SSH遠端登入執行命令指令碼
阿新 • • 發佈:2018-12-11
一、簡述
運維工作中遠端登入執行命令的指令碼很常用,下面分享一下我常用的指令碼
二、指令碼內容
#!/bin/bash
SCRIPT_NAME=`basename $0`
CURRENT_DIR=$(cd "$(dirname "$0")";pwd)
execute_ssh_cmd()
{
local host_ip=$1
local user_name=$2
local user_password=$3
local cmd="$4"
local log_file=${CURRENT_DIR}/execute_ssh_cmd.log
# 如果密碼中包含$符號,需要轉義以下
user_password=`echo ${user_password} | sed 's/\\$/\\\\$/g'`
/usr/bin/expect <<EOF > ${log_file}
set timeout -1
spawn ssh ${user_name}@${host_ip}
expect {
"(yes/no)?"
{
send "yes\n"
expect "*assword:" { send "${user_password}\n"}
}
"*assword:"
{
send "${user_password}\n"
}
}
sleep 1
send "${cmd}\n"
send "exit\n"
expect eof
EOF
cat ${log_file} | grep -iE "Permission denied|failed" >/dev/null
if [ $? -eq 0 ];then
echo "Script execute failed!"
return 1
fi
return 0
}
execute_ssh_cmd "[email protected]"
三、使用舉例
[[email protected] opt]# ./execute_ssh_cmd.sh 192.168.233.134 root "SDjefwfefw" "cd /;df -h"
[[email protected] opt]# cat execute_ssh_cmd.log
spawn ssh [email protected]
Password:
Last login: Mon Sep 24 00:29:35 2018 from 192.168.233.132
linux:~ # cd /;df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 48G 3.7G 42G 9% /
udev 997M 96K 997M 1% /dev
tmpfs 997M 0 997M 0% /dev/shm
linux:/ # exit
logout
Connection to 192.168.233.134 closed.