etcdctl user 命令

etcdctl user COMMAND [OPTIONS] [Arguments…] # 用户添加，授予和撤消子命令

SubCommand 包括

• add # add a new user for the etcd cluster
• get # get details for a user
• list # list all current users
• remove # remove a user for the etcd cluster
• grant # grant roles to an etcd user
• revoke # revoke roles for an etcd user
• passwd # change password for a user

etcdctl user add USER # 为 etcd 集群添加用户