usage: cub [-h] {zk-ready,kafka-ready,sr-ready,kr-ready,listeners,ensure-topic,connect-ready,ksql-server-ready,control-center-ready} ... Confluent Platform Utility Belt. positional arguments: {zk-ready,kafka-ready,sr-ready,kr-ready,listeners,ensure-topic,connect-ready,ksql-server-ready,control-center-ready} Actions options: -h, --help show this help message and exit