#!/bin/bash

#Auth：Darius

#自动化安装dhcp服务

#"$1"为测试IP，用来查看IP段是否能通

eno=`ifconfig|awk '{print $1}'|head -1|awk -F ":" '{print $1}'`

file=/etc/sysconfig/network-scripts/ifcfg-$eno

file1=/etc/dhcp/dhcpd.conf

dir=/etc/yum.repos.d

#ip地址设置

ping -c 4 -i 0.1 -W 2 $1 &>/dev/null

if [ $? -ne 0 ];then

echo -e "DEVICE=$eno\nTYPE=Ethernet\nONBOOT=yes\nBOOTPROTO=static" >$file

read -p "请输入ip地址": ip

read -p "请输入子网掩码": nt

read -p "请输入网关": gw

echo "IPADDR=$ip" >> $file

echo "NETMASK=$nt" >>$file

echo "GATEWAY=$gw" >>$file

if [ $? -eq 0 ]

then

[ $? -eq 0 ] && echo "IP地址配置成功"

else

echo "IP地址配置失败"

fi

else

echo "网络测试成功"

fi

#构建yum本地仓库

mkdir /media/cdrom

mount /dev/sr0 /media/cdrom/

#设置光盘自动挂载

echo "/dev/sr0 /media/cdrom iso9660 defaults 0 0" >> /etc/fstab

mkdir $dir/bak

mv $dir/C* $dir/bak/

echo -e "[yum]\nname=yum\nbaseurl=file:///media/cdrom\ngpgcheck=0\nenabled=1" >$dir/yum.repo

yum clean all &>/dev/null

yum makecache &>/dev/null

echo "yum仓库构建完成"

#检测并安装dhcp服务

yum install -y dhcp &>/dev/null

echo "dhcp服务安装成功"

cat /usr/share/doc/dhcp*/dhcpd.conf.sample >$file1

[ $? -eq 0 ] && echo "模板复制成功"

cp $file1 /etc/dhcp/dhcpd.conf.bak

echo -e "subnet 192.168.1.0 netmask 255.255.255.0{\nrange 192.168.1.2 192.168.1.100;\noption routers 192.168.1.1;\n}" >>$file1

echo "文件配置完成"

service dhcpd start &>/dev/null

chkconfig dhcpd on &>/dev/null

[ $? -eq 0 ] && echo "dhcp服务已启动"