exception when deleting a port with gateway_ip

[dan wendlandt]

2012-08-02 23:21:06 DEBUG [quantum.db.db_base_plugin_v2] Gateway address (10.0.0.1/c2e2a2e4-3241-4763-9605-c4c41caf2ada) is not recycled
2012-08-02 23:21:06 ERROR [quantum.api.v2.resource] delete failed
Traceback (most recent call last):
  File "/opt/stack/quantum/quantum/api/v2/resource.py", line 95, in resource
    result = method(request=request, **args)
  File "/opt/stack/quantum/quantum/api/v2/base.py", line 250, in delete
    obj_deleter(request.context, id)
  File "/opt/stack/quantum/quantum/db/db_base_plugin_v2.py", line 845, in delete_port
    context.session.delete(port)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 391, in __exit__
    self.commit()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 313, in commit
    self._prepare_impl()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 297, in _prepare_impl
    self.session.flush()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 1547, in flush
    self._flush(objects)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 1616, in _flush
    flush_context.execute()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 328, in execute
    rec.execute(self)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 428, in execute
    self.dependency_processor.process_deletes(uow, states)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/dependency.py", line 522, in process_deletes
    uowcommit, False)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/dependency.py", line 567, in _synchronize
    sync.clear(dest, self.mapper, self.prop.synchronize_pairs)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/sync.py", line 50, in clear
    (r, mapperutil.state_str(dest))
AssertionError: Dependency rule tried to blank-out primary key column 'ipallocations.port_id' on instance '<IPAllocation at 0x28d4650>'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/11048

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/11048
Committed: http://github.com/openstack/quantum/commit/bcde97b48552072bda453e08f6a5c669b2838c05
Submitter: Jenkins
Branch: master

commit bcde97b48552072bda453e08f6a5c669b2838c05
Author: Dan Wendlandt <email address hidden>
Date: Wed Aug 8 15:30:48 2012 -0700

    fix missing deallocation of gateway ip

    bug 1032506

    when deleting a port that uses the gateway IP, we were not removing
    the IPAllocation entry, which resulted in a depedency issue when we
    deleted the port that the IPAllocation entry referenced.

    Change-Id: I272a6572c389ef8c12585f4b62204f5877cda078