shell脚本实现ssh自动登录功能分享

文件名：ssh_auto_login

#!/usr/bin/expect
##
# ssh模拟登陆器
#
# @author zhiyuan <hzyhouzhiyuan艾特gmail.com>
##
if {$argc<4} {
 puts "Error params: $argv"
 puts "Expect params ：user passwd ip port [translate_id]"
 exit 1
}

set default_passcode "这里填通道机的默认密码"

set user [lindex $argv 0]
set password [lindex $argv 1]
set ip [lindex $argv 2]
set port [lindex $argv 3]
set timeout 10

while 1 {
 spawn ssh -p $port $user@$ip 
 #如果最后的字符匹配则执行命令r结尾表示确定
 expect {
  "*yes/no" { send "yesr";exp_continue}
  "*password:" { send "$passwordr" }
 }
        #这里是需要通过通道机登陆时的匹配流程，根据需要自行修改。
 expect {
  "*PASSCODE:" { 
   send_user "请输入通道机动态密码:";
   expect_user -re "(.*)n"
   set random_passcode $expect_out(1,string)
   send "$default_passcode$random_passcoder"
   expect {
    "Access Denied" { continue }
    "Enter:" { send "1r" }
   }
   set translate_ip [lindex $argv 4]
   if { $translate_ip != "" } {
    expect "*):" { send "$translate_ipr" }
   }
  }
  #"Last login:*" { }
 }
 break
}
#无法匹配$,还不知道怎么解决
#expect -re "*$" { puts "test123"; send "source /etc/profiler" }
#expect "*$" { send "cd ~r" }
send_user "login success!"
interact

上边是ssh的自动登录，可以配合下边的shell使用，很方便。
文件名：xxx_launcher

#!/bin/sh
##
# 服务器登陆器
#
# @author zhiyuan <hzyhouzhiyuan@gmail.com>
##
channel_user="user_namexxx"
channel_passwd="xxxx"
#内网通道机
internal_ip1=xxx.xxx.xxx.xxx
#联通
unicom_ip1=xxx.xxx.xxx.xxx
#电信
telecom_ip1=xxx.xxx.xxx.xxx
case "$1" in
 ci)
  expect ssh_auto_login $channel_user $channel_passwd $internal_ip3 22 

 cl)
  expect ssh_auto_login $channel_user $channel_passwd $unicom_ip1 22

 cd)
  expect ssh_auto_login $channel_user $channel_passwd $telecom_ip1 22

 149)
  expect ssh_auto_login channel_user channel_passwd xxx.xx.xxx.xxx 22 

 49)
  expect ssh_auto_login $channel_user $channel_passwd $unicom_ip1 22 需要通道机跳转的ipxxx.xxx.xx

 *)
  echo "帮助信息："
  echo "tthere is not a server named [$1]"
  echo "t服务器149：t149"
  echo "t服务器49:t49"

esac

此时登陆某个服务器的时候就直接 用上述shell带要登录的服务器参数即可,如： ./xxx_launcher 49