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[OpenStack Infra <1746996@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/541513
Committed: https://git.openstack.org/cgit/openstack/networking-bagpipe/commit/?id=53e073f1b8b8de4105762140fcc5aaa2645ec752
Submitter: Zuul
Branch:    master

commit 53e073f1b8b8de4105762140fcc5aaa2645ec752
Author: Ihar Hrachyshka <ihrachys@xxxxxxxxxx>
Date:   Tue Feb 6 18:13:37 2018 -0800

    Use new facade for OVO objects
    
    This is to accommodate for neutron plugin code issuing callbacks from
    under new facade contexts.
    
    Depends-On: I15ec238c18a464f977f7d1079605b82965052311
    Change-Id: Ie4ad57f6357c59f2a978467099642b08e730133e
    Closes-Bug: #1746996


** Changed in: networking-bagpipe
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1746996

Title:
  bagpipe: IPAllocation DB query failing, engine facade mismatch

Status in networking-bgpvpn:
  Confirmed
Status in BaGPipe:
  Fix Released
Status in neutron:
  Confirmed

Bug description:
  networking_bgpvpn.tests.unit.services.bagpipe.test_bagpipe.TestBagpipeServiceDriverV2RPCs.test_router_itf_event_network_assoc
  is currently failing

  Traceback (most recent call last):
    File "/home/teom7365/prog/openstack/networking-bgpvpn/networking_bgpvpn/neutron/services/service_drivers/bagpipe/bagpipe_v2.py", line 260, in registry_router_interface_before_delete
      context, router_id, network_id)
    File "/home/teom7365/prog/openstack/networking-bgpvpn/.tox/py27/local/lib/python2.7/site-packages/oslo_log/helpers.py", line 67, in wrapper
      return method(*args, **kwargs)
    File "/home/teom7365/prog/openstack/networking-bgpvpn/networking_bgpvpn/neutron/services/service_drivers/bagpipe/bagpipe_v2.py", line 218, in notify_router_interface_deleted
      network_id=net_id) +
    File "neutron/objects/base.py", line 561, in get_objects
      return [cls._load_object(context, db_obj) for db_obj in db_objs]
    File "neutron/objects/base.py", line 496, in _load_object
      obj.from_db_object(db_obj)
    File "/home/teom7365/prog/openstack/networking-bgpvpn/.tox/py27/src/networking-bagpipe/networking_bagpipe/objects/bgpvpn.py", line 156, in from_db_object
      self._load_subnets(obj)
    File "/home/teom7365/prog/openstack/networking-bgpvpn/.tox/py27/src/networking-bagpipe/networking_bagpipe/objects/bgpvpn.py", line 150, in _load_subnets
      subnets_info = _get_subnets_info(self.obj_context, self.network_id)
    File "/home/teom7365/prog/openstack/networking-bgpvpn/.tox/py27/src/networking-bagpipe/networking_bagpipe/objects/bgpvpn.py", line 62, in _get_subnets_info
      for subnet in subnets
    File "/home/teom7365/prog/openstack/networking-bgpvpn/.tox/py27/src/networking-bagpipe/networking_bagpipe/objects/bgpvpn.py", line 47, in _get_gateway_mac_by_subnet
      port = Port.get_object(obj_context, id=ip_allocation.port_id)
    File "neutron/objects/base.py", line 538, in get_object
      return cls._load_object(context, db_obj)
    File "neutron/objects/base.py", line 496, in _load_object
      obj.from_db_object(db_obj)
    File "neutron/objects/ports.py", line 409, in from_db_object
      super(Port, self).from_db_object(db_obj)
    File "neutron/objects/base.py", line 440, in from_db_object
      self.load_synthetic_db_fields(db_obj)
    File "neutron/objects/base.py", line 737, in load_synthetic_db_fields
      for obj in synth_db_objs]
    File "neutron/objects/base.py", line 498, in _load_object
      context.session.expunge(obj.db_obj)
    File "/home/teom7365/prog/openstack/networking-bgpvpn/.tox/py27/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 1650, in expunge
      state_str(state))
  InvalidRequestError: Instance <IPAllocation at 0x7f276b935910> is not present in this Session

  
  "git bisect" show that neutron commit 906eda44d2c230be99fc5c61daa0f359ab46a3ad [1] introduces the issue

  [1] https://review.openstack.org/#/c/536913/

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