Description of problem: neutron_tempest_plugin.api.admin.test_shared_network_extension.RBACSharedNetworksTest.test_duplicate_policy_error tests that an attempt to create an existing network rbac policy fails with proper error. Client expects a conflicting response from the server, however client bails out after it hits HTTP timeout with 504 code and following message "<html><body><h1>504 Gateway Time-out</h1>\nThe server didn't respond in time.\n</body></html>\n" The reason is that the retry mechanism in Neutron is triggered when there is an existing entry in the database, hence Neutron keeps trying to create the entry 20 times. $ grep "Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy" server.log 2019-06-01 12:07:45.818 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:07:46.971 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:07:48.083 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:07:50.186 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:07:51.707 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:07:59.067 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:08:09.052 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:08:19.588 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:08:30.290 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:08:41.252 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:08:51.845 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:09:02.596 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:09:13.276 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:09:20.370 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:09:31.186 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 2019-06-01 12:09:41.736 [c0] 24 DEBUG oslo_db.api [req-3e52bd47-d430-4728-964a-756e8c92feb4 485fadc82b5a4657bbec68b54c08c6f7 c0fa77e90d134c629d2c01c955e5fc22 - default default] Performing DB retry for function neutron.db.rbac_db_mixin.RbacPluginMixin.create_rbac_policy wrapper /usr/lib/python3.6/site-packages/oslo_db/api.py:156 then the client disconnects: ConnectionResetError: [Errno 104] Connection reset by peer Version-Release number of selected component (if applicable): Steps to Reproduce: 1. Create a network with shared rbac policy 2. Create the same shared rbac policy 3. Actual results: 504 Expected results: 409 Additional info:
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2019:2811