def on_exit(self, *args, **kwargs):
        # save manifest
        self.update_config()

        # cleanly close
        self.running = False
        return True
Triggers a clean shut down of the node server by saving the manifest,
dataset/ETHPy150Open UniversalDevicesInc/Polyglot/polyglot/nodeserver_api.py/SimpleNodeServer.on_exit