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[Bug 1612186] [NEW] failed to create flavor router

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: yong sheng gong <gong_ys2004@xxxxxxxxxx>
Date: Thu, 11 Aug 2016 10:51:18 -0000
Reply-to: Bug 1612186 <1612186@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

[gongysh@fedora23 devstack]$ neutron router-create --flavor-id=5c4016b6-c5ef-4b70-891d-741d376fa96f testrouter2
Request Failed: internal server error while processing your request.
Neutron server returns request_ids: ['req-a1da952c-e4f6-4b09-883d-12a894f6a8d1']


the exception on log is:

on.services.l3_router.service_providers.driver_controller.DriverController._set_router_provider router, precommit_create
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager Traceback (most recent call last):
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/callbacks/manager.py", line 148, in _notify_loop
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     callback(resource, event, trigger, **kwargs)
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/services/l3_router/service_providers/driver_controller.py", line 81, in _set_router_provider
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     drv = self._get_provider_for_create(context, router)
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/services/l3_router/service_providers/driver_controller.py", line 160, in _get_provider_for_create
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     return self._get_l3_driver_by_flavor(context, router['flavor_id'])
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/services/l3_router/service_providers/driver_controller.py", line 164, in _get_l3_driver_by_flavor
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     flavor = self._flavor_plugin.get_flavor(context, flavor_id)
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/services/l3_router/service_providers/driver_controller.py", line 68, in _flavor_plugin
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     constants.FLAVORS]
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager AttributeError: can't set attribute
2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager 
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource [req-a1da952c-e4f6-4b09-883d-12a894f6a8d1 e5fd88d4cebf44baa9547e45d17248cd 3b9307233b4844c0850bd6625ab8f0e3 - - -] create failed: No details.
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource Traceback (most recent call last):
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/resource.py", line 79, in resource
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     result = method(request=request, **args)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/base.py", line 397, in create
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return self._create(request, body, **kwargs)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 151, in wrapper
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self.force_reraise()
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 139, in wrapper
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/api.py", line 74, in wrapped
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     traceback.format_exc())
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self.force_reraise()
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/api.py", line 69, in wrapped
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/base.py", line 510, in _create
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     obj = do_create(body)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/base.py", line 492, in do_create
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     request.context, reservation.reservation_id)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self.force_reraise()
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/base.py", line 485, in do_create
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return obj_creator(request.context, **kwargs)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_hamode_db.py", line 472, in create_router
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self).create_router(context, router)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_db.py", line 1727, in create_router
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     router)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_db.py", line 272, in create_router
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     transaction=False)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/common_db_mixin.py", line 66, in safe_creation
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     obj = create_fn()
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_dvr_db.py", line 78, in _create_router_db
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     context, router, tenant_id)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_db.py", line 253, in _create_router_db
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     router_id=router['id'], router_db=router_db)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/callbacks/registry.py", line 44, in notify
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     _get_callback_manager().notify(resource, event, trigger, **kwargs)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/api.py", line 89, in wrapped
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     raise db_exc.RetryRequest(e)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self.force_reraise()
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/api.py", line 84, in wrapped
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/callbacks/manager.py", line 130, in notify
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     raise exceptions.CallbackFailure(errors=errors)
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource CallbackFailure: Callback neutron.services.l3_router.service_providers.driver_controller.DriverController._set_router_provider failed with "can't set attribute"
2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource 


solution:
https://github.com/openstack/neutron/blob/master/neutron/services/l3_router/service_providers/driver_controller.py#L67
it should be: self._flavor_plugin_ref

** Affects: neutron
     Importance: Undecided
     Assignee: yong sheng gong (gongysh)
         Status: In Progress

** Changed in: neutron
     Assignee: (unassigned) => yong sheng gong (gongysh)

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https://bugs.launchpad.net/bugs/1612186

Title:
  failed to create flavor router

Status in neutron:
  In Progress

Bug description:
  [gongysh@fedora23 devstack]$ neutron router-create --flavor-id=5c4016b6-c5ef-4b70-891d-741d376fa96f testrouter2
  Request Failed: internal server error while processing your request.
  Neutron server returns request_ids: ['req-a1da952c-e4f6-4b09-883d-12a894f6a8d1']

  
  the exception on log is:

  on.services.l3_router.service_providers.driver_controller.DriverController._set_router_provider router, precommit_create
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager Traceback (most recent call last):
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/callbacks/manager.py", line 148, in _notify_loop
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     callback(resource, event, trigger, **kwargs)
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/services/l3_router/service_providers/driver_controller.py", line 81, in _set_router_provider
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     drv = self._get_provider_for_create(context, router)
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/services/l3_router/service_providers/driver_controller.py", line 160, in _get_provider_for_create
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     return self._get_l3_driver_by_flavor(context, router['flavor_id'])
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/services/l3_router/service_providers/driver_controller.py", line 164, in _get_l3_driver_by_flavor
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     flavor = self._flavor_plugin.get_flavor(context, flavor_id)
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager   File "/mnt/data3/opt/stack/neutron/neutron/services/l3_router/service_providers/driver_controller.py", line 68, in _flavor_plugin
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager     constants.FLAVORS]
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager AttributeError: can't set attribute
  2016-08-11 18:48:34.282 2901 ERROR neutron.callbacks.manager 
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource [req-a1da952c-e4f6-4b09-883d-12a894f6a8d1 e5fd88d4cebf44baa9547e45d17248cd 3b9307233b4844c0850bd6625ab8f0e3 - - -] create failed: No details.
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource Traceback (most recent call last):
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/resource.py", line 79, in resource
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     result = method(request=request, **args)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/base.py", line 397, in create
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return self._create(request, body, **kwargs)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 151, in wrapper
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_db/api.py", line 139, in wrapper
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/api.py", line 74, in wrapped
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     traceback.format_exc())
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/api.py", line 69, in wrapped
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/base.py", line 510, in _create
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     obj = do_create(body)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/base.py", line 492, in do_create
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     request.context, reservation.reservation_id)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/api/v2/base.py", line 485, in do_create
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return obj_creator(request.context, **kwargs)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_hamode_db.py", line 472, in create_router
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self).create_router(context, router)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_db.py", line 1727, in create_router
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     router)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_db.py", line 272, in create_router
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     transaction=False)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/common_db_mixin.py", line 66, in safe_creation
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     obj = create_fn()
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_dvr_db.py", line 78, in _create_router_db
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     context, router, tenant_id)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/l3_db.py", line 253, in _create_router_db
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     router_id=router['id'], router_db=router_db)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/callbacks/registry.py", line 44, in notify
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     _get_callback_manager().notify(resource, event, trigger, **kwargs)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/api.py", line 89, in wrapped
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     raise db_exc.RetryRequest(e)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/db/api.py", line 84, in wrapped
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource   File "/mnt/data3/opt/stack/neutron/neutron/callbacks/manager.py", line 130, in notify
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource     raise exceptions.CallbackFailure(errors=errors)
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource CallbackFailure: Callback neutron.services.l3_router.service_providers.driver_controller.DriverController._set_router_provider failed with "can't set attribute"
  2016-08-11 18:48:34.300 2901 ERROR neutron.api.v2.resource 

  
  solution:
  https://github.com/openstack/neutron/blob/master/neutron/services/l3_router/service_providers/driver_controller.py#L67
  it should be: self._flavor_plugin_ref

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Follow ups

[Bug 1612186] Re: failed to create flavor router
From: OpenStack Infra, 2016-08-26