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[Sean Dague <sean@xxxxxxxxx>]

** Changed in: nova
       Status: Incomplete => Won't Fix

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https://bugs.launchpad.net/bugs/1268828

Title:
  Nova network doesn't work with neutron_url being None

Status in OpenStack Compute (Nova):
  Won't Fix

Bug description:
  when configure neutron_url to None or neutron_url param is None, Nova
  network will throw error:

  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi Traceback (most recent call last):
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 992, in _process_stack
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     action_result = self.dispatch(meth, request, action_args)
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 1073, in dispatch
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     return method(req=request, **action_args)
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/nova/api/openstack/compute/contrib/os_tenant_networks.py", line 99, in index
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     networks = self.network_api.get_all(context)
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/nova/network/neutronv2/api.py", line 673, in get_all
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     networks = client.list_networks().get('networks')
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py", line 108, in with_params
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     ret = self.function(instance, *args, **kwargs)
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py", line 325, in list_networks
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     **_params)
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py", line 1197, in list
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     for r in self._pagination(collection, path, **params):
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py", line 1210, in _pagination
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     res = self.get(path, params=params)
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py", line 1183, in get
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     headers=headers, params=params)
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py", line 1168, in retry_request
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     headers=headers, params=params)
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py", line 1097, in do_request
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     self.httpclient.authenticate_and_fetch_endpoint_url()
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/neutronclient/client.py", line 179, in authenticate_and_fetch_endpoint_url
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     self.endpoint_url = self._get_endpoint_url()
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.6/site-packages/neutronclient/client.py", line 253, in _get_endpoint_url
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi     url = self.auth_url + '/tokens/%s/endpoints' % self.auth_token
  2014-01-13 03:37:23.121 18582 TRACE nova.api.openstack.wsgi TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'

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