AUTO INSTALL ZABBIX-AGENT

#!/bin/bash
# Author: kernal
# Date:2014-03-25
# Filename: autoinstall_zabbixclient.sh
# auto install & config zabbix_agent_client

find /etc/yum.repos.d/ -name epel.repo
if [ $? -eq 0 ]; then
yum –enablerepo=epel -y install zabbix-agent 
else 
rpm -ivh
fi
input_fun()
{
    OUTPUT_VAR=$1   //$1 就是Input Host ip or name
    INPUT_VAR=""   //定义变量INPUT_VAR起始值为空
        while [ -z $INPUT_VAR ]; do   //判断变量INPUT_VAR是否为空
            read -p "$OUTPUT_VAR" INPUT_VAR  //进入交互式，继续输入ip地址，知道输出内容后退出此次循环
        done
    echo $INPUT_VAR
}
IPADDR=$( input_fun "Input Host ip [192.168.1.188 or ]: ")   //定义变量IPADDR
LOCAL_HOST_NAME=$( input_fun "Input Host Name [yourhostname]: ")              //定义主机名称

# Edit file 
sed -i '82 s/Server=127.0.0.1/Server='$IPADDR'/' /etc/zabbix/zabbix_agentd.conf

# Edit Hostname
sed -i '105 s/Hostname=Zabbix server/Hostname='$LOCAL_HOST_NAME'/' /etc/zabbix/zabbix_agentd.conf

if [ $? -eq 0 ];then
    echo "successful"
fi
/etc/init.d/zabbix-agent start
chkconfig zabbix-agent on