Api engine is written in Django framework, and do all the resource management for cello service.
Restful api document
Doc, don't edit files (api_engine_v1.*) directly, they are generated by source code.
Command line tools
There is a command line tool to manage all the resource in cello service, which is named celloctl.
The document of command line tools is here
Code, describe source code structure, data model, ant class relation.