Shell脚本实现自动安装zookeeper

        #   serverIP 
        # or: 
        #   serverIP:serverPort:appPort 
        split_to_array $a ":" 
        serverIP=${array[0]} 
 
        if [ ${#array[*]} -ne 3 ]; then 
            a="$serverIP:$serverPort:$appPort"; 
        fi 
 
        local server="server.$sid=$a" 
        servers[sid-1]=$server 
        echo $server 
 
        ipaddrs[sid-1]=$serverIP 
    done 
 
    # output array to one line string: echo ${servers[@]} 
    # get length of array 
    len=${#servers[*]} 
    i=0 
    while [ $i -lt $len ] 
    do 
        let sid=i+1 
        destip=${ipaddrs[$i]} 
        destlogin=root@$destip 
        echo -e "<INFO> configuring server.$sid: $destip ...c" 
 
        ret=`ssh $destlogin "yum install -y zookeeper zookeeper-server && service zookeeper-server init --myid=$sid"` 
 
        ret=`ssh $destlogin "echo '#!{{install_zookeeper@hgdb.net==>' >> $ZOO_CFG"` 
 
        for s in ${servers[*]} 
        do 
            ret=`ssh $destlogin "echo '$s' >> $ZOO_CFG"` 
        done 
 
        ret=`ssh $destlogin "echo '#!<==install_zookeeper@hgdb.net}}' >> $ZOO_CFG"` 
 
        echo -e "OK." 
 
        let i++ 
    done 
 
    echo "<INFO> zookeeper cluster installation completed successfully!" 
} 
 
#======================================================================= 
install_zookeeper "2181" "192.168.122.201" "192.168.122.202" "192.168.122.203"