#!/bin/bash

read -p "请输入您的装机服务器:" ip

read -p "请输入您想要的ip最小值（1-255）：" min

read -p "请输入您想要的ip最大值（1-255）,必须比最小值小：" max

read -p "请输入您的yum源："  yum_source

sub_ip="${ip%.*}"   # 从右边开始删除第一个.及其右边的数据

tftp=/var/lib/tftpboot/

# 创建yum仓库

cat>/etc/yum.repo.s/my_yum.repo <<EOF

[development]

name=my_yum

baseurl=$yum_source

enabled=

gpgcheck=

EOF

# 安装 httpd dhcp tftp-server syslinux

yum -y install httpd syslinux tftp-server dhcp  >/dev/null >/var/log/pxe.error

# 配置镜像文件

if [ ! -d /var/www/html/rhel7  ];then

    mkdir /var/www/html/rhel7

fi

mount /dev/cdrom /var/www/html/rhel7 >/dev/null >/var/log.pxe.error

# 配置资源文件

if [ ! -d /menu  ];then

    mkdir /menu

fi

mount /dev/cdrom /menu >/dev/null >/var/log.pxe.error 

# 配置DHCP

cat>/etc/dhcp/dhcpd.conf <<EOF

subnet ${sub_ip}. netmask 255.255.255.0 {

  range ${sub_ip}.${min} ${sub_ip}.${max};

  option domain-name-servers $ip;

  option routers ${sub_ip}.;

  default-lease-time ;

  max-lease-time ;

  next-server $ip;

  filename "pxelinux.0";

}

EOF

# 配置相关资源

if [ -d ${tftp}pxelinux.cfg ];then

    rm -rf  ${tftp}pxelinux.cfg

fi

mkdir ${tftp}pxelinux.cfg/                # 创建菜单文件

cp /usr/share/syslinux/pxelinux. $tftp   # 网卡引导文件

cp /menu/isolinux/vesamenu.c32 $tftp      # 部署图形模块

cp /menu/isolinux/splash.png $tftp        # 部署背景图片

cp /menu/isolinux/vmlinuz $tftp           # 部署内核

cp /menu/isolinux/initrd.img $tftp        # 部署驱动

# 装机基本设置

cat >/var/www/html/ks.cfg <<EOF

#platform=x86, AMD64, 或 Intel EM64T

#version=DEVEL

# Install OS instead of upgrade

install

# Keyboard layouts

keyboard 'us'

# Root password

rootpw --iscrypted $$/Vr5HpR.$aSGgGZKDOb5j4jp/abcMM0

# Use network installation

url --url="http://$ip/rhel7"

# System language

lang zh_CN

# Firewall configuration

firewall --disabled

# System authorization information

auth  --useshadow  --passalgo=sha512

# Use graphical install

graphical

firstboot --disable

# SELinux configuration

selinux --disabled

# Network information

network  --bootproto=dhcp --device=eth0

# Reboot after installation

reboot

# System timezone

timezone Asia/Shanghai

# System bootloader configuration

bootloader --location=mbr

# Clear the Master Boot Record

zerombr

# Partition clearing information

clearpart --all --initlabel

# Disk partitioning information

part / --fstype="xfs" --grow --size=

%post --interpreter=/bin/bash

useradd lily

echo 'redhat' | passwd --stdin lily

%end

%packages

@base

%end

EOF

# 菜单设置

cat >${tftp}/pxelinux.cfg/default <<EOF

default vesamenu.c32

timeout

#display boot.msg

prompt vesamenu.c32

label linux

  menu label ^Install RHEL7

  menu default

  kernel vmlinuz

  append initrd=initrd.img ks=http://$ip/ks.cfg

EOF

#启动服务

systemctl restart dhcpd

systemctl restart tftp

systemctl restart httpd