[Bug 1827867] [NEW] [stein] maximum recursion depth exceeded while calling a Python object (File "/usr/lib/python3.6/ssl.py", line 465, in options)

Dmitrii Shcherbakov 1827867 at bugs.launchpad.net
Mon May 6 11:13:20 UTC 2019


Public bug reported:

Deployed stein with 19.04 charms and tried to use OpenStack dashboard
(just going through the panes). There were many errors (see the
screenshot) which seem to be caused by Nova API errors.

bundle: https://paste.ubuntu.com/p/SFsftWTVzb/

Dashboard error.log:

emote 10.232.46.131:60882] Login successful for user "admin" using domain "admin_domain", remote address 10.232.46.131.
emote 10.232.46.131:60882] Recoverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-602a4df0-
coverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-af4d8ba8-33ae-4b10-8978-092e06050c07)
emote 10.232.46.131:60882] Recoverable error: local variable 'limits' referenced before assignment
emote 10.232.46.131:60882] Policies ['cloud_admin', 'owner', 'admin_or_owner', 'admin_and_matching_domain_id', 'identity:create_trust'] reference a rule that is not d
emote 10.232.46.131:33692] Recoverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-32ce282d-
coverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-e397eb7f-e7a1-4115-ba63-5313e7ecf270)
emote 10.232.46.131:33692] Recoverable error: local variable 'limits' referenced before assignment
emote 10.232.46.131:60882] Call to list supported extensions failed. This is likely due to a problem communicating with the Nova endpoint. Host Aggregates panel will 
emote 10.232.46.131:33692] Policies ['cloud_admin', 'owner', 'admin_or_owner', 'admin_and_matching_domain_id', 'identity:create_trust'] reference a rule that is not d
emote 10.232.46.131:33692] Call to list supported extensions failed. This is likely due to a problem communicating with the Nova endpoint. Host Aggregates panel will 
emote 10.232.46.131:35464] Recoverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-0de0f5ee-
emote 10.232.46.131:35464] Policies ['cloud_admin', 'owner', 'admin_or_owner', 'admin_and_matching_domain_id', 'identity:create_trust'] reference a rule that is not d
emote 10.232.46.131:35464] Call to list supported extensions failed. This is likely due to a problem communicating with the Nova endpoint. Host Aggregates panel will 
emote 10.232.46.131:35464] Failed to retrieve quota information
emote 10.232.46.131:35464] Traceback (most recent call last):
emote 10.232.46.131:35464]   File "/usr/lib/python3/dist-packages/django/template/base.py", line 882, in _resolve_lookup
emote 10.232.46.131:35464]     current = current[bit]
emote 10.232.46.131:35464] TypeError: 'InstancesTable' object is not subscriptable


Nova API logs:

