Centos7 PXE Server Install Script

PxeCentos7Install.sh # 
# centos7 mirror mount, here Centos7 1511, pxe installation image as 
configured and epel yum centos source before installation # 
# ip card and localip consistent 

localip = " 10.10.0.240 " 
eth_name = ' eth0 ' 
dnsmasq_install ( ) { 
  yum -Y the install dnsmasq
   Music Videos /etc/dnsmasq.conf / etc / dnsmasq.conf.backup 
  dnsmasq_conf = ' interface = ' $ eth_name '
 # bind- the interfaces 
Domain = centos7.lan 
# the DHCP Range - Leases 
DHCP -range = '$eth_name',10.10.0.100,10.10.0.110,255.255.255.0,1h
# PXE
dhcp-boot=pxelinux.0,pxeserver,'$localip'
# Gateway
dhcp-option=3,'$localip'
# DNS
dhcp-option=6,'$localip',114.114.114.114
server=114.114.114.114
# Broadcast Address
dhcp-option=28,10.10.0.255
# NTP Server
dhcp-option=42,0.0.0.0

pxe-prompt="Press F8 for menu.",60
pxe-service=x86PC,"Install CentOS 7 from network server '$localip'", pxelinux
enable-tftp
tftp-root=/var/lib/tftpboot'
  echo "$dnsmasq_conf" > /etc/dnsmasq.conf
}
tftp_pxe_install() {
  yum -y install syslinux
  yum -y install tftp-server
  cp -r /usr/share/syslinux/* /var/lib/tftpboot/
  if [[ ! -d /var/lib/tftpboot/pxelinux.cfg ]]
  then
    mkdir /var/lib/tftpboot/pxelinux.cfg
    touch /var/lib/tftpboot/pxelinux.cfg/default
    default_conf='default menu.c32
prompt 0
timeout 300
ONTIMEOUT local
        
menu title ########## PXE Boot Menu ##########
        
label 1 
menu label ^1)InstallCentOS7 x64 withLocalRepo
kernel centos7/vmlinuz
append initrd=centos7/initrd.img method=ftp://'$localip'/pub devfs=nomount
        
label 2 
menu label ^2)InstallCentOS7 x64 with http://mirror.centos.org Repo
kernel centos7/vmlinuz
append initrd=centos7/initrd.img method=http://mirror.centos.org/centos/7/os/x86_64/ devfs=nomount ip=dhcp 
        
label 3 
menu label ^3)InstallCentOS7 x64 withLocalRepousing VNC
kernel centos7/vmlinuz
append initrd=centos7/initrd.img method=ftp://'$localip'/pub devfs=nomount inst.vnc inst.vncpassword=password
        
label 4 
menu label ^4)Bootfromlocal drive'
    echo "$default_conf" > /var/lib/tftpboot/pxelinux.cfg/default
  fi
}
mount_cd() {
mount|grep '^/dev/sr0'
if [[ $? -eq 0 ]]
then
  echo 'disc is mounted. ' 
The else 
  Mount / dev / SR0 / mnt / &> / dev / null 
  [? [$ -Ne 0]] IF 
  the then 
    COUNT = $ (($ COUNT +. 1)) 
    IF [[$ COUNT 20 is -eq]]; the then 
      echo 'exit timeout'; 
      exit. 8; 
    Fi 
    echo "SR0 no disc, the mount fails, retry in 5 seconds" 
    SLEEP. 5 
    mount_cd 
  the else 
    echo 'disc mount successful. '; 
  Fi 
Fi 
} 
confing_pxeserver () { 
  IF [[-d / var / lib / tftpboot / centos7]!]; The then 
    mkdir / var / lib / tftpboot / centos7 
    CP / mnt / Images / pxeboot / vmlinuz / var / lib / tftpboot / centos7 / 
    CP /mnt/images/pxeboot/initrd.img / var / lib / tftpboot / centos7 /  
  Fi
  yum the install the vsftpd -Y
  if [[ `ls -A /var/ftp/pub/` == "" ]];then
    echo 'copy光盘文件到/var/ftp/pub/ ...';
    cp -r /mnt/* /var/ftp/pub/
    chmod -R 755 /var/ftp/pub
  fi
}
start_service() {
systemctl start dnsmasq
systemctl status dnsmasq
systemctl start vsftpd
systemctl status vsftpd
systemctl enable dnsmasq
systemctl enable vsftpd
}

dnsmasq_install
tftp_pxe_install
mount_cd
confing_pxeserver
start_service