expect 实现批量主机公钥推送

expect 实现批量主机公钥推送

脚本案例

#!/bin/bash
#copy pub.rsa
#v1.0 itwangqiang 20202/12/29

pas=root
rpm -qa | grep expect &> /dev/null
if [ $? -eq 0 ];then
        echo "installing........"
        yum install -y expect &> /dev/null            #安装 expect 命令
fi

if [ ! -f ~/.ssh/id_rsa ];then
        ssh-keygen -P "" -f ~/.ssh/id_rsa &> /dev/null          #创建密钥
fi

for i in {1..254}       #循环推送公钥
do
        {
        ip=192.168.121.$i
        ping -c1 $ip &> /dev/null
        if [ $? -eq 0 ];then
                echo "$ip" >> /root/euccessful.txt
                /usr/bin/expect <<-EOF
                spawn ssh-copy-id $ip
                expect {        
                        "yes/no" { send "yes\r"; exp_continue }
                        "password:" { send "$pass\r" }
                }
                expect eof 
                EOF
        fi
        }&
done
wait
echo "Finishing!!!!!!!!!!"