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[Bug 1622824] [NEW] l3 dvr code passing ip allocation objects to update_port

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Kevin Benton <1622824@xxxxxxxxxxxxxxxxxx>
Date: Tue, 13 Sep 2016 03:41:24 -0000
Reply-to: Bug 1622824 <1622824@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

The l3 dvr code is passing IP allocation objects to update_port, which
is not supported by the retry decorator protecting update_port. This
results in the following exception:

2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource [req-347d1015-bdce-4e58-8179-68ff758b62f4 tempest-TestGettingAddress-1311327307 -] add_router_interface failed: No details.
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource Traceback (most recent call last):
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/api/v2/resource.py", line 79, in resource
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     result = method(request=request, **args)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 87, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 83, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 151, in wrapper
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 139, in wrapper
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 123, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     traceback.format_exc())
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 118, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/api/v2/base.py", line 221, in _handle_action
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     ret_value = getattr(self._plugin, name)(*arg_list, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 155, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return method(*args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 87, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 83, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 151, in wrapper
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 139, in wrapper
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 123, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     traceback.format_exc())
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 118, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/l3_dvr_db.py", line 415, in add_router_interface
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     port['id'])
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/l3_dvr_db.py", line 385, in add_router_interface
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     {'port': {'fixed_ips': fixed_ips}})
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/common/utils.py", line 618, in inner
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(self, context, *args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 155, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return method(*args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 87, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 83, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 151, in wrapper
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 139, in wrapper
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 123, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     traceback.format_exc())
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 118, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/plugins/ml2/plugin.py", line 1383, in update_port
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     port)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 155, in wrapped
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return method(*args, **kwargs)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/db_base_plugin_v2.py", line 1221, in update_port
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     new_port=new_port)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/ipam_backend_mixin.py", line 724, in update_port
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     new_port.get('mac_address'))
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/ipam_pluggable_backend.py", line 329, in update_port_with_ips
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     new_mac)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/ipam_pluggable_backend.py", line 282, in _update_ips_for_port
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     context, original_ips, new_ips, port['device_owner'])
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/ipam_backend_mixin.py", line 424, in _get_changed_ips_for_port
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     if ip.get('subnet_id') not in delete_subnet_ids]
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/models.py", line 68, in get
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return getattr(self, key, default)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/attributes.py", line 237, in __get__
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return self.impl.get(instance_state(instance), dict_)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/attributes.py", line 578, in get
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     value = state._load_expired(state, passive)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/state.py", line 474, in _load_expired
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.manager.deferred_scalar_loader(self, toload)
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/loading.py", line 610, in load_scalar_attributes
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     (state_str(state)))
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource DetachedInstanceError: Instance <IPAllocation at 0x7f8f2191ccd0> is not bound to a Session; attribute refresh operation cannot proceed
2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource 

http://logs.openstack.org/33/367333/5/gate/gate-tempest-dsvm-neutron-
dvr-ubuntu-
xenial/b8f08fe/logs/screen-q-svc.txt.gz?level=TRACE#_2016-09-13_00_26_29_206

** Affects: neutron
     Importance: Undecided
     Assignee: Kevin Benton (kevinbenton)
         Status: In Progress

** Changed in: neutron
     Assignee: (unassigned) => Kevin Benton (kevinbenton)

** Changed in: neutron
    Milestone: None => newton-rc1

-- 
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https://bugs.launchpad.net/bugs/1622824

Title:
  l3 dvr code passing ip allocation objects to update_port

Status in neutron:
  In Progress

Bug description:
  The l3 dvr code is passing IP allocation objects to update_port, which
  is not supported by the retry decorator protecting update_port. This
  results in the following exception:

  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource [req-347d1015-bdce-4e58-8179-68ff758b62f4 tempest-TestGettingAddress-1311327307 -] add_router_interface failed: No details.
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource Traceback (most recent call last):
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/api/v2/resource.py", line 79, in resource
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     result = method(request=request, **args)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 87, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 83, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 151, in wrapper
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 139, in wrapper
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 123, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     traceback.format_exc())
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 118, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/api/v2/base.py", line 221, in _handle_action
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     ret_value = getattr(self._plugin, name)(*arg_list, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 155, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return method(*args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 87, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 83, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 151, in wrapper
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 139, in wrapper
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 123, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     traceback.format_exc())
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 118, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/l3_dvr_db.py", line 415, in add_router_interface
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     port['id'])
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/l3_dvr_db.py", line 385, in add_router_interface
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     {'port': {'fixed_ips': fixed_ips}})
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/common/utils.py", line 618, in inner
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(self, context, *args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 155, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return method(*args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 87, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 83, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 151, in wrapper
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 139, in wrapper
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 123, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     traceback.format_exc())
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.force_reraise()
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 118, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/plugins/ml2/plugin.py", line 1383, in update_port
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     port)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/api.py", line 155, in wrapped
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return method(*args, **kwargs)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/db_base_plugin_v2.py", line 1221, in update_port
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     new_port=new_port)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/ipam_backend_mixin.py", line 724, in update_port
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     new_port.get('mac_address'))
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/ipam_pluggable_backend.py", line 329, in update_port_with_ips
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     new_mac)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/ipam_pluggable_backend.py", line 282, in _update_ips_for_port
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     context, original_ips, new_ips, port['device_owner'])
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/opt/stack/new/neutron/neutron/db/ipam_backend_mixin.py", line 424, in _get_changed_ips_for_port
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     if ip.get('subnet_id') not in delete_subnet_ids]
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/models.py", line 68, in get
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return getattr(self, key, default)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/attributes.py", line 237, in __get__
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     return self.impl.get(instance_state(instance), dict_)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/attributes.py", line 578, in get
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     value = state._load_expired(state, passive)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/state.py", line 474, in _load_expired
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     self.manager.deferred_scalar_loader(self, toload)
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/loading.py", line 610, in load_scalar_attributes
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource     (state_str(state)))
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource DetachedInstanceError: Instance <IPAllocation at 0x7f8f2191ccd0> is not bound to a Session; attribute refresh operation cannot proceed
  2016-09-13 00:26:29.206 13801 ERROR neutron.api.v2.resource 

  http://logs.openstack.org/33/367333/5/gate/gate-tempest-dsvm-neutron-
  dvr-ubuntu-
  xenial/b8f08fe/logs/screen-q-svc.txt.gz?level=TRACE#_2016-09-13_00_26_29_206

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Follow ups

[Bug 1622824] Re: l3 dvr code passing ip allocation objects to update_port
From: OpenStack Infra, 2016-09-13