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[Bug 1694873] Re: openstack server list report "Unexpected API Error" under unbuntu liberty keystone v3

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1694873@xxxxxxxxxxxxxxxxxx>
Date: Sun, 27 Aug 2017 04:17:57 -0000
Reply-to: Bug 1694873 <1694873@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
[Expired for OpenStack Compute (nova) because there has been no activity
for 60 days.]

** Changed in: nova
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1694873

Title:
  openstack server list report "Unexpected API Error" under unbuntu
  liberty keystone v3

Status in OpenStack Compute (nova):
  Expired

Bug description:
  After start keystone v3 configuration on ubuntu Liberty, I run server list command and get "unexpected API Error".
  #openstack --debug server list
  START with options: %s(u"['--debug', 'server', 'list']",)
  options: %s(u"Namespace(access_token_endpoint='', auth_type='', auth_url='https://192.168.0.51:5000/v3', cacert='/root/openst2.pem', client_id='', client_secret='', cloud='', debug=True, default_domain='default', deferred_help=False, domain_id='', domain_name='', endpoint='', identity_provider='', identity_provider_url='', insecure=None, interface='', log_file=None, os_compute_api_version='', os_data_processing_api_version='1.1', os_identity_api_version='3', os_image_api_version='2', os_network_api_version='2', os_object_api_version='', os_project_id=None, os_project_name=None, os_queues_api_version='1.1', os_volume_api_version='', password='***', project_domain_id='', project_domain_name='Default', project_id='', project_name='admin', protocol='', region_name='RegionOne', scope='', service_provider_endpoint='', timeout=600, timing=False, token='', trust_id='', url='', user_domain_id='', user_domain_name='Default', user_id='', username='admin', verbose_level=3, verify=None)",)
  defaults: %s{'auth_type': 'password', 'compute_api_version': '2', 'database_api_version': '1.0', 'api_timeout': None, 'baremetal_api_version': '1', 'cacert': None, 'image_api_use_tasks': False, 'floating_ip_source': 'neutron', 'key': None, 'interface': None, 'network_api_version': '2', 'image_format': 'qcow2', 'object_api_version': '1', 'image_api_version': '1', 'verify': True, 'identity_api_version': '2', 'volume_api_version': '1', 'cert': None, 'secgroup_source': 'neutron', 'dns_api_version': '2', 'disable_vendor_agent': {}}
  cloud cfg: %s(u"{'auth_type': 'password', 'compute_api_version': '2', 'database_api_version': '1.0', 'data_processing_api_version': '1.1', 'network_api_version': '2', 'image_format': 'qcow2', 'object_api_version': '1', 'queues_api_version': '1.1', 'verify': True, 'timing': False, 'dns_api_version': '2', 'verbose_level': 3, 'region_name': 'RegionOne', 'api_timeout': None, 'baremetal_api_version': '1', 'image_api_version': '2', 'auth': {'username': 'admin', 'project_name': 'admin', 'tenant_name': 'admin', 'user_domain_name': 'Default', 'auth_url': 'https://192.168.0.51:5000/v3', 'password': '***', 'project_domain_name': 'Default'}, 'default_domain': 'default', 'image_api_use_tasks': False, 'floating_ip_source': 'neutron', 'key': None, 'cacert': '/root/openst2.pem', 'deferred_help': False, 'identity_api_version': '3', 'volume_api_version': '1', 'cert': None, 'secgroup_source': 'neutron', 'timeout': 600, 'debug': True, 'interface': None, 'disable_vendor_agent': {}}",)
  %(name)s API version %(version)s, cmd group %(group)s{'version': '2', 'group': 'openstack.compute.v2', 'name': 'compute'}
  %(name)s API version %(version)s, cmd group %(group)s{'version': '2', 'group': 'openstack.network.v2', 'name': 'network'}
  %(name)s API version %(version)s, cmd group %(group)s{'version': '2', 'group': 'openstack.image.v2', 'name': 'image'}
  %(name)s API version %(version)s, cmd group %(group)s{'version': '1', 'group': 'openstack.volume.v1', 'name': 'volume'}
  %(name)s API version %(version)s, cmd group %(group)s{'version': '3', 'group': 'openstack.identity.v3', 'name': 'identity'}
  %(name)s API version %(version)s, cmd group %(group)s{'version': '1', 'group': 'openstack.object_store.v1', 'name': 'object_store'}
  %(name)s API version %(version)s, cmd group %(group)s{'version': '1.1', 'group': 'openstack.data_processing.v1', 'name': 'data_processing'}
  %(name)s API version %(version)s, cmd group %(group)s{'version': '1.1', 'group': 'openstack.messaging.v1', 'name': 'messaging'}
  command: %s -> %s.%s('server list', 'openstackclient.compute.v2.server', 'ListServer')
  Auth plugin password selected
  auth_type: %s('password',)
  Using auth plugin: password
  Using parameters {'username': 'admin', 'project_name': 'admin', 'auth_url': 'https://192.168.0.51:5000/v3', 'tenant_name': 'admin', 'user_domain_name': 'Default', 'password': '***', 'project_domain_name': 'Default'}
  Get auth_ref
  REQ: curl -g -i --cacert "/root/openst2.pem" -X GET https://192.168.0.51:5000/v3 -H "Accept: application/json" -H "User-Agent: python-openstackclient"
  Starting new HTTPS connection (1): 192.168.0.51
  /usr/lib/python2.7/dist-packages/urllib3/util/ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
    InsecurePlatformWarning
  "GET /v3 HTTP/1.1" 200 253
  RESP: [200] content-length: 253 vary: X-Auth-Token server: Apache connection: close date: Thu, 01 Jun 2017 02:39:04 GMT content-type: application/json x-openstack-request-id: req-38e6c560-fde4-4807-b51a-4111c4516f2a 
  RESP BODY: {"version": {"status": "stable", "updated": "2015-03-30T00:00:00Z", "media-types": [{"base": "application/json", "type": "application/vnd.openstack.identity-v3+json"}], "id": "v3.4", "links": [{"href": "https://192.168.0.51:5000/v3/";, "rel": "self"}]}}

