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[shihanzhang <shihanzhang@xxxxxxxxxx>]

** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1261633

Title:
  tenant of admin delete vm failed

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  Tenant of admin create vm in another tenant network,then   deleting that vm will failed,the failed log is bellow
  my environment is: OS  ubuntu 12.04 
  openstack package:2013.2-0ubuntu1~cloud0 

  TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/amqp.py", line 461, in _process_data
       **args)
     File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch
       result = getattr(proxyobj, method)(ctxt, **kwargs)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 353, in decorated_function
       return function(self, context, *args, **kwargs)
     File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 90, in wrapped
       payload)
     File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 73, in wrapped
       return f(self, context, *args, **kw)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 243, in decorated_function
       pass
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 229, in decorated_function
      return function(self, context, *args, **kwargs)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 294, in decorated_function
       function(self, context, *args, **kwargs)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 271, in decorated_function
       e, sys.exc_info())
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 258, in decorated_function
       return function(self, context, *args, **kwargs)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1792, in terminate_instance
       do_terminate_instance(instance, bdms)
     File "/usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py", line 246, in inner
       return f(*args, **kwargs)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1784, in do_terminate_instance
       reservations=reservations)
     File "/usr/lib/python2.7/dist-packages/nova/hooks.py", line 105, in inner
       rv = f(*args, **kwargs)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1757, in _delete_instance
       user_id=user_id)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1729, in _delete_instance
       self._shutdown_instance(context, db_inst, bdms)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1639, in _shutdown_instance
       network_info = self._get_instance_nw_info(context, instance)
     File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 876, in _get_instance_nw_info
       instance)
     File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 455, in get_instance_nw_info
       result = self._get_instance_nw_info(context, instance, networks)
     File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 463, in _get_instance_nw_info
       nw_info = self._build_network_info_model(context, instance, networks)
     File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 997, in _build_network_info_model
       ports = [port for port in ports if port['network_id'] in net_ids]
     File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 962, in _nw_info_build_network
       label=network_name,
   UnboundLocalError: local variable 'network_name' referenced before assignment

  I analyse the failed log, in  _build_network_info_model

  networks = self._get_available_networks(context,
                                                      instance['project_id'])
  when tenant of admin deleting vm, nova get network according to the tenant ID ,but that network  doesn't belong to admin,so the error  " local variable 'network_name' referenced before assignment " happens

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