Building CentOS 6.4 images that resize on boot, with oz, libguestfs, and Robert Plestenjak's centos-image-resize script

centos-6.4.ks

install
text
key --skip
keyboard us
lang en_US.UTF-8
skipx
network --device eth0 --bootproto dhcp
rootpw %ROOTPW%
firewall --disabled
authconfig --enableshadow --enablemd5
selinux --enforcing
timezone --utc America/New_York
bootloader --location=mbr --append="console=tty0 console=ttyS0,115200"
zerombr yes
clearpart --all

part / --fstype ext4 --size=1024 --grow
reboot

%packages
@base

%post

centos-6.4.tdl

<template>
	<name>centos-6.4</name>
	<os>
		<name>CentOS-6</name>
		<version>4</version>
		<arch>x86_64</arch>
		<install type='iso'>
			<iso>file:///data/isos/CentOS-6.4-x86_64-bin-DVD1.iso</iso>
		</install>
	</os>
	<description>CentOS 6.4 x86_64</description>
	<repositories>
		<repository name='epel-6'>
			<url>http://download.fedoraproject.org/pub/epel/6/$basearch</url>
			<signed>no</signed>
		</repository>
	</repositories>
	<packages>
		<package name="epel-release" />
		<package name="cloud-utils" />
		<package name="cloud-init" />
	</packages>
	<commands>
		<command name="resize">
cd /tmp
wget https://github.com/flegmatik/centos-image-resize/archive/master.zip -O centos-image-resize-master.zip
unzip centos-image-resize-master.zip
cd centos-image-resize-master
chmod +x init-part
/bin/bash ./centos-image-mod.sh
		</command>
		<command name="openstack-user">
useradd openstack
sed -i  's/^user:.*/user: openstack/' /etc/cloud/cloud.cfg
echo "openstack	ALL=(ALL)	NOPASSWD: ALL" > /etc/sudoers.d/openstack
		</command>
<!-- virt-sysprep bug requires that we manually edit ifcfg-eth0.
        See https://bugzilla.redhat.com/show_bug.cgi?id=811117
        This is fixed in later versions, but broken on precise  -->
<command name="remove-hwaddr">
    sed -i '/^HWADDR/d' /etc/sysconfig/network-scripts/ifcfg-eth0
</command>
	</commands>
</template>