** Changed in: cloud-archive/stein Status: Fix Committed => Fix Released
-- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1808951 Title: python3 + Fedora + SSL + wsgi nova deployment, nova api returns RecursionError: maximum recursion depth exceeded while calling a Python object Status in Ubuntu Cloud Archive: Fix Released Status in Ubuntu Cloud Archive stein series: Fix Released Status in OpenStack Compute (nova): Fix Released Status in tripleo: Triaged Status in nova package in Ubuntu: Fix Released Status in nova source package in Disco: Fix Released Status in nova source package in Eoan: Fix Released Bug description: Description:- So while testing python3 with Fedora in [1], Found an issue while running nova-api behind wsgi. It fails with below Traceback:- 2018-12-18 07:41:55.364 26870 INFO nova.api.openstack.requestlog [req-e1af4808-ecd8-47c7-9568-a5dd9691c2c9 - - - - -] 127.0.0.1 "GET /v2.1/servers/detail?all_tenants=True&deleted=True" status: 500 len: 0 microversion: - time: 0.007297 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack [req-e1af4808-ecd8-47c7-9568-a5dd9691c2c9 - - - - -] Caught error: maximum recursion depth exceeded while calling a Python object: RecursionError: maximum recursion depth exceeded while calling a Python object 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack Traceback (most recent call last): 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/nova/api/openstack/__init__.py", line 94, in __call__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack return req.get_response(self.application) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/request.py", line 1313, in send 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack application, catch_exc_info=False) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/request.py", line 1277, in call_application 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack app_iter = application(self.environ, start_response) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/dec.py", line 129, in __call__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack resp = self.call_func(req, *args, **kw) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/dec.py", line 193, in call_func 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack return self.func(req, *args, **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/nova/api/openstack/requestlog.py", line 92, in __call__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack self._log_req(req, res, start) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 220, in __exit__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack self.force_reraise() 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 196, in force_reraise 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack six.reraise(self.type_, self.value, self.tb) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/six.py", line 693, in reraise 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack raise value 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/nova/api/openstack/requestlog.py", line 87, in __call__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack res = req.get_response(self.application) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/request.py", line 1313, in send 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack application, catch_exc_info=False) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/request.py", line 1277, in call_application 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack app_iter = application(self.environ, start_response) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/dec.py", line 143, in __call__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack return resp(environ, start_response) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/dec.py", line 129, in __call__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack resp = self.call_func(req, *args, **kw) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/dec.py", line 193, in call_func 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack return self.func(req, *args, **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/osprofiler/web.py", line 112, in __call__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack return request.get_response(self.application) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/request.py", line 1313, in send 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack application, catch_exc_info=False) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/request.py", line 1277, in call_application 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack app_iter = application(self.environ, start_response) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/dec.py", line 129, in __call__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack resp = self.call_func(req, *args, **kw) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/webob/dec.py", line 193, in call_func 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack return self.func(req, *args, **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystonemiddleware/auth_token/__init__.py", line 332, in __call__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack response = self.process_request(req) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystonemiddleware/auth_token/__init__.py", line 622, in process_request 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack resp = super(AuthProtocol, self).process_request(request) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystonemiddleware/auth_token/__init__.py", line 405, in process_request 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack allow_expired=allow_expired) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystonemiddleware/auth_token/__init__.py", line 437, in _do_fetch_token 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack data = self.fetch_token(token, **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystonemiddleware/auth_token/__init__.py", line 761, in fetch_token 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack allow_expired=allow_expired) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystonemiddleware/auth_token/_identity.py", line 219, in verify_token 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack auth_ref = self._request_strategy.verify_token( 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystonemiddleware/auth_token/_identity.py", line 170, in _request_strategy 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack strategy_class = self._get_strategy_class() 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystonemiddleware/auth_token/_identity.py", line 192, in _get_strategy_class 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack if self._adapter.get_endpoint(version=klass.AUTH_VERSION): 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/adapter.py", line 247, in get_endpoint 