简单的SSH免密码验证批量分发脚本

[zhangly@CN-BJ-720-1-Hadoop-Master script]$ cat ssh_key_v1.5.sh 
#!/bin/bash
#Date:2013-08-29
#Author:ZhangLuYa
#Version 1.5
  
   #define var
   work="/work/script"
   ip_list="${work}/ip_all.txt"
   if [ ! -d ${work} ];then
   mkdir -p ${work}
   echo "Dir ${work} is created!"
   fi  

   #CHECK USER
   is_root=`id |awk '{print $1}'|awk -F'[=(]' '{print $2}'`
   if [ $is_root = 0 ]
   then
   echo "Current user is `whoami`!"
   Current_user="/root/"
   echo -e "\033[32;49;1m---------------------------------------------------------------------\033[39;49;0m"
   else
   echo "Current user is `whoami`!"
   Current_user="/home/`/usr/bin/whoami`"
   echo $Current
   echo -e "\033[32;49;1m---------------------------------------------------------------------\033[39;49;0m"
   #exit 1
   fi

   #Check ssh_key
   cd ${Current_user}
   SSH_Key=`/bin/ls -al|grep '.ssh$'|wc -l`

   if [ ${SSH_Key} -eq 1 ]
   then
   echo "ssh_key is exist!!!......"
   echo -e "\033[32;49;1m---------------------------------------------------------------------\033[39;49;0m"
   #sleep 5
   #/bin/mv .ssh /tmp/.ssh$(date +%Y-%m-%d-%H-%M)
   #echo|/usr/bin/ssh-keygen -t dsa
   else
   echo "ssh_key is not exist,start create ssh_key"
   echo -e "\033[32;49;1m---------------------------------------------------------------------\033[39;49;0m"
   echo|/usr/bin/ssh-keygen -t dsa
   fi

   #Send ssh_key to client
   if [ ! -e ${ip_list} ];then
   touch ${ip_list}
   echo "Please input ip address,then go on......."
   echo -e "\033[32;49;1m---------------------------------------------------------------------\033[39;49;0m"
   exit 1
   fi
   
   is_ip=`nl ${ip_list}|wc -l`
   if [ ${is_ip} -eq 0 ]
   then
   echo "${ip_list} is empty!"
   exit 1
   fi

   Cur_u=`/usr/bin/whoami`
   while read Remote_host
   do
   ssh-copy-id -i .ssh/id_dsa.pub "-p 51022 ${Cur_u}@${Remote_host}"
   echo "$Remote_host is send ok!!!"
   echo -e "\033[32;49;1m---------------------------------------------------------------------\033[39;49;0m"
   done < ${ip_list}

 

 执行效果图如下：