需要目标机器安装有 expect 命令
分成五个文件config.ini(配置文件)、id_ras.pub(公钥)、read.sh(一个函数,用于读取配置文件)、test.sh(执行文件)、run.sh(远程运行脚本) 是一个配置文件.
步骤1:读取配置文件 ip,user,pwd
步骤2:将id_rsa.pub、run.sh scp到远程机器上
步骤3:远程运行脚本
read.sh
#!/bin/bash GetKey(){
section=$(echo $ |cut -d '.' -f )
key=$(echo $ |cut -d '.' -f )
if [ "$section"x = "ip"x ];then
nub=`cat config.ini | grep -n "$key={" |awk -F ":" '{print $1}'`
nue=`cat config.ini | grep -n "}" |awk -F ":" '{print $1}'`
nub=`expr $nub +`
for i in $nue
do
if [ $i -gt $nub ]; then
a=$i
break
fi
done
nue=`expr $a -`
sed -n "$nub,$nue p" config |sed s/,//g
else
sed -n "/\[$section\]/,/\[.*\]/{
/^\[.*\]/d
/^[ \t]*$/d
/^$/d
/^#.*$/d
s/^[ \t]*$key[ \t]*=[ \t]*\(.*\)[ \t]*/\/p
}" config.ini
}
run.sh
#!/bin/bash Create(){
/usr/bin/expect -c"
set timeout
spawn ssh-keygen -t rsa
expect \":\"
send \"\r\"
expect \":\"
send \"\r\"
expect \":\"
send \"\r\"
expect eof
exit
"
} if [ ! -d .ssh ];then
Create
if [ $? != ];then
echo "step for create failed"
exit
else
cat id_rsa.pub >> .ssh/authorized_keys
if [ $? != ];then
echo "step for cp failed"
exit
fi
fi
else
cat id_rsa.pub >> .ssh/authorized_keys
if [ $? != ];then
echo "step for cp failed"
exit
fi
fi
test.sh
#!/bin/bash
. ./read.sh ip=$(GetKey "ip.ip")
passwd=$(GetKey "pass.passwd")
user=$(GetKey "user.usr") for i in $ip
do
/usr/bin/expect -c"
set timeout10
spawn /usr/bin/scp -r run.sh $user@$i
expect \"password:\" {send \"$passwd\r\"}
spawn /usr/bin/scp -r id_rsa.pub $user@$i
expect \"password:\" {send \"$passwd\r\"}
expect eof
exit
"
/usr/bin/expect << EOF
set timeout
spawn ssh user@$i
expect "password:"
send "$passwd\r"
expect "]"
send "sh run.sh\r"
send "exit\r"
expect eof
EOF
done
配置文件
[ip]
ip={
12.23.31.114
,21.34.54.112
} [user]
usr=hehehe [pass]
passwd=wohehehda