#!/bin/bash  
# by wu 2012-07-28  
# RHEL6 unattended deployment,用于RHEL6无人值守搭建.v1.0   
# 有不足的地方还请见谅  
  
#搭建yum  
Yum_build()  
{  
    yum clean all &>/dev/null  
    num_list=$(yum list | wc -l)  
    yum clean all &>/dev/null  
  
    if [[ $num_list < 2000 ]];then  
  
    mount /dev/cdrom /mnt  
        if [ -d /etc/yum.repos.d/bak ];then  
            mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/bak  
        else  
            mkdir /etc/yum.repos.d/bak  
            mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/bak  
        fi    
  
cat << EOF > /etc/yum.repos.d/base.repo  
[base]  
name=base  
baseurl=file:///mnt  
enabled=1  
gpgcheck=0  
EOF  
    else  
        echo "yum is ok!"  
    fi  
}  
  
Check_rpm()  
{  
    Packages=(dhcp tftp-server vsftpd syslinux)  
    for i in ${Packages[@]}  
    do  
        if ! rpm -q $i &> /dev/null;then  
             yum install $i -y &>/dev/null  
        fi  
    done  
}  
  
#dhcp服务搭建以及网络安装引导文件  
dhcp_build()  
{  
    read -p "输入所在subnet、netmask、broadcast、gateway: " subnet netmask broadcast gateway   
    read -p "输入next-server地址: " next_server   
    read -p "提供IP的范围start_ip end_ip: " start_ip end_ip  
  
cat << EOF >/etc/dhcp/dhcpd.conf  
subnet $subnet netmask $netmask {  
  range $start_ip $end_ip;  
  option routers $gateway;  
  option broadcast-address $broadcast;  
  default-lease-time 600;  
  max-lease-time 7200;  
  filename "pxelinux.0";  
  next-server $next_server;  
}  
EOF  
  
cat << EOF >/var/lib/tftpboot/pxelinux.cfg/default  
default vesamenu.c32  
#prompt 1  
timeout 600  
  
display boot.msg  
  
menu background splash.jpg  
menu title Welcome to Red Hat Enterprise Linux 6.2!  
menu color border 0 #ffffffff #00000000  
menu color sel 7 #ffffffff #ff000000  
menu color title 0 #ffffffff #00000000  
menu color tabmsg 0 #ffffffff #00000000  
menu color unsel 0 #ffffffff #00000000  
menu color hotsel 0 #ff000000 #ffffffff  
menu color hotkey 7 #ffffffff #ff000000  
menu color scrollbar 0 #ffffffff #00000000  
  
label linux  
  menu label ^Install or upgrade an existing system  
  menu default  
  kernel vmlinuz  
  append ks=ftp://$next_server/ks.cfg initrd=initrd.img  
EOF  
}  
  
#无人值守配置文件  
ks_cfg()  
{  
read -p "请输入无人值守ftp地址: " ftp  
cat <<EOF >/var/ftp/ks.cfg  
firewall --disabled  
install  
url --url="ftp://$ftp/iso"  
rootpw --iscrypted $1$A9aGh0yl$ahDdo0eAvQFAplXTeBkX//  
auth  --useshadow  --passalgo=sha512  
text  
firstboot --disable  
keyboard us  
lang zh_CN  
selinux --disabled  
logging --level=info  
reboot  
timezone  Asia/Shanghai  
network --bootproto=dhcp --device=eth0 --onboot=on  
bootloader --location=mbr  
zerombr  
clearpart --all --initlabel   
  
part /boot --asprimary --fstype="ext4" --size=200  
part swap --asprimary --fstype="swap" --size=2048  
part / --asprimary --fstype="ext4" --size=100000  
  
%packages  
@additional-devel  
@backup-client  
@base  
@basic-desktop  
@chinese-support  
@client-mgmt-tools  
@compat-libraries  
@console-internet  
@debugging  
@desktop-debugging  
@desktop-platform  
@desktop-platform-devel  
@development  
@dial-up  
@directory-client  
@eclipse  
@emacs  
@fonts  
@general-desktop  
@graphical-admin-tools  
@graphics  
@hardware-monitoring  
@infiniband  
@input-methods  
@internet-browser  
@java-platform  
@kde-desktop  
@large-systems  
@legacy-unix  
@legacy-x  
@mainframe-access  
@network-file-system-client  
@network-tools  
@performance  
@perl-runtime  
@remote-desktop-clients  
@scientific  
@security-tools  
@server-platform-devel  
@smart-card  
@storage-client-fcoe  
@storage-client-iscsi  
@storage-client-multipath  
@system-management  
@system-management-messaging-client  
@system-management-messaging-server  
@system-management-snmp  
@system-management-wbem  
@technical-writing  
@tex  
@x11  
hmaccalc  
%end  
EOF  
}  
  
#调用函数  
Yum_build  
Check_rpm  
  
mkdir /var/ftp/iso &>/dev/null  
mount /dev/cdrom /var/ftp/iso &>/dev/null  
  
#拷贝系统引导文件  
cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/  
cp  -r /var/ftp/iso/isolinux/* /var/lib/tftpboot/  
mkdir /var/lib/tftpboot/pxelinux.cfg &>/dev/null  
mv /var/lib/tftpboot/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default  
  
#调用函数  
dhcp_build  
ks_cfg  
  
#设置开机启动  
chkconfig tftp on   
chkconfig dhcpd on  
chkconfig vsftpd on  
  
#刷新服务  
service xinetd restart &>/dev/null  
service dhcpd restart &>/dev/null  
service vsftpd restart &>/dev/null