@tornado.gen.coroutine<EOL><INDENT>def get(self):<DEDENT>
try:<EOL><INDENT>cluster = self.get_argument_cluster()<EOL>role = self.get_argument_role()<EOL>environ = self.get_argument_environ()<EOL>topology_name = self.get_argument_topology()<EOL>topology_info = self.tracker.getTopologyInfo(topology_name, cluster, role, environ)<EOL>execution_state = topology_info["<STR_LIT>"]<EOL>self.write_success_response(execution_state)<EOL><DEDENT>except Exception as e:<EOL><INDENT>Log.debug(traceback.format_exc())<EOL>self.write_error_response(e)<EOL><DEDENT>
get method