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[Sean Dague <sean@xxxxxxxxx>]

Old incomplete bug. Please reopen if still an issue.

** Changed in: nova
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1236116

Title:
  attaching all devstack quantum networks to a nova server results in
  un-deletable server

Status in Orchestration API (Heat):
  In Progress
Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  Attaching multiple networks results in a backtrace and undeleteable
  instance when used with Neutron.

  Run reproducer as follows:
  [sdake@bigiron ~]$ less reproducer
  #!/bin/bash

  glance image-create --name=cirros-0.3.0-x86_64 --disk-format=qcow2 --container-f
  ormat=bare < cirros.img
  id1=`neutron net-list -c id -f csv --quote none | grep -v id | tail -1 | tr -d '
  \r'`
  id2=`neutron net-list -c id -f csv --quote none | grep -v id | head -1 | tr -d '
  \r'`
  nova boot --flavor m1.tiny --image cirros-0.3.0-x86_64 --security_group default 
  --nic net-id=$id1 --nic net-id=$id2 cirros

  Run nova list waiting for server to become active.  Once server is
  active, delete the server via the nova delete <id> operation.  Server
  will enter an undeleteable saying it is "ACTIVE".  It is important
  that both networks are connected when the delete operation is run, as
  for some reason one of the networks gets disconnected by some
  component (not sure which).

  Further delete operations are either unsuccessful or block further
  ability to create instances with instances finishing in the ERROR
  state after creation.

  n-cpu backtraces with:
  2013-10-06 18:03:11.269 ERROR nova.openstack.common.rpc.amqp [req-4f7cf630-d1eb-4fcd-af22-c11fa77fd3dd admin admin] Exception during message handling
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/openstack/common/rpc/amqp.py", line 461, in _process_data
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     **args)
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     result = getattr(proxyobj, method)(ctxt, **kwargs)
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 353, in decorated_function
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/exception.py", line 90, in wrapped
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     payload)
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/exception.py", line 73, in wrapped
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     return f(self, context, *args, **kw)
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 243, in decorated_function
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     pass
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 229, in decorated_function
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 294, in decorated_function
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     function(self, context, *args, **kwargs)
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 271, in decorated_function
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     e, sys.exc_info())
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 258, in decorated_function
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
  2013-10-06 18:03:11.269 TRACE nova.openstack.common.rpc.amqp   File 2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 294, in decorated_function
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     function(self, context, *args, **kwargs)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 271, in decorated_function
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     e, sys.exc_info())
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 258, in decorated_function
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 1793, in terminate_instance
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     do_terminate_instance(instance, bdms)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/openstack/common/lockutils.py", line 246, in inner
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     return f(*args, **kwargs)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 1785, in do_terminate_instance
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     reservations=reservations)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/hooks.py", line 105, in inner
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     rv = f(*args, **kwargs)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 1758, in _delete_instance
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     user_id=user_id)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 1730, in _delete_instance
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     self._shutdown_instance(context, db_inst, bdms)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 1640, in _shutdown_instance
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     network_info = self._get_instance_nw_info(context, instance)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/compute/manager.py", line 877, in _get_instance_nw_info
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     instance)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/network/neutronv2/api.py", line 455, in get_instance_nw_info
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     result = self._get_instance_nw_info(context, instance, networks)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/network/neutronv2/api.py", line 463, in _get_instance_nw_info
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     nw_info = self._build_network_info_model(context, instance, networks)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/network/neutronv2/api.py", line 1009, in _build_network_info_model
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     subnets)
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/network/neutronv2/api.py", line 962, in _nw_info_build_network
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp     label=network_name,
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp UnboundLocalError: local variable 'network_name' referenced before assignment
  2013-10-06 18:13:02.653 TRACE nova.openstack.common.rpc.amqp

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