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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => grizzly-3

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https://bugs.launchpad.net/bugs/989746

Title:
  'FlatManager' object has no attribute 'allocate_floating_ip'

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  I am now using the FlatManager network mode, when I allocate a
  floating ip to a instance with nova api command:

  nova floating-ip-create

  I get the error log in the server side:

  nova-api log:
  2012-04-27 20:02:44 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova-2012.1-py2.6.egg/nova/rpc/__init__.py", line 68, in call
  2012-04-27 20:02:44 TRACE nova.api.openstack     return _get_impl().call(context, topic, msg, timeout)
  2012-04-27 20:02:44 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova-2012.1-py2.6.egg/nova/rpc/impl_kombu.py", line 674, in call
  2012-04-27 20:02:44 TRACE nova.api.openstack     return rpc_amqp.call(context, topic, msg, timeout, Connection.pool)
  2012-04-27 20:02:44 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova-2012.1-py2.6.egg/nova/rpc/amqp.py", line 338, in call
  2012-04-27 20:02:44 TRACE nova.api.openstack     rv = list(rv)
  2012-04-27 20:02:44 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova-2012.1-py2.6.egg/nova/rpc/amqp.py", line 306, in __iter__
  2012-04-27 20:02:44 TRACE nova.api.openstack     raise result
  2012-04-27 20:02:44 TRACE nova.api.openstack RemoteError: Remote error: AttributeError 'FlatManager' object has no attribute 'allocate_floating_ip'

  nova-network log:
  2012-04-27 20:02:44 TRACE nova.rpc.amqp Traceback (most recent call last):
  2012-04-27 20:02:44 TRACE nova.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova-2012.1-py2.6.egg/nova/rpc/amqp.py", line 249, in _process_data
  2012-04-27 20:02:44 TRACE nova.rpc.amqp     node_func = getattr(self.proxy, str(method))
  2012-04-27 20:02:44 TRACE nova.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova-2012.1-py2.6.egg/nova/service.py", line 213, in __getattr__
  2012-04-27 20:02:44 TRACE nova.rpc.amqp     return getattr(manager, key)
  2012-04-27 20:02:44 TRACE nova.rpc.amqp AttributeError: 'FlatManager' object has no attribute 'allocate_floating_ip'

  It is ok if I change the network mode to FlatDHCPManager. I read the
  nova source code and found that  FloatingIP is the only class that
  have the "allocate_floating_ip" method and FlatDHCPManager is a
  subclass of this class， but class FlatManager is not a subclass of
  this class:

  Code piece from network/manager.py:
  class FlatDHCPManager(RPCAllocateFixedIP, FloatingIP, NetworkManager):

  class FlatManager(NetworkManager):

  class VlanManager(RPCAllocateFixedIP, FloatingIP, NetworkManager):

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