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack return self.session.get_endpoint(auth or self.auth, **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/session.py", line 1113, in get_endpoint 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack return auth.get_endpoint(self, **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/identity/base.py", line 380, in get_endpoint 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack allow_version_hack=allow_version_hack, **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/identity/base.py", line 271, in get_endpoint_data 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack service_catalog = self.get_access(session).service_catalog 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/identity/base.py", line 134, in get_access 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack self.auth_ref = self.get_auth_ref(session) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/identity/generic/base.py", line 206, in get_auth_ref 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack self._plugin = self._do_create_plugin(session) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/identity/generic/base.py", line 138, in _do_create_plugin 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack authenticated=False) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/identity/base.py", line 610, in get_discovery 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack authenticated=authenticated) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/discover.py", line 1442, in get_discovery 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack disc = Discover(session, url, authenticated=authenticated) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/discover.py", line 526, in __init__ 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack authenticated=authenticated) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/discover.py", line 101, in get_version_data 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack resp = session.get(url, headers=headers, authenticated=authenticated) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/session.py", line 1011, in get 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack return self.request(url, 'GET', **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/session.py", line 814, in request 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack resp = send(**kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/keystoneauth1/session.py", line 903, in _send_request 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack resp = self.session.request(method, url, **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/requests/sessions.py", line 524, in request 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack resp = self.send(prep, **send_kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/requests/sessions.py", line 637, in send 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack r = adapter.send(request, **kwargs) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/requests/adapters.py", line 449, in send 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack timeout=timeout 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/urllib3/connectionpool.py", line 600, in urlopen 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack chunked=chunked) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/urllib3/connectionpool.py", line 343, in _make_request 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack self._validate_conn(conn) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/urllib3/connectionpool.py", line 839, in _validate_conn 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack conn.connect() 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/urllib3/connection.py", line 332, in connect 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack cert_reqs=resolve_cert_reqs(self.cert_reqs), 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib/python3.6/site-packages/urllib3/util/ssl_.py", line 281, in create_urllib3_context 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack context.options |= options 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib64/python3.6/ssl.py", line 423, in options 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack super(SSLContext, SSLContext).options.__set__(self, value) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib64/python3.6/ssl.py", line 423, in options 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack super(SSLContext, SSLContext).options.__set__(self, value) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack File "/usr/lib64/python3.6/ssl.py", line 423, in options 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack super(SSLContext, SSLContext).options.__set__(self, value) 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack [Previous line repeated 280 more times] 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack RecursionError: maximum recursion depth exceeded while calling a Python object 2018-12-18 07:41:55.364 26870 ERROR nova.api.openstack 2018-12-18 07:41:55.371 26870 INFO nova.api.openstack [req-e1af4808-ecd8-47c7-9568-a5dd9691c2c9 - - - - -] https://127.0.0.1:8774/v2.1/servers/detail?all_tenants=True&deleted=True returned with HTTP 500 Environment Details:- OS: Fedora 28 python: 3.6.7 eventlet: 0.24.1 The issue is around using of eventlet.monkey_patch even if running under wsgi[2]. Eventlet Best practices suggest to not run(skip) monkey_patch when running behind wsgi[3] but with nova it's not the case. Expected result =============== Nova api should response successfully. Actual result ============= Nova api returns Recursion Error. [1] https://review.openstack.org/#/c/620561/ [2] https://github.com/openstack/nova/blob/a674241d0f026b546b38ec77ab472e916805c679/nova/api/openstack/wsgi_app.py#L32 [3] https://review.openstack.org/#/c/154642/2/specs/eventlet-best-practices.rst@54 ------------------------------------------------------------- Ubuntu SRU Details [Impact] Please see description above. [Test Case] * Deploy OpenStack Stein with tls endpoints * Attempt to interact with nova api (list flavors for example) https://paste.ubuntu.com/p/yFPsMqRVRx/ [Regression Potential] There is certainly regression potential with this patch as it is not a trivial change. The patch has landed in the upstream master branch which is now train, which means it has received iterative reviews and final approval from upstream reviewers and passed gate testing. The patch has not yet landed in the upstream stable/stein but does have one core reviewer's +2 and has passed zuul tests with a +1. The patch has been tested locally and confirmed to fix nova+wsgi+py3+SSL in initial Ubuntu testing. Without this change that combination is broken for Ubuntu Stein. To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1808951/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp