foreman_discovery, foreman-discovery-image, smart_proxy_discovery, hammer-cli-foreman-discovery, smart_proxy_discovery_image etc. plugin for many users using Discovery. When reading the guide Managing configurations by using Discovery integration it is used all over the place for configuration management with Discovery. 

Acceptance Criteria:

• Users can still use same supported foreman_discovery and others plugin and its integration mechanisms after Satellite has been containerized.
• Rewritten code is tested and verified.
• The documentation is updated

Open questions: