#!/bin/bash
#ChengRuoFei
#sshAuto.sh脚本名，需要传入 对方服务器 用户和密码（$1 $2 传参）
sshIP=$1
sshPassword=$2
#本机公私秘钥 expect免交互方式生成函数
function sshKeygenAuto() {
if [ ! -e ~/.ssh/id_rsa.pub ]; then
echo “The public/private rsa key pair not exist, start Generating…”
yum install expect -y >/dev/null 2>&1
expect -c ”
spawn ssh-keygen
expect {
\”ssh/id_rsa):\” {send \”\r\”;exp_continue}
\”passphrase):\” {send \”\r\”;exp_continue}
\”again:\” {send \”\r\”;exp_continue}
}
” >/dev/null 2>&1
if [ -e ~/.ssh/id_rsa.pub ]; then
echo “Generating public/private rsa key pair successfully.”
else
echo “Generating public/private rsa key pair failure!”
fi
fi
}
#发送对方服务器公钥匙的expect免交互函数
function sshCopyIdAuto() {
cd
expect -c ”
spawn ssh-copy-id -i .ssh/id_rsa.pub $sshIP
expect {
\”(yes/no)?\” {send \”yes\r\”;exp_continue}
\”password:\” {send \”$sshPassword\r\”;exp_continue}
}
” >/dev/null 2>&1
}
#对传参的判断并执行函数
[[ -z “$sshIP” ]] && echo “\$1 empty,please input \$1 ” ! || sshKeygenAuto
[[ -z “$sshPassword” ]] && echo “\$2 empty,please input \$2” ! ||sshCopyIdAuto
#脚本到此完
###########################################################
#脚本执行过程：
#测试环境为4台服务器，密码123456，具体执行命令如下：
vi sshAuto.sh
bash sshAuto.sh 192.168.18.101 123456
bash sshAuto.sh 192.168.18.102 123456
bash sshAuto.sh 192.168.18.103 123456
bash sshAuto.sh 192.168.18.104 123456
scp sshAuto.sh 192.168.18.102:~
ssh 192.168.18.102 “bash sshAuto.sh 192.168.18.101 123456”
ssh 192.168.18.102 “bash sshAuto.sh 192.168.18.102 123456”
ssh 192.168.18.102 “bash sshAuto.sh 192.168.18.103 123456”
ssh 192.168.18.102 “bash sshAuto.sh 192.168.18.104 123456”
scp sshAuto.sh 192.168.18.103:~
ssh 192.168.18.103 “bash sshAuto.sh 192.168.18.101 123456”
ssh 192.168.18.103 “bash sshAuto.sh 192.168.18.102 123456”
ssh 192.168.18.103 “bash sshAuto.sh 192.168.18.103 123456”
ssh 192.168.18.103 “bash sshAuto.sh 192.168.18.104 123456”
scp sshAuto.sh 192.168.18.104:~
ssh 192.168.18.104 “bash sshAuto.sh 192.168.18.101 123456”
ssh 192.168.18.104 “bash sshAuto.sh 192.168.18.102 123456”
ssh 192.168.18.104 “bash sshAuto.sh 192.168.18.103 123456”
ssh 192.168.18.104 “bash sshAuto.sh 192.168.18.104 123456”