shell项目-分发系统-expect讲解

shell项目-分发系统-expect讲解

yum install -y expect

1. 自动远程登录

#! /usr/bin/expect

set host "192.168.133.132"

set passwd "123456"

spawn ssh root@$host

expect {

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

"assword:" { send "$passwd\r" }

}

interact

2. 自动远程登录后，执行命令并退出

#!/usr/bin/expect

set user "root"

set passwd "123456"

spawn ssh [email protected]

expect {

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

"password:" { send "$passwd\r" }

}

expect "]*"

send "touch /tmp/12.txt\r"

expect "]*"

send "echo 1212 > /tmp/12.txt\r"

expect "]*"

send "exit\r"

3. 传递参数

#!/usr/bin/expect

set user [lindex $argv 0]

set host [lindex $argv 1]

set passwd "123456"

set cm [lindex $argv 2]

spawn ssh $user@$host

expect {

"yes/no" { send "yes\r"}

"password:" { send "$passwd\r" }

}

expect "]*"

send "$cm\r"

expect "]*"

send "exit\r"

4. 自动同步文件

#!/usr/bin/expect

set passwd "123456"

spawn rsync -av [email protected]:/tmp/12.txt /tmp/

expect {

"yes/no" { send "yes\r"}

"password:" { send "$passwd\r" }

}

expect eof

5. 指定host和要同步的文件

#!/usr/bin/expect

set passwd "123456"

set host [lindex $argv 0]

set file [lindex $argv 1]

spawn rsync -av $file root@$host:$file

expect {

"yes/no" { send "yes\r"}

"password:" { send "$passwd\r" }

}

expect eof