shell-project/os/get-pxe.sh

#!/usr/bin/bash

color(){
    unset c
    declare -A c=([Error]=31 [Success]=32 [Warning]=33 [Info]=34)
    #echo -e "\033[${c[$1]}m[`date +%T`]($1)  $2\033[0m"
    printf "\033[${c[$1]}m%-10s%-10s %-30s\033[0m\n" "[`date +%T`]" "($1)" "$2"
    sleep 0.5
}

# pxe服务器初始化
color Info "pxe服务器初始化"
curl -s -L https://download.beyourself.org.cn/shell-project/os/get-os-init.sh | sh


# 安装dhcp、tftp、tftp-server、syslinux、wget、vsftpd、pykickstart
color Info "安装pxe服务依赖"
yum install -y dhcp tftp tftp-server syslinux wget vsftpd pykickstart

# 配置dhcp
color Info "配置dhcp"
ipaddr=$(ip -4 -f inet a show dev ens33 | awk '/inet/{print $2}')
gateway=$(ip r show dev ens33 | awk '/default via/{print $3}')
cat > /etc/dhcp/dhcpd.conf << EOF
ddns-update-style interim;
ignore client-updates;
authoritative;
allow booting;
allow bootp;
allow unknown-clients;
 
# A slightly different configuration for an internal subnet.
 subnet ${ipaddr%.*}.0 netmask 255.255.255.0 
{
   range ${ipaddr%.*}.100 ${ipaddr%.*}.200;
   option domain-name-servers ${gateway};
   option domain-name "server1.example.com";
   option routers ${gateway};
   option broadcast-address ${ipaddr%.*}.255;
   default-lease-time 600;
   max-lease-time 7200;
 
   # PXE SERVER IP
   next-server ${ipaddr%/*};     # DHCP server ip
   filename "pxelinux.0";
 }
EOF

# 配置tftp
color Info "配置tftp"
cat > /etc/xinetd.d/tftp << EOF
service tftp
{
     socket_type          = dgram
     protocol                = udp
     wait                      = yes
     user                    = root
     server                  = /usr/sbin/in.tftpd
     server_args             = -s /tftpboot
     disable                 = no
     per_source              = 11
     cps                     = 100 2
     flags                   = IPv4
 }
EOF

# 配置vsftpd
color Info "配置vsftpd"
cp /usr/share/syslinux/{pxelinux.0,menu.c32,memdisk,mboot.c32,chain.c32} /var/lib/tftpboot/
mkdir /var/lib/tftpboot/pxelinux.cfg
mkdir /var/lib/tftpboot/netboot
mount /dev/cdrom /mnt
cp -rvf /mnt/* /var/ftp/pub

cp /var/ftp/pub/images/pxeboot/vmlinuz /var/lib/tftpboot/netboot/
cp /var/ftp/pub/images/pxeboot/initrd.img /var/lib/tftpboot/netboot/

cat > /var/ftp/pub/ks.cfg <<EOF
#platform=x86, AMD64, or Intel EM64T
 #version=DEVEL
 # Firewall configuration
 firewall --disabled
 # Install OS instead of upgrade
 install
 # Use NFS installation media
 url --url="ftp://${ipaddr%/*}/pub/"
 rootpw --plaintext 123456
#root的密码设为123456
 # Use graphical install
 graphical
 firstboot disable
 # System keyboard
 keyboard us
 # System language
 lang en_US
 # SELinux configuration
 selinux disabled
 # Installation logging level
 logging level=info
# System timezone
 timezone Asia/Shanghai
 # System bootloader configuration
 bootloader location=mbr
 clearpart --all --initlabel
 part swap --asprimary --fstype="swap" --size=1024
 part /boot --fstype xfs --size=200
 part pv.01 --size=1 --grow
 volgroup rootvg01 pv.01
 logvol / --fstype xfs --name=lv01 --vgname=rootvg01 --size=1 --grow
 reboot

%packages
 @core
 wget
 lsof
 net-tools
 vim
%end

%post
sed -i 's/#UseDNS.*/UseDNS=no/g' /etc/ssh/sshd_config
echo "curl -s -L https://download.beyourself.org.cn/shell-project/os/get-os-init.sh | sh" >> /etc/rc.local
chmod a+x /etc/rc.local
 #yum install -y python3 python3-devel gcc
 #curl -s -L https://download.beyourself.org.cn/python-project/os/jumpserver-register.py -o /opt/jumpserver-register.py
 #pip3 install requests  httpsig -i https://mirrors.aliyun.com/pypi/simple
 #python3 /opt/jumpserver-register.py \`ip -4 -f inet a show dev ens33 | awk '/inet/{print $2}' | cut -d'/' -f 1\` 192.168.96.180 47849e56-81b5-4fe6-a7d4-7d7578abfc32 ab17fa93-8f4f-4547-802f-be81a6197937 d6638212-8896-4596-9b30-ec0e5aa5905c 9ead5ec2-ba29-4b0a-b4d1-75657eec4306

%end
EOF

# 配置启动项
color Info "配置启动项"
cat >/var/lib/tftpboot/pxelinux.cfg/default <<EOF
default menu.c32
prompt 0
timeout 30
MENU TITLE Togogo.net Linux Training

LABEL centos7_x64
MENU LABEL CentOS 7 X64 for newrain
KERNEL /netboot/vmlinuz
APPEND  initrd=/netboot/initrd.img inst.repo=ftp://${ipaddr%/*}/pub ks=ftp://${ipaddr%/*}/pub/ks.cfg
EOF

# 启动服务
color Info "启动服务"
systemctl enable dhcpd vsftpd tftp
systemctl restart dhcpd vsftpd tftp