2019-05-06 00:27:36.046 1940120 INFO nova.api.openstack [req-d53c7b33-2544-4b20-8d1b-2bbde7219751 - - - - -] https://nova.maas:8774/v2.1/limits?reserved=1 returned with HTTP 500
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack [req-e9708f07-c980-44f1-801d-8fffb60f988c - - - - -] Caught error: maximum recursion depth exceeded while calling a Python object: RecursionError: maximum recursion depth exceeded while calling a Python object
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack Traceback (most recent call last):
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/nova/api/openstack/__init__.py", line 94, in __call__
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return req.get_response(self.application)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/request.py", line 1314, in send
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     application, catch_exc_info=False)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/request.py", line 1278, in call_application
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     app_iter = application(self.environ, start_response)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/dec.py", line 143, in __call__
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return resp(environ, start_response)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/dec.py", line 129, in __call__
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = self.call_func(req, *args, **kw)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/dec.py", line 193, in call_func
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return self.func(req, *args, **kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 330, in __call__
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     response = self.process_request(req)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 609, in process_request
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = super(AuthProtocol, self).process_request(request)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 403, in process_request
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     allow_expired=allow_expired)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 435, in _do_fetch_token
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     data = self.fetch_token(token, **kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 740, in fetch_token
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     allow_expired=allow_expired)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/_identity.py", line 210, in verify_token
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     auth_ref = self._request_strategy.verify_token(
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/_identity.py", line 161, in _request_strategy
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     strategy_class = self._get_strategy_class()
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/_identity.py", line 183, in _get_strategy_class
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     if self._adapter.get_endpoint(version=klass.AUTH_VERSION):
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/adapter.py", line 271, in get_endpoint
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return self.session.get_endpoint(auth or self.auth, **kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/session.py", line 1139, in get_endpoint
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return auth.get_endpoint(self, **kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/base.py", line 380, in get_endpoint
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     allow_version_hack=allow_version_hack, **kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/base.py", line 271, in get_endpoint_data
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     service_catalog = self.get_access(session).service_catalog
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/base.py", line 134, in get_access
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     self.auth_ref = self.get_auth_ref(session)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/generic/base.py", line 206, in get_auth_ref
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     self._plugin = self._do_create_plugin(session)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/generic/base.py", line 138, in _do_create_plugin
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     authenticated=False)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/base.py", line 610, in get_discovery
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     authenticated=authenticated)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/discover.py", line 1442, in get_discovery
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     disc = Discover(session, url, authenticated=authenticated)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/discover.py", line 526, in __init__
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     authenticated=authenticated)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/discover.py", line 101, in get_version_data
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = session.get(url, headers=headers, authenticated=authenticated)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/session.py", line 1037, in get
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return self.request(url, 'GET', **kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/session.py", line 835, in request
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = send(**kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/session.py", line 926, in _send_request
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = self.session.request(method, url, **kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/requests/sessions.py", line 520, in request
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = self.send(prep, **send_kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/requests/sessions.py", line 630, in send
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     r = adapter.send(request, **kwargs)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/requests/adapters.py", line 440, in send
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     timeout=timeout
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 601, in urlopen
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     chunked=chunked)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 346, in _make_request
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     self._validate_conn(conn)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 852, in _validate_conn
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     conn.connect()
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 314, in connect
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     cert_reqs=resolve_cert_reqs(self.cert_reqs),
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/util/ssl_.py", line 269, in create_urllib3_context
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     context.options |= options
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3.6/ssl.py", line 465, in options
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     super(SSLContext, SSLContext).options.__set__(self, value)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3.6/ssl.py", line 465, in options
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     super(SSLContext, SSLContext).options.__set__(self, value)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3.6/ssl.py", line 465, in options
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     super(SSLContext, SSLContext).options.__set__(self, value)
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   [Previous line repeated 289 more times]
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack RecursionError: maximum recursion depth exceeded while calling a Python object
2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack 
2019-05-06 00:27:39.731 1940121 INFO nova.api.openstack [req-e9708f07-c980-44f1-801d-8fffb60f988c - - - - -] https://nova.maas:8774/v2.1/extensions returned with HTTP 500

** Affects: nova (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: cpe-onsite

** Attachment added: "06-05-2019-dashboard-errors.png"
   https://bugs.launchpad.net/bugs/1827867/+attachment/5261855/+files/06-05-2019-dashboard-errors.png

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https://bugs.launchpad.net/bugs/1827867

Title:
  [stein] maximum recursion depth exceeded while calling a Python object
  (File "/usr/lib/python3.6/ssl.py", line 465, in options)

Status in nova package in Ubuntu:
  New

Bug description:
  Deployed stein with 19.04 charms and tried to use OpenStack dashboard
  (just going through the panes). There were many errors (see the
  screenshot) which seem to be caused by Nova API errors.

  bundle: https://paste.ubuntu.com/p/SFsftWTVzb/

  Dashboard error.log:

  emote 10.232.46.131:60882] Login successful for user "admin" using domain "admin_domain", remote address 10.232.46.131.
  emote 10.232.46.131:60882] Recoverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-602a4df0-
  coverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-af4d8ba8-33ae-4b10-8978-092e06050c07)
  emote 10.232.46.131:60882] Recoverable error: local variable 'limits' referenced before assignment
  emote 10.232.46.131:60882] Policies ['cloud_admin', 'owner', 'admin_or_owner', 'admin_and_matching_domain_id', 'identity:create_trust'] reference a rule that is not d
  emote 10.232.46.131:33692] Recoverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-32ce282d-
  coverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-e397eb7f-e7a1-4115-ba63-5313e7ecf270)
  emote 10.232.46.131:33692] Recoverable error: local variable 'limits' referenced before assignment
  emote 10.232.46.131:60882] Call to list supported extensions failed. This is likely due to a problem communicating with the Nova endpoint. Host Aggregates panel will 
  emote 10.232.46.131:33692] Policies ['cloud_admin', 'owner', 'admin_or_owner', 'admin_and_matching_domain_id', 'identity:create_trust'] reference a rule that is not d
  emote 10.232.46.131:33692] Call to list supported extensions failed. This is likely due to a problem communicating with the Nova endpoint. Host Aggregates panel will 
  emote 10.232.46.131:35464] Recoverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-0de0f5ee-
  emote 10.232.46.131:35464] Policies ['cloud_admin', 'owner', 'admin_or_owner', 'admin_and_matching_domain_id', 'identity:create_trust'] reference a rule that is not d
  emote 10.232.46.131:35464] Call to list supported extensions failed. This is likely due to a problem communicating with the Nova endpoint. Host Aggregates panel will 
  emote 10.232.46.131:35464] Failed to retrieve quota information
  emote 10.232.46.131:35464] Traceback (most recent call last):
  emote 10.232.46.131:35464]   File "/usr/lib/python3/dist-packages/django/template/base.py", line 882, in _resolve_lookup
  emote 10.232.46.131:35464]     current = current[bit]
  emote 10.232.46.131:35464] TypeError: 'InstancesTable' object is not subscriptable