  Making authentication request to %s(u'https://192.168.0.51:5000/v3/auth/tokens',)
  Resetting dropped connection: 135.252.195.2
  "POST /v3/auth/tokens HTTP/1.1" 201 7674
  %s(%s)('take_action', "Namespace(all_projects=False, columns=[], flavor=None, formatter='table', host=None, image=None, instance_name=None, ip=None, ip6=None, long=False, max_width=0, name=None, project=None, project_domain=None, quote_mode='nonnumeric', reservation_id=None, status=None, user=None, user_domain=None)")
  Instantiating compute client for VAPI Version Major: 2, Minor: 0
  Instantiating identity client: %s(<class 'keystoneclient.v3.client.Client'>,)
  search options: %s{'status': None, 'ip': None, 'image': None, 'host': None, 'ip6': None, 'all_tenants': False, 'flavor': None, 'reservation_id': None, 'user_id': None, 'name': None, 'tenant_id': None, 'instance_name': None}
  Making authentication request to %s(u'https://192.168.0.51:5000/v3/auth/tokens',)
  Resetting dropped connection:192.168.0.51
  "POST /v3/auth/tokens HTTP/1.1" 201 7674
  REQ: curl -g -i --cacert "/root/openst2.pem" -X GET https://192.168.0.51:8774/v2/1d7a9ffd4d8d4f37863e689a2703f3a6/servers/detail -H "User-Agent: python-novaclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}3f6167f205265fa6f59fbea7a51b0ebbebd0ad04"
  Starting new HTTPS connection (1): 192.168.0.51
  "GET /v2/1d7a9ffd4d8d4f37863e689a2703f3a6/servers/detail HTTP/1.1" 500 193
  RESP: [500] date: Thu, 01 Jun 2017 02:39:05 GMT connection: close content-type: application/json; charset=UTF-8 content-length: 193 x-compute-request-id: req-e6ed8190-f926-4f00-8e51-1ebcce98ab7e 
  RESP BODY: {"computeFault": {"message": "Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.\n<type 'exceptions.TypeError'>", "code": 500}}

  Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-e6ed8190-f926-4f00-8e51-1ebcce98ab7e)
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/cliff/app.py", line 374, in run_subcommand
      result = cmd.run(parsed_args)
    File "/usr/lib/python2.7/dist-packages/cliff/display.py", line 92, in run
      column_names, data = self.take_action(parsed_args)
    File "/usr/lib/python2.7/dist-packages/openstackclient/common/utils.py", line 46, in wrapper
      return func(self, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/openstackclient/compute/v2/server.py", line 787, in take_action
      data = compute_client.servers.list(search_opts=search_opts)
    File "/usr/lib/python2.7/dist-packages/novaclient/v2/servers.py", line 608, in list
      "servers")
    File "/usr/lib/python2.7/dist-packages/novaclient/base.py", line 72, in _list
      _resp, body = self.api.client.get(url)
    File "/usr/lib/python2.7/dist-packages/keystoneclient/adapter.py", line 170, in get
      return self.request(url, 'GET', **kwargs)
    File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 93, in request
      raise exceptions.from_response(resp, body, url, method)
  ClientException: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-e6ed8190-f926-4f00-8e51-1ebcce98ab7e)
  clean_up %s: %s('ListServer', ClientException())
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/openstackclient/shell.py", line 113, in run
      ret_val = super(OpenStackShell, self).run(argv)
    File "/usr/lib/python2.7/dist-packages/cliff/app.py", line 255, in run
      result = self.run_subcommand(remainder)
    File "/usr/lib/python2.7/dist-packages/cliff/app.py", line 374, in run_subcommand
      result = cmd.run(parsed_args)
    File "/usr/lib/python2.7/dist-packages/cliff/display.py", line 92, in run
      column_names, data = self.take_action(parsed_args)
    File "/usr/lib/python2.7/dist-packages/openstackclient/common/utils.py", line 46, in wrapper
      return func(self, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/openstackclient/compute/v2/server.py", line 787, in take_action
      data = compute_client.servers.list(search_opts=search_opts)
    File "/usr/lib/python2.7/dist-packages/novaclient/v2/servers.py", line 608, in list
      "servers")
    File "/usr/lib/python2.7/dist-packages/novaclient/base.py", line 72, in _list
      _resp, body = self.api.client.get(url)
    File "/usr/lib/python2.7/dist-packages/keystoneclient/adapter.py", line 170, in get
      return self.request(url, 'GET', **kwargs)
    File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 93, in request
      raise exceptions.from_response(resp, body, url, method)
  ClientException: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-e6ed8190-f926-4f00-8e51-1ebcce98ab7e)

  =================================================================================================
  nova-api.log:

