Error from pulp on the smart proxy:

pulp.server.webservices.application:CRITICAL: *************************************************************
pulp.server.db.migrate.models:ERROR: pulp_deb.plugins.migrations hasn't been updated to the latest available migration.
pulp.server.webservices.application:CRITICAL: *************************************************************
pulp.server.webservices.application:CRITICAL: The Pulp server failed to start due to the following reasons:
pulp.server.webservices.application:ERROR: (7046-60704)   The database has not been migrated to the current version. Run pulp-manage-db and restart the application.                                                                                                           
pulp.server.webservices.application:ERROR: (7046-60704) Traceback (most recent call last):
pulp.server.webservices.application:ERROR: (7046-60704)   File "/usr/lib/python2.7/site-packages/pulp/server/webservices/application.py", line 111, in wsgi_application                                                                                                        
pulp.server.webservices.application:ERROR: (7046-60704)     _initialize_web_services()
pulp.server.webservices.application:ERROR: (7046-60704)   File "/usr/lib/python2.7/site-packages/pulp/server/webservices/application.py", line 74, in _initialize_web_services                                                                                                 
pulp.server.webservices.application:ERROR: (7046-60704)     migration_models.check_package_versions()
pulp.server.webservices.application:ERROR: (7046-60704)   File "/usr/lib/python2.7/site-packages/pulp/server/db/migrate/models.py", line 314, in check_package_versions                                                                                                        
pulp.server.webservices.application:ERROR: (7046-60704)     raise Exception(error_message)
pulp.server.webservices.application:ERROR: (7046-60704) InitializationException: The database has not been migrated to the current version. Run pulp-manage-db and restart the application.                                                                                    
pulp.server.webservices.application:CRITICAL: *************************************************************

Workaround¶

foreman-maintain service stop
service rh-mongodb34-mongod start
sudo -u apache pulp-manage-db
foreman-maintain service start