  Nova API logs:

  2019-05-06 00:27:36.046 1940120 INFO nova.api.openstack [req-d53c7b33-2544-4b20-8d1b-2bbde7219751 - - - - -] https://nova.maas:8774/v2.1/limits?reserved=1 returned with HTTP 500
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack [req-e9708f07-c980-44f1-801d-8fffb60f988c - - - - -] Caught error: maximum recursion depth exceeded while calling a Python object: RecursionError: maximum recursion depth exceeded while calling a Python object
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack Traceback (most recent call last):
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/nova/api/openstack/__init__.py", line 94, in __call__
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return req.get_response(self.application)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/request.py", line 1314, in send
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     application, catch_exc_info=False)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/request.py", line 1278, in call_application
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     app_iter = application(self.environ, start_response)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/dec.py", line 143, in __call__
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return resp(environ, start_response)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/dec.py", line 129, in __call__
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = self.call_func(req, *args, **kw)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/webob/dec.py", line 193, in call_func
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return self.func(req, *args, **kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 330, in __call__
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     response = self.process_request(req)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 609, in process_request
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = super(AuthProtocol, self).process_request(request)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 403, in process_request
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     allow_expired=allow_expired)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 435, in _do_fetch_token
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     data = self.fetch_token(token, **kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/__init__.py", line 740, in fetch_token
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     allow_expired=allow_expired)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/_identity.py", line 210, in verify_token
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     auth_ref = self._request_strategy.verify_token(
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/_identity.py", line 161, in _request_strategy
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     strategy_class = self._get_strategy_class()
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystonemiddleware/auth_token/_identity.py", line 183, in _get_strategy_class
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     if self._adapter.get_endpoint(version=klass.AUTH_VERSION):
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/adapter.py", line 271, in get_endpoint
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return self.session.get_endpoint(auth or self.auth, **kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/session.py", line 1139, in get_endpoint
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return auth.get_endpoint(self, **kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/base.py", line 380, in get_endpoint
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     allow_version_hack=allow_version_hack, **kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/base.py", line 271, in get_endpoint_data
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     service_catalog = self.get_access(session).service_catalog
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/base.py", line 134, in get_access
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     self.auth_ref = self.get_auth_ref(session)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/generic/base.py", line 206, in get_auth_ref
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     self._plugin = self._do_create_plugin(session)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/generic/base.py", line 138, in _do_create_plugin
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     authenticated=False)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/identity/base.py", line 610, in get_discovery
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     authenticated=authenticated)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/discover.py", line 1442, in get_discovery
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     disc = Discover(session, url, authenticated=authenticated)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/discover.py", line 526, in __init__
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     authenticated=authenticated)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/discover.py", line 101, in get_version_data
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = session.get(url, headers=headers, authenticated=authenticated)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/session.py", line 1037, in get
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     return self.request(url, 'GET', **kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/session.py", line 835, in request
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = send(**kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/keystoneauth1/session.py", line 926, in _send_request
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = self.session.request(method, url, **kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/requests/sessions.py", line 520, in request
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     resp = self.send(prep, **send_kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/requests/sessions.py", line 630, in send
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     r = adapter.send(request, **kwargs)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/requests/adapters.py", line 440, in send
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     timeout=timeout
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 601, in urlopen
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     chunked=chunked)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 346, in _make_request
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     self._validate_conn(conn)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 852, in _validate_conn
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     conn.connect()
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 314, in connect
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     cert_reqs=resolve_cert_reqs(self.cert_reqs),
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3/dist-packages/urllib3/util/ssl_.py", line 269, in create_urllib3_context
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     context.options |= options
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3.6/ssl.py", line 465, in options
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     super(SSLContext, SSLContext).options.__set__(self, value)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3.6/ssl.py", line 465, in options
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     super(SSLContext, SSLContext).options.__set__(self, value)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   File "/usr/lib/python3.6/ssl.py", line 465, in options
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack     super(SSLContext, SSLContext).options.__set__(self, value)
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack   [Previous line repeated 289 more times]
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack RecursionError: maximum recursion depth exceeded while calling a Python object
  2019-05-06 00:27:39.725 1940121 ERROR nova.api.openstack 
  2019-05-06 00:27:39.731 1940121 INFO nova.api.openstack [req-e9708f07-c980-44f1-801d-8fffb60f988c - - - - -] https://nova.maas:8774/v2.1/extensions returned with HTTP 500

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