Monitoring ETCD

Get the existence of ETCD LeaderGet the trend of ETCD Leader change countGet the trend of ETCD Proposal count by stateGet the trend of ETCD Proposal failure countGet the trend of CPU usage for ETCD nodesGet the trend of Memory usage for ETCD nodesGet the trend of Network transmit and receive volume between ETCD serversGet the trend of Network transmit and receive volume between ETCD servers by nodeGet the trend of ETCD gRPC callGet the trend of ETCD gRPC Active StreamsGet the trend of ETCD Disk processing wait timeGet the trend of ETCD Disk processing wait time by nodeGet the trend of ETCD snapshot save wait timeGet the trend of ETCD DB size