Shulou(Shulou.com)06/03 Report--

Zooper cluster structure:

Hostname role

Node1 follower

Node2 leader

Node3 follower

Master observer

Content of the script:

#! / bin/bash

Function getstatus () {

# define a function

Exec 9/dev/tcp/$1/2181 2 > / dev/null

# Open the port read / write socket connection of host, and connect with the file descriptor 9

Echo stat > & 9

# send "stat" to socket connection

MODE=$ (cat

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