pxecfg&kickstart生成脚本

em tm 00:00:00:00:00:12 10.180.1.12 255.255.255.0 173.45.34.25 255.255.255.225 173.45.34.1

em tm 00:00:00:00:00:21 10.180.1.21 255.255.255.0 10.180.110.21 255.255.255.0 10.180.1.11

eth tm 00:00:00:00:00:22 10.180.1.22 255.255.255.0 10.180.110.22 255.255.255.0 10.180.1.11

eth tm 00:00:00:00:00:23 10.180.1.23 255.255.255.0 10.180.110.23 255.255.255.0 10.180.1.11

eth tm 00:00:00:00:00:24 10.180.1.24 255.255.255.0 10.180.110.24 255.255.255.0 10.180.1.11

eth tm 00:00:00:00:00:25 10.180.1.25 255.255.255.0 10.180.110.25 255.255.255.0 10.180.1.11

#!/usr/bin/env python

# -*- coding: utf-8 -*-

import os, crypt

def generate_pxe_file(os, mac, sitename, pxe_path):

    pxe = '''default menu.c32

prompt 0

timeout 100 

LABEL %s

    MENU DEFAULT

    MENU LABEL %s

    KERNEL %s/vmlinuz

    APPEND initrd=%s/initrd.img ks=http://%s/kickstart/%s ksdevice=link ramdisk_size=102400 console=ttyS1,115200

''' % (os, mac, os, os, sitename, mac)

    filename = pxe_path + '/01-' + '-'.join(mac.split(':'))

    with open(filename, 'w') as f:

        f.write(pxe)

        print 'generate pxe file: %s' % ('01-' + '-'.join(mac.split(':')))

def generate_kickstart_file(os, sitename, rootpw, kickstart_path, dev, prefix, mac, private_ip, private_mask, public_ip, public_mask, default_gw):

    # interface

    if dev == 'em':

        private_interface = '''cat > /etc/sysconfig/network-scripts/ifcfg-%s1 << _EOF_

DEVICE=%s1

ONBOOT=yes

BOOTPROTO=static

IPADDR=%s

NETMASK=%s

_EOF_

''' % (dev, dev, private_ip, private_mask)

        if public_ip != '0' and public_mask !='0':

            public_interface = '''cat > /etc/sysconfig/network-scripts/ifcfg-%s2 << _EOF_

DEVICE=%s2

ONBOOT=yes

BOOTPROTO=static

IPADDR=%s

NETMASK=%s

_EOF_

''' % (dev, dev, public_ip, public_mask)

        else:

            public_interface = ''

    if dev == 'eth':

        private_interface = '''cat > /etc/sysconfig/network-scripts/ifcfg-%s0 << _EOF_

DEVICE=%s0

ONBOOT=yes

BOOTPROTO=static

IPADDR=%s

NETMASK=%s

_EOF_

''' % (dev, dev, private_ip, private_mask)

        if public_ip != '0' and public_mask !='0':

            public_interface = '''cat > /etc/sysconfig/network-scripts/ifcfg-%s1 << _EOF_

DEVICE=%s1

ONBOOT=yes

BOOTPROTO=static

IPADDR=%s

NETMASK=%s

_EOF_

''' % (dev, dev, public_ip, public_mask)

        else:

            public_interface = ''

    # network

    network = '''cat > /etc/sysconfig/network << _EOF_

NETWORKING=yes

HOSTNAME=%s-%s-%s

GATEWAY=%s

_EOF_

''' % (prefix, private_ip.split('.')[2], private_ip.split('.')[3], default_gw)

    # dns

    dns = '''cat > /etc/resolv.conf << _EOF_

nameserver 8.8.8.8

nameserver 8.8.4.4

_EOF_

'''

    kickstart = '''text

keyboard us

timezone Asia/Shanghai

lang en_US.UTF-8

skipx

auth --enableshadow --passalgo=sha512

rootpw --iscrypted %s

zerombr

bootloader --location=mbr --driveorder=sda

part swap --fstype='swap' --ondisk=sda --size=8000

part / --fstype='ext4' --ondisk=sda --size=50000

part /opt --fstype='ext4' --ondisk=sda --size=1 --grow

network --bootproto=dhcp --device=%s --activate

install

url --url='http://%s/%s'

logging level=info

firewall --disabled

selinux --disabled

services --disabled=NetworkManager,ip6tables,iptables,postfix,cpuspeed

services --enabled=network

firstboot --disabled

reboot

%%packages

@base

@core

%%end

%%pre

clearpart --drives=sda --all

/usr/sbin/parted -s /dev/sda mklabel gpt

%%end

%%post

%s

%s

%s

%s

%%end

''' % (rootpw, mac, sitename, os, private_interface, public_interface, network, dns)

    filename = kickstart_path + '/' + mac

    with open(filename, 'w') as f:

        f.write(kickstart)

        print 'generate kickstart file: %s ' % mac 

# main

base_path = '/opt/opmgmt/install'

pxe_path = os.path.join(base_path, 'pxelinux.cfg')

kickstart_path = os.path.join(base_path, 'kickstart')

sitename = 'install.localhost'

hosts = 'hosts.txt'

os = 'centos6'

password = 'password123'

rootpw = crypt.crypt(password, '$6$MySalt')

with open(hosts, 'r') as f:

    for host in f:

        dev, prefix, mac, private_ip, private_mask, public_ip, public_mask, default_gw = host.strip('\n').split(' ')

        generate_pxe_file(os, mac, sitename, pxe_path)

        generate_kickstart_file(os, sitename, rootpw, kickstart_path, dev, prefix, mac, private_ip, private_mask, public_ip, public_mask, default_gw)

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pxecfg&kickstart生成脚本

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