tb)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
157, in decorated_function
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
function(self, context, *args, **kwargs)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/utils.py", line 
686, in decorated_function
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
function(self, context, *args, **kwargs)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
145, in decorated_function
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
migration.instance_uuid, exc_info=True)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.force_reraise()
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
six.reraise(self.type_, self.value, self.tb)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
122, in decorated_function
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
function(self, context, *args, **kwargs)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
216, in decorated_function
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
kwargs['instance'], e, sys.exc_info())
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.force_reraise()
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
six.reraise(self.type_, self.value, self.tb)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
204, in decorated_function
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
function(self, context, *args, **kwargs)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
3923, in resize_instance
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.instance_events.clear_events_for_instance(instance)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/usr/lib64/python2.7/contextlib.py", line 35, in __exit__
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.gen.throw(type, value, traceback)
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
6754, in _error_out_instance_on_exception
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     raise 
error.inner_exception
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server ResizeError: Resize 
error: Unable to resize disk down.
2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server

** Affects: nova
     Importance: Undecided
         Status: New

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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1707830

Title:
  resize to smaller flavor failed, but has not error message on
  dashboard

Status in OpenStack Compute (nova):
  New

Bug description:
  When use resize instance, resize fails for smaller disk in new flavor,
  but dashboard has no error message.

  Steps to reproduce:
  1.) Create instance(using cirros is OK) with a flavor A-1-1-10(1 vcpu, 1024M 
memory, 10G disk)
  2.) Try resize instance to flavor which has smaller root disk B-1-1-1(1 vcpu, 
1024M memory, 1G disk)

  Expected result:
  show error message on dashboard.Something like unable to resize disk down.

  Actual result:
  No error message showed on dashboard.

  Logs:
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server 
[req-6f03b653-9c79-48fe-b40b-99c99c92687e ff8d89b8eda64c8f9a46548744db65d2 
5a7d5cf5df734994bac9ff1d4f475bca - - -] Exception during message handling
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server Traceback (most 
recent call last):
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", 
line 155, in _process_incoming
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     res = 
self.dispatcher.dispatch(message)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
 line 222, in dispatch
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
self._do_dispatch(endpoint, method, ctxt, args)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py",
 line 192, in _do_dispatch
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     result = 
func(ctxt, **new_args)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/exception_wrapper.py", 
line 75, in wrapped
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     function_name, 
call_dict, binary)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.force_reraise()
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
six.reraise(self.type_, self.value, self.tb)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/exception_wrapper.py", 
line 66, in wrapped
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return f(self, 
context, *args, **kw)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
188, in decorated_function
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
LOG.warning(msg, e, instance=instance)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.force_reraise()
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
six.reraise(self.type_, self.value, self.tb)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
157, in decorated_function
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
function(self, context, *args, **kwargs)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/utils.py", line 
686, in decorated_function
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
function(self, context, *args, **kwargs)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
145, in decorated_function
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
migration.instance_uuid, exc_info=True)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.force_reraise()
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
six.reraise(self.type_, self.value, self.tb)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
122, in decorated_function
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
function(self, context, *args, **kwargs)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
216, in decorated_function
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
kwargs['instance'], e, sys.exc_info())
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.force_reraise()
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
six.reraise(self.type_, self.value, self.tb)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
204, in decorated_function
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     return 
function(self, context, *args, **kwargs)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
3923, in resize_instance
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.instance_events.clear_events_for_instance(instance)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/usr/lib64/python2.7/contextlib.py", line 35, in __exit__
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     
self.gen.throw(type, value, traceback)
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server   File 
"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py", line 
6754, in _error_out_instance_on_exception
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server     raise 
error.inner_exception
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server ResizeError: Resize 
error: Unable to resize disk down.
  2017-08-01 23:06:41.707 7 ERROR oslo_messaging.rpc.server

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[Yahoo-eng-team] [Bug 1707830] [NEW] resize to smaller flavor failed, but has not error message on dashboard

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