shell脚本批量ssh登陆主机并执行命令

今天在客户现场遇到了这个问题，客户没有管理工具，无法批量登陆主机下发命令，几个个C段啊，让我一个一个登陆，。。。。。。。。。。。。。。。。。。

所以写了个shell脚本，批量使用用户名密码方式登陆Linux主机，执行命令，并判断是否执行成功。

目前主要有两个功能：

根据给出的C段，生成对应的IP地址，保存。

读取IP地址文件，循环登陆主机执行命令，根据返回结果判断是否执行成功。

#!/bin/sh

# Date : 2018-09-14 14:56:09

# Author: b4zinga

# Email : [email protected]

# Func : 批量登陆Linux主机并执行命令

username="root"

password="centos"

port="22"

timeout=3

cmd="ip a" # the command to be executed

succ_flag="eth0" # Characteristics of the return value after exec the cmd

iplist="ip_list.txt" # the ip list

succ_ip="success_ip_list.txt" # ip,successfuly exec

Failed_ip="Failed_ip_list.txt" # ip,Failed exec

c=192.168.27. # ip segment

#---------------------------------------------------

# make ip address by ip segment

mkip(){

for((i=1;i<256;i++))

do

echo "$c$i" >> $iplist

done

echo "ip finished ! see $iplist"

echo ""

}

# login and exec cmd

login(){

echo "-------------------------------------------------------- "

echo "username: $username password: $password port: $port timeout=$timeout"

echo "command: $cmd"

echo "--------------------------------------------------------"

echo ""

for host in `cat $iplist`;

do

result=`sshpass -p "$password" ssh -p $port -o StrictHostKeyChecking=no -o ConnectTimeout=$timeout [email protected]$host $cmd`

if [[ $result =~ $succ_flag ]]

then

echo $host >> $succ_ip

else

echo $host >> $Failed_ip

fi

done

}

help(){

echo "----------------------------------------------------------------"

echo "bash remote.sh"

echo ""

echo "bash remote.sh mkip make IP list"

echo "bash remote.sh login login to exec command "

echo "bash remote.sh all make IP list and login to exec command"

echo "-----------------------------------------------------------------"

exit 1

}

#-----------------------------start-------------------------------------------

[ $# -gt 0 ] || help $*

echo $1

case $1 in

mkip)

mkip

exit 0

;;

login)

login

exit 0

;;

all)

mkip

login

exit 0

;;

*)

help $*

exit 0

;;

esac