建立信任主机关系脚本

#!/bin/bash
#功能：分发
#时间：2016-7-27
#版本：v0.01

#引用全局变量
. global_var
#远程主机接收文件目录-->$remote_dir
#远程主机接受文件用户-->$user
#远程主机接受文件用户密码-->$passwd

#==============================
#Function->error_log
#错误日志
#==============================
error_log()
{
if [ $? -eq 0 ] ; then 
   echo $1,$2,$3 >> $logfile
   cat tips >> $logfile
else
  echo $1,$2,$4 >> $logfile
  cat tips >> $logfile
fi
}

#==============================
#Function->create_ip_list
#获得需要分发文件的主机ip列表
#==============================
create_ip_list()
{
echo ">>>>>>>>>>>>>>>正在创建ip列表<<<<<<<<<<<<<<<<"
echo "10.0.10.111" > ip_list
echo "10.0.10.12" >> ip_list
}

#==============================
#Function->send_file
#大批量发送
#==============================
send_file()
{
echo
echo
echo -n -e "	请输入文件的绝对路径："
read file
filename=`echo $file|awk -F'/' 'END{print $NR}'`
for ip in `cat ip_list`
do
  ssh $user@$ip "mkdir $remote_dir" &>tips
  error_log "文件大批量分发" "ssh创建$remote目录"  "【成功】" "【失败】"
  scp -r $file $user@$ip:$remote_dir/$filename &>tips
  error_log "文件大批量分发" "scp复制$file到$ip:$remote_dir"  "【成功】" "【失败】"
done
}

#==============================
#Function->check_sys
#检查系统状态
#==============================
check_sys()
{
echo ">>>>>>>>>>>>>>>>正在检测系统<<<<<<<<<<<<<<<<<"
if [ ! -f ~/.ssh/known_hosts ] ; then
  echo "正在建立信任关系..."
  ssh-keygen -t rsa -P "" -f ~/.ssh/id_rsa &>tips
  error_log "建立信任关系" "ssh-keygen创建密钥对"  "【成功】" "【失败】"
 for ip in `cat ip_list`
  do
   sshpass -p $root_passwd ssh root@$ip -o StrictHostKeyChecking=no "useradd $user && echo $passwd | passwd $user --stdin" &>tips
   error_log "建立信任关系" "sshpass创建远程用户和设置密码"  "【成功】" "【失败】"
   sshpass -p $passwd ssh $user@$ip -o StrictHostKeyChecking=no "mkdir ~/.ssh" &>tips
   error_log "建立信任关系" "sshpass创建.ssh目录"  "【成功】" "【失败】"
   sshpass -p $passwd scp /home/$user/.ssh/id_rsa.pub $user@$ip:/home/$user/.ssh/authorized_keys &>tips
   error_log "建立信任关系" "sshpass拷贝公钥到远端"  "【成功】" "【失败】"
   sshpass -p $root_passwd ssh root@$ip -o StrictHostKeyChecking=no "chmod 600 /home/$user/.ssh/authorized_keys && chmod 700 /home/$user/.ssh" &>tips
   error_log "建立信任关系" "sshpass更改远程文件权限"  "【成功】" "【失败】"
  done 
else
  echo "已经建立信任关系"
fi
}

#==============================
#Function->Menu
#菜单
#==============================
Menu()
{
clear
echo
echo
echo -e "	===========ssh大批量分发部署系统=========="
echo -e "		(1)登录到WEB服务器"
echo -e "		(2)文件大批量分发"
echo -e "		(0)退出"
echo -n -e "	请输入菜单选项："
}

#==============================
#Function->login_web
#登录web
#==============================
login_web()
{
clear 
echo
echo
echo -e "	============登录到web服务器============"
awk '{print "	"NR"	登录到WEB"NR"	"$0}END{print "	0	退出"}' ip_list
echo -n -e "	一共有以上web服务器，请选择："
read op
ip=`awk -v i=$op '{if(NR==i)print $0}' ip_list`
case $op in
  0)
   ;;
  *)
   if [ "$ip" == "" ] ; then
    echo -n -e "	输入有误，请重新输入"
    sleep 1
    login_web
   else
    ssh $ip
    error_log "登录WEB服务器" "ssh登录到$ip"  "【成功】" "【失败】"
   fi
   ;;
esac
}

#==============================
#Function->Main
#主函数
#==============================
Main()
{
 create_ip_list
 check_sys
while true
do
  Menu
  
  read op
  case $op in
  1)
   login_web
   ;;
  2)
   send_file
   ;;
  0)
   echo -e "	正在退出....."
   exit 1
   ;;
  *)
   echo
   echo "输入选项错误"  
   ;;
  esac
  echo
  echo -n "请输入任意值继续操作"
  read
done
}
Main;

#================global_var文件内容=================
#==========================set global var========
remote_dir="~/recv_file"
user="user500"
passwd="aixocm"
root_passwd="aixocm"
logfile="logfile"