Public bug reported:

When using provider networks in neutron, not using floating ips, nova is not 
able to list them.
Nova still has extension os-floating-ip enabled on that case, so API calls 
about floating ips should work.
But when executing a floating ip list with the client, we are receiving 
following error:

2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack Traceback (most recent 
call last):
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/__init__.py", line 125, in 
__call__
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
req.get_response(self.application)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/request.py", line 1320, in send
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     application, 
catch_exc_info=False)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/request.py", line 1284, in 
call_application
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     app_iter = 
application(self.environ, start_response)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return resp(environ, 
start_response)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", 
line 634, in __call__
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
self._call_app(env, start_response)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", 
line 554, in _call_app
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return self._app(env, 
_fake_start_response)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return resp(environ, 
start_response)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return resp(environ, 
start_response)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/routes/middleware.py", line 131, in __call__
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     response = 
self.app(environ, start_response)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return resp(environ, 
start_response)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     resp = 
self.call_func(req, *args, **self.kwargs)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return self.func(req, 
*args, **kwargs)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py", line 756, in 
__call__
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     content_type, body, 
accept)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py", line 821, in 
_process_stack
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     action_result = 
self.dispatch(meth, request, action_args)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py", line 911, in 
dispatch
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
method(req=request, **action_args)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/contrib/floating_ips.py",
 line 108, in index
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     floating_ips = 
self.network_api.get_floating_ips_by_project(context)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 1252, in 
get_floating_ips_by_project
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     fips = 
client.list_floatingips(tenant_id=project_id)['floatingips']
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 99, in 
with_params
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     ret = 
self.function(instance, *args, **kwargs)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 628, in 
list_floatingips
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     **_params)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 304, in 
list
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     for r in 
self._pagination(collection, path, **params):
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 317, in 
_pagination
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     res = self.get(path, 
params=params)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 290, in 
get
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     headers=headers, 
params=params)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 267, in 
retry_request
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     headers=headers, 
params=params)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 208, in 
do_request
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     
self._handle_fault_response(status_code, replybody)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 182, in 
_handle_fault_response
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     
exception_handler_v20(status_code, des_error_body)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 80, in 
exception_handler_v20
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     message=message)
2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack NeutronClientException: 
404 Not Found

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1549481

Title:
  Nova fails listing floating ips when using provider networks

Status in OpenStack Compute (nova):
  New

Bug description:
  When using provider networks in neutron, not using floating ips, nova is not 
able to list them.
  Nova still has extension os-floating-ip enabled on that case, so API calls 
about floating ips should work.
  But when executing a floating ip list with the client, we are receiving 
following error:

  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack Traceback (most recent 
call last):
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/__init__.py", line 125, in 
__call__
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
req.get_response(self.application)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/request.py", line 1320, in send
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     application, 
catch_exc_info=False)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/request.py", line 1284, in 
call_application
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     app_iter = 
application(self.environ, start_response)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
resp(environ, start_response)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", 
line 634, in __call__
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
self._call_app(env, start_response)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", 
line 554, in _call_app
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
self._app(env, _fake_start_response)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
resp(environ, start_response)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
resp(environ, start_response)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/routes/middleware.py", line 131, in __call__
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     response = 
self.app(environ, start_response)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
resp(environ, start_response)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     resp = 
self.call_func(req, *args, **self.kwargs)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
self.func(req, *args, **kwargs)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py", line 756, in 
__call__
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     content_type, body, 
accept)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py", line 821, in 
_process_stack
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     action_result = 
self.dispatch(meth, request, action_args)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py", line 911, in 
dispatch
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     return 
method(req=request, **action_args)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/contrib/floating_ips.py",
 line 108, in index
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     floating_ips = 
self.network_api.get_floating_ips_by_project(context)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 1252, in 
get_floating_ips_by_project
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     fips = 
client.list_floatingips(tenant_id=project_id)['floatingips']
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 99, in 
with_params
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     ret = 
self.function(instance, *args, **kwargs)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 628, in 
list_floatingips
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     **_params)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 304, in 
list
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     for r in 
self._pagination(collection, path, **params):
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 317, in 
_pagination
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     res = 
self.get(path, params=params)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 290, in 
get
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     headers=headers, 
params=params)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 267, in 
retry_request
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     headers=headers, 
params=params)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 208, in 
do_request
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     
self._handle_fault_response(status_code, replybody)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 182, in 
_handle_fault_response
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     
exception_handler_v20(status_code, des_error_body)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack   File 
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 80, in 
exception_handler_v20
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack     message=message)
  2016-02-24 20:58:01.624 5857 TRACE nova.api.openstack NeutronClientException: 
404 Not Found

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