Common test for checking models with migrations for oslo-incubator

All component from Openstack uses models as python representation and migrations as database creation tools. There is no check for equality of models with databse state. In fact we have differences in models. We are working on syncing models with migrations, but it will be better to have common test that will check ...

Move common settings from services manager. for oslo-incubator

Managers are responsible for a certain aspect of the system. It is a logical grouping of code relating to a portion of the system. In general other components should be using the manager to make changes to the components that it is responsible for. Manager are used at least in Nova and Cinder, so we should move t...

Move common scheduler code from components to oslo for oslo-incubator

There are few OpenStack components which share the same "logic", but use its own implementation. Moving this part of code to oslo library potentially will help to improve quality of code and decrease cost of support. Candidates: host_manager.py manager.py scheduler_options.py filters/retry_filter.py manager/base_se...