批量配置SSH 免密钥登录脚本

[root@c3-zabbix-serv hurl]# cat sendsshkey.sh 

 

#!/bin/bash 

if [ -z $1 ]; then

echo "Usage  : sh $0 username passwd"

echo "Example: sh $0 root 'passwd!@#2015'" 

fi 

function sendSSHKey(){ 

SSH='ssh-copy-id -i' 

HOME_DIR=`cd ~ && pwd` 

KEYSTORE=$HOME_DIR/.ssh/id_rsa.pub 

# $SSH $KEYSTORE ${1}@${2}

# 三个参数是'user'--'ip'--'password'

echo "========$#  -- $1 -- $2 -- $3 ========="

if [ ! $2 ] || [ ! $3 ] ;then

    echo "ip/password not found !" 

    exit

else

expect -c "

    spawn $SSH $KEYSTORE ${1}@${2}

    expect {

    \"*yes/no*\" {send \"yes\r\"; exp_continue}

    \"*password*\" {send \"$3\r\"; exp_continue}

    \"*Password*\" {send \"$3\r\";}

}

"

echo -e "\033[40;32m send sshkey to $2 success \033[0m\n"

fi

} 

#读取一行数据，用i做形参

cat ./hostlist.txt |while read i 

do

USER=$1

#从'hostlist.txt'文件中寻找IP

IP=`echo $i | awk '{print $1}'`

#echo " $# -- $1 --  $2"

#如果有一个参数,则从'hostlist.txt'文件中寻找密码

if [ $# -eq 1 ];then

    PASSWORD=`echo $i | awk '{print $2}'`

#如果有两个参数,把第二个参数当作密码

elif [ $# -eq 2 ];then

    PASSWORD=$2

else

    exit 

fi

sendSSHKey $USER $IP $PASSWORD

done 

 

====================================

使用命令：