def snapshot(self, snapshot_id):
        return self.connection.create_dbsnapshot(snapshot_id, self.id)
Register a new engine, and update our connection info.
dataset/ETHPy150Open darcyliu/storyboard/boto/rds/dbinstance.py/DBInstance.snapshot--crossover with--dataset/ETHPy150Open ipython/ipython-py3k/IPython/parallel/client/client.py/Client._register_engine