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[Bug 1358362] [NEW] TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'

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Public bug reported:

We had several instances go into error state on bootstack with the
following traceback:


2014-08-17 22:12:37.022 1232 ERROR nova.api.openstack.wsgi [req-068c2700-29a4-46ec-a9f7-9e956c06f3c6 4e68a0dd10e04db5b57c917ca8c521b1 d97d645e7867484b81311b7f9ee2ab15] Exception handling resource: unsupported operand type(s) for +: 'NoneType' and 'str'
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi Traceback (most recent call last):
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py", line 887, in post_process_extensions
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     **action_args)
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/contrib/security_groups.py", line 590, in show
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     return self._show(req, resp_obj)
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/contrib/security_groups.py", line 586, in _show
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     self._extend_servers(req, [resp_obj.obj['server']])
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/contrib/security_groups.py", line 550, in _extend_servers
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     servers))
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/network/security_group/neutron_driver.py", line 345, in get_instances_security_groups_bindings
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     ports = self._get_ports_from_server_list(servers, neutron)
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/network/security_group/neutron_driver.py", line 304, in _get_ports_from_server_list
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     ports.extend(neutron.list_ports(**search_opts).get('ports'))
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 111, in with_params
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     ret = self.function(instance, *args, **kwargs)
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 306, in list_ports
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     **_params)
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1250, in list
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     for r in self._pagination(collection, path, **params):
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1263, in _pagination
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     res = self.get(path, params=params)
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1236, in get
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     headers=headers, params=params)
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1221, in retry_request
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     headers=headers, params=params)
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1156, in do_request
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     resp, replybody = self.httpclient.do_request(action, method, body=body)
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/client.py", line 195, in do_request
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     self.authenticate()
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/client.py", line 231, in authenticate
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     token_url = self.auth_url + "/tokens"
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'
2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi
2014-08-17 22:12:37.024 1232 INFO nova.osapi_compute.wsgi.server [req-068c2700-29a4-46ec-a9f7-9e956c06f3c6 4e68a0dd10e04db5b57c917ca8c521b1 d97d645e7867484b81311b7f9ee2ab15] 159.8.6.135 "GET /v2/d97d645e7867484b81311b7f9ee2ab15/servers/86b370bd-4ae2-4e54-b305-861cca0bf39b HTTP/1.1" status: 400 len: 338 time: 0.0977190

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1358362

Title:
  TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'

Status in OpenStack Compute (Nova):
  New

Bug description:
  We had several instances go into error state on bootstack with the
  following traceback:

  
  2014-08-17 22:12:37.022 1232 ERROR nova.api.openstack.wsgi [req-068c2700-29a4-46ec-a9f7-9e956c06f3c6 4e68a0dd10e04db5b57c917ca8c521b1 d97d645e7867484b81311b7f9ee2ab15] Exception handling resource: unsupported operand type(s) for +: 'NoneType' and 'str'
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi Traceback (most recent call last):
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py", line 887, in post_process_extensions
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     **action_args)
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/contrib/security_groups.py", line 590, in show
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     return self._show(req, resp_obj)
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/contrib/security_groups.py", line 586, in _show
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     self._extend_servers(req, [resp_obj.obj['server']])
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/contrib/security_groups.py", line 550, in _extend_servers
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     servers))
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/network/security_group/neutron_driver.py", line 345, in get_instances_security_groups_bindings
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     ports = self._get_ports_from_server_list(servers, neutron)
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/nova/network/security_group/neutron_driver.py", line 304, in _get_ports_from_server_list
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     ports.extend(neutron.list_ports(**search_opts).get('ports'))
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 111, in with_params
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     ret = self.function(instance, *args, **kwargs)
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 306, in list_ports
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     **_params)
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1250, in list
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     for r in self._pagination(collection, path, **params):
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1263, in _pagination
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     res = self.get(path, params=params)
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1236, in get
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     headers=headers, params=params)
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1221, in retry_request
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     headers=headers, params=params)
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1156, in do_request
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     resp, replybody = self.httpclient.do_request(action, method, body=body)
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/client.py", line 195, in do_request
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     self.authenticate()
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi   File "/usr/lib/python2.7/dist-packages/neutronclient/client.py", line 231, in authenticate
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi     token_url = self.auth_url + "/tokens"
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'
  2014-08-17 22:12:37.022 1232 TRACE nova.api.openstack.wsgi
  2014-08-17 22:12:37.024 1232 INFO nova.osapi_compute.wsgi.server [req-068c2700-29a4-46ec-a9f7-9e956c06f3c6 4e68a0dd10e04db5b57c917ca8c521b1 d97d645e7867484b81311b7f9ee2ab15] 159.8.6.135 "GET /v2/d97d645e7867484b81311b7f9ee2ab15/servers/86b370bd-4ae2-4e54-b305-861cca0bf39b HTTP/1.1" status: 400 len: 338 time: 0.0977190

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