2019-05-16 13:52:29.839 2089 ERROR keystone Traceback (most recent call last):
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/bin/keystone-manage", line 11, in <module>
2019-05-16 13:52:29.839 2089 ERROR keystone     sys.exit(main())
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/keystone/cmd/manage.py",
2019-05-16 13:52:29.839 2089 ERROR keystone     cli.main(argv=sys.argv, developer_config_file=developer_config)
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/keystone/cmd/cli.py", li
2019-05-16 13:52:29.839 2089 ERROR keystone     CONF.command.cmd_class.main()
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/keystone/cmd/cli.py", li
2019-05-16 13:52:29.839 2089 ERROR keystone     sys.exit(DbSync.check_db_sync_status())
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/keystone/cmd/cli.py", li
2019-05-16 13:52:29.839 2089 ERROR keystone     expand_version = upgrades.get_db_version(repo='expand_repo')
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/keystone/common/sql/upgr
2019-05-16 13:52:29.839 2089 ERROR keystone     with sql.session_for_read() as session:
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__
2019-05-16 13:52:29.839 2089 ERROR keystone     return self.gen.next()
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/oslo_db/sqlalchemy/engin
2019-05-16 13:52:29.839 2089 ERROR keystone     context=context) as resource:
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__
2019-05-16 13:52:29.839 2089 ERROR keystone     return self.gen.next()
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/oslo_db/sqlalchemy/engin
2019-05-16 13:52:29.839 2089 ERROR keystone     bind=self.connection, mode=self.mode)
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/oslo_db/sqlalchemy/engin
2019-05-16 13:52:29.839 2089 ERROR keystone     self._start()
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/oslo_db/sqlalchemy/engin
2019-05-16 13:52:29.839 2089 ERROR keystone     engine_args, maker_args)
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/oslo_db/sqlalchemy/engin
2019-05-16 13:52:29.839 2089 ERROR keystone     sql_connection=sql_connection, **engine_kwargs)
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/debtcollector/renames.py
2019-05-16 13:52:29.839 2089 ERROR keystone     return wrapped(*args, **kwargs)
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/oslo_db/sqlalchemy/engin
2019-05-16 13:52:29.839 2089 ERROR keystone     test_conn = _test_connection(engine, max_retries, retry_interval)
2019-05-16 13:52:29.839 2089 ERROR keystone   File "/openstack/venvs/keystone-18.1.4/lib/python2.7/site-packages/oslo_db/sqlalchemy/engin
2019-05-16 13:52:29.839 2089 ERROR keystone     six.reraise(type(de_ref), de_ref)
2019-05-16 13:52:29.839 2089 ERROR keystone   File "<string>", line 3, in reraise
2019-05-16 13:52:29.839 2089 ERROR keystone DBConnectionError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server dur
2019-05-16 13:52:29.839 2089 ERROR keystone
pam_unix(sudo:session): session closed for user keystone
pam_unix(su:session): session closed for user root