  2017-05-31 11:00:30.594 474935 DEBUG nova.osapi_compute.wsgi.server [-] (474935) accepted ('240.0.0.2', 37775) server /usr/lib/python2.7/dist-packages/eventlet/wsgi.py:826
  :$
  2017-06-01 02:52:59.028 474936 DEBUG iso8601.iso8601 [-] Got u'2017' for 'year' with default None to_int /usr/lib/python2.7/dist-packages/iso8601/iso8601.py:140
  2017-06-01 02:52:59.029 474936 DEBUG iso8601.iso8601 [-] Got u'06' for 'monthdash' with default 1 to_int /usr/lib/python2.7/dist-packages/iso8601/iso8601.py:140
  2017-06-01 02:52:59.029 474936 DEBUG iso8601.iso8601 [-] Got 6 for 'month' with default 6 to_int /usr/lib/python2.7/dist-packages/iso8601/iso8601.py:140
  2017-06-01 02:52:59.030 474936 DEBUG iso8601.iso8601 [-] Got u'01' for 'daydash' with default 1 to_int /usr/lib/python2.7/dist-packages/iso8601/iso8601.py:140
  2017-06-01 02:52:59.030 474936 DEBUG iso8601.iso8601 [-] Got 1 for 'day' with default 1 to_int /usr/lib/python2.7/dist-packages/iso8601/iso8601.py:140
  2017-06-01 02:52:59.031 474936 DEBUG iso8601.iso8601 [-] Got u'03' for 'hour' with default None to_int /usr/lib/python2.7/dist-packages/iso8601/iso8601.py:140
  2017-06-01 02:52:59.031 474936 DEBUG iso8601.iso8601 [-] Got u'40' for 'minute' with default None to_int /usr/lib/python2.7/dist-packages/iso8601/iso8601.py:140
  2017-06-01 02:52:59.032 474936 DEBUG iso8601.iso8601 [-] Got u'13' for 'second' with default None to_int /usr/lib/python2.7/dist-packages/iso8601/iso8601.py:140
  2017-06-01 02:52:59.034 474936 DEBUG keystonemiddleware.auth_token [-] Received request from user: user_id a30343f8d1cc454582b4908e69db5a86, project_id 1d7a9ffd4d8d4f37863e689a2703f3a6, roles admin process_request /usr/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py:759
  2017-06-01 02:52:59.036 474936 DEBUG nova.utils [req-e4f3d847-1991-47fd-a895-92f0e8265a5d a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] Reloading cached file /etc/nova/policy.json read_cached_file /usr/lib/python2.7/dist-packages/nova/utils.py:1525
  2017-06-01 02:52:59.041 474936 DEBUG nova.openstack.common.policy [req-e4f3d847-1991-47fd-a895-92f0e8265a5d a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] Reloaded policy file: /etc/nova/policy.json _load_policy_file /usr/lib/python2.7/dist-packages/nova/openstack/common/policy.py:295
  2017-06-01 02:52:59.375 474936 DEBUG routes.middleware [req-e4f3d847-1991-47fd-a895-92f0e8265a5d a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] Matched GET /1d7a9ffd4d8d4f37863e689a2703f3a6/limits __call__ /usr/lib/python2.7/dist-packages/routes/middleware.py:105
  2017-06-01 02:52:59.376 474936 DEBUG routes.middleware [req-e4f3d847-1991-47fd-a895-92f0e8265a5d a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] Route path: '/{project_id}/limits', defaults: {'action': u'index', 'controller': <nova.api.openstack.wsgi.ResourceV21 object at 0x7f5db7c92450>} __call__ /usr/lib/python2.7/dist-packages/routes/middleware.py:107
  2017-06-01 02:52:59.376 474936 DEBUG routes.middleware [req-e4f3d847-1991-47fd-a895-92f0e8265a5d a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] Match dict: {'action': u'index', 'controller': <nova.api.openstack.wsgi.ResourceV21 object at 0x7f5db7c92450>, 'project_id': u'1d7a9ffd4d8d4f37863e689a2703f3a6'} __call__ /usr/lib/python2.7/dist-packages/routes/middleware.py:108
  2017-06-01 02:52:59.377 474936 DEBUG nova.api.openstack.wsgi [req-e4f3d847-1991-47fd-a895-92f0e8265a5d a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] Calling method '<bound method LimitsController.index of <nova.api.openstack.compute.limits.LimitsController object at 0x7f5db7cf1ed0>>' _process_stack /usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py:792
  2017-06-01 02:52:59.382 474936 INFO nova.osapi_compute.wsgi.server [req-e4f3d847-1991-47fd-a895-92f0e8265a5d a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] 192.168.0.51 "GET /v2/1d7a9ffd4d8d4f37863e689a2703f3a6/limits HTTP/1.1" status: 200 len: 701 time: 0.3726971
  2017-06-01 02:53:01.377 474981 DEBUG nova.metadata.wsgi.server [-] (474981) accepted ('192.168.0.51', 53493) server /usr/lib/python2.7/dist-packages/eventlet/wsgi.py:826
  2017-06-01 02:53:01.382 474981 INFO nova.api.ec2 [-] 0.438s 192.168.0.51 OPTIONS / None:None 200 [None] text/plain text/plain
  2017-06-01 02:53:01.383 474981 INFO nova.metadata.wsgi.server [-] 192.168.0.51 "OPTIONS / HTTP/1.0" status: 200 len: 234 time: 0.0020192
  2017-06-01 02:53:02.364 474981 DEBUG nova.metadata.wsgi.server [-] (474981) accepted ('240.0.0.2', 58832) server /usr/lib/python2.7/dist-packages/eventlet/wsgi.py:826
  2017-06-01 02:53:02.366 474981 INFO nova.api.ec2 [-] 0.263s 240.0.0.2 OPTIONS / None:None 200 [None] text/plain text/plain
  2017-06-01 02:53:02.367 474981 INFO nova.metadata.wsgi.server [-] 240.0.0.2 "OPTIONS / HTTP/1.0" status: 200 len: 234 time: 0.0014482
  2017-06-01 02:53:06.906 474944 DEBUG nova.osapi_compute.wsgi.server [-] (474944) accepted ('192.168.0.51', 36586) server /usr/lib/python2.7/dist-packages/eventlet/wsgi.py:826
  2017-06-01 02:53:06.908 474944 DEBUG nova.api.openstack.wsgi [-] Calling method '<bound method Versions.index of <nova.api.openstack.compute.versions.Versions object at 0x7f5db8205550>>' _process_stack /usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py:792
  2017-06-01 02:53:06.912 474944 INFO nova.osapi_compute.wsgi.server [-] 192.168.0.51 "OPTIONS / HTTP/1.0" status: 200 len: 501 time: 0.0042901
  2017-06-01 02:53:07.146 474927 DEBUG nova.osapi_compute.wsgi.server [-] (474927) accepted ('240.0.0.2', 35045) server /usr/lib/python2.7/dist-packages/eventlet/wsgi.py:826
  2017-06-01 02:53:07.148 474927 DEBUG nova.api.openstack.wsgi [-] Calling method '<bound method Versions.index of <nova.api.openstack.compute.versions.Versions object at 0x7f5db8205550>>' _process_stack /usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py:792
  2017-06-01 02:53:07.155 474927 INFO nova.osapi_compute.wsgi.server [-] 240.0.0.2 "OPTIONS / HTTP/1.0" status: 200 len: 501 time: 0.0043240
  ~
  ?ERROR                                                                                                                                                
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/logging/__init__.py", line 1271, in _log
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     self.handle(record)
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/logging/__init__.py", line 1281, in handle
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/logging/__init__.py", line 1271, in _log
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     self.handle(record)
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/logging/__init__.py", line 1281, in handle
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     self.callHandlers(record)
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/logging/__init__.py", line 1321, in callHandlers
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     hdlr.handle(record)
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/logging/__init__.py", line 749, in handle
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     self.emit(record)
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/oslo_log/handlers.py", line 101, in emit
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     self.format(record))
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/logging/__init__.py", line 724, in format
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     return fmt.format(record)
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/oslo_log/formatters.py", line 236, in format
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     return logging.Formatter.format(self, record)
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/logging/__init__.py", line 464, in format
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     record.message = record.getMessage()
