Public bug reported:
neutronclient in nova uses token_endpoint.Token as auth_plugin, which doesn't
have functionality to re-authenticate in case of 401 error. If keystone uses
memcached as backend and it was restarted, token that neutronclient use become
invalid, and no re-authentication attempts were made.
Trace in nova-api:
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 1519, in
_build_network_info_model
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] data =
client.list_ports(**search_opts)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 102, in
with_params
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] ret = self.function(instance, args,
*kwargs)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 534, in
list_ports
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] **_params)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 307, in
list
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] for r in self._pagination(collection,
path, **params):
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 320, in
_pagination
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] res = self.get(path, params=params)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 293, in
get
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] headers=headers, params=params)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 270, in
retry_request
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] headers=headers, params=params)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 211, in
do_request
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8]
self._handle_fault_response(status_code, replybody)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 185, in
_handle_fault_response
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] exception_handler_v20(status_code,
des_error_body)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 83, in
exception_handler_v20
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] message=message)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] NeutronClientException: Authentication
required
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8]
** Affects: nova
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1491905
Title:
neutronclient in nova doesn't issue new token
Status in OpenStack Compute (nova):
New
Bug description:
neutronclient in nova uses token_endpoint.Token as auth_plugin, which doesn't
have functionality to re-authenticate in case of 401 error. If keystone uses
memcached as backend and it was restarted, token that neutronclient use become
invalid, and no re-authentication attempts were made.
Trace in nova-api:
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 1519, in
_build_network_info_model
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] data =
client.list_ports(**search_opts)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 102, in
with_params
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] ret = self.function(instance, args,
*kwargs)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 534, in
list_ports
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] **_params)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 307, in
list
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] for r in self._pagination(collection,
path, **params):
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 320, in
_pagination
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] res = self.get(path, params=params)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 293, in
get
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] headers=headers, params=params)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 270, in
retry_request
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] headers=headers, params=params)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 211, in
do_request
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8]
self._handle_fault_response(status_code, replybody)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 185, in
_handle_fault_response
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] exception_handler_v20(status_code,
des_error_body)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] File
"/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 83, in
exception_handler_v20
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] message=message)
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8] NeutronClientException: Authentication
required
2015-08-30 19:02:24.292 8914 TRACE nova.network.base_api [instance:
94ccc989-4531-43a9-a1bd-d7cf848f04a8]
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