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/logging/__init__.py", line 328, in getMessage
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     msg = msg % self.args
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/strategy_options.py", line 183, in __str__
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions     return "Load(strategy=%r)" % self.strategy
  2017-06-01 02:40:28.389 474943 ERRO Rnovd API Error:enstack.extensions TypeError: not all arguments converted during string formatting
  2017-06-01 02:40:28.389 474943 ERROR nova.api.openstack.extensions
  2017-06-01 02:40:28.393 474943 INFO nova.api.openstack.wsgi [req-2720084a-4899-45bb-afe6-58500be3cccf a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'>
  2017-06-01 02:40:28.394 474943 DEBUG nova.api.openstack.wsgi [req-2720084a-4899-45bb-afe6-58500be3cccf a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] Returning 500 to user: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'> __call__ /usr/lib/python2.7/dist-packages/nova/api/openstack/wsgi.py:1175
  2017-06-01 02:40:28.395 474943 INFO nova.osapi_compute.wsgi.server [req-2720084a-4899-45bb-afe6-58500be3cccf a30343f8d1cc454582b4908e69db5a86 1d7a9ffd4d8d4f37863e689a2703f3a6 - - -] 192.168.0.51 "GET /v2/1d7a9ffd4d8d4f37863e689a2703f3a6/os-simple-tenant-usage?start=2017-05-31T00:00:00&end=2017-06-01T23:59:59&detailed=1 HTTP/1.1" status: 500 len: 419 time: 1.1530519
  2017-06-01 02:40:30.214 474965 DEBUG nova.metadata.wsgi.server [-] (474965) accepted ('192.168.0.51', 47646) server /usr/lib/python2.7/dist-packages/eventlet/wsgi.py:826
  2017-06-01 02:40:30.215 474965 INFO nova.api.ec2 [-] 0.172s 192.168.0.51 OPTIONS / None:None 200 [None] text/plain text/plain
  2017-06-01 02:40:30.215 474965 INFO nova.metadata.wsgi.server [-] 192.168.0.51 "OPTIONS / HTTP/1.0" status: 200 len: 234 time: 0.0007858
  2017-06-01 02:40:30.874 474965 DEBUG nova.metadata.wsgi.server [-] (474965) accepted ('240.0.0.2', 52537) server /usr/lib/python2.7/dist-packages/eventlet/wsgi.py:826
  2017-06-01 02:40:30.875 474965 INFO nova.api.ec2 [-] 0.143s 240.0.0.2 OPTIONS / None:None 200 [None] text/plain text/plain
  ======================================================================
  #dpkg -l | grep nova
  ii  nova-api                             2:12.0.2-1~u14.04+mos21                all          OpenStack Compute - compute API frontend
  ii  nova-cert                            2:12.0.2-1~u14.04+mos21                all          OpenStack Compute - certificate manager
  ii  nova-common                          2:12.0.2-1~u14.04+mos21                all          OpenStack Compute - common files
  ii  nova-conductor                       2:12.0.2-1~u14.04+mos21                all          OpenStack Compute - conductor service
  ii  nova-consoleauth                     2:12.0.2-1~u14.04+mos21                all          OpenStack Compute - Console Authenticator
  ii  nova-consoleproxy                    2:12.0.2-1~u14.04+mos21                all          OpenStack Compute - NoVNC proxy
  ii  nova-objectstore                     2:12.0.2-1~u14.04+mos21                all          OpenStack Compute - object store
  ii  nova-scheduler                       2:12.0.2-1~u14.04+mos21                all          OpenStack Compute - virtual machine scheduler
  ii  python-nova                          2:12.0.2-1~u14.04+mos21                all          OpenStack Compute - libraries
  ii  python-novaclient                    2:2.30.2-1~u14.04+mos5                 all          client library for OpenStack Compute API

  Storage is Ceph.
  ===========================================================================

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References

[Bug 1694873] [NEW] openstack server list report "Unexpected API Error" under unbuntu liberty keystone v3
From: Baosheng.liang, 2017-06-01