################################# Install mode #################################

# Install Linux instead of upgrade
install

# Graphical install mode with VNC
vnc

################################# Network setup ################################

# By default, use DHCP
network --bootproto=dhcp --device=eth0

################################# Repositories #################################

# Base URL of CentOS 6 repository, should be adapted regarding geographical location
url --url=http://ftp.heanet.ie/pub/centos/6/os/x86_64/

# CentOS updates repository
repo --name=updates --mirrorlist=http://mirrorlist.centos.org/?release=6&arch=x86_64&repo=updates

# Epel repository containing some ComodIT dependencies
repo --name=epel --mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=x86_64

########################## System configuration ################################

# Do not configure the X Window System
skipx

# Set system language
lang en_US

# Set keyboard layout
keyboard us

# Set time zone
timezone --utc Etc/UTC

# Set root password
rootpw --iscrypted $1$nRsAkzCe$R75MFWSa7Uqe/1GFRRDre1

# Request reboot after installation
reboot

# Do not run the Setup Agent on first boot
firstboot --disabled

# Firewall configuration
firewall --disabled

# SELinux configuration
selinux --permissive

# Configure the logging level
logging --level=info

# System authorization information
authconfig --enableshadow --passalgo=sha512

# Enable necessary services.
services --enabled="acpid"

############################# Disk partitioning ################################

# System bootloader configuration
bootloader --location=mbr

# Disk partitioning information
part / --onpart=/dev/xvde1
part swap --onpart=/dev/xvde2

############################### Packages #######################################

%packages

@Base
epel-release
cloud-init

######################### Pre-install script ##################################

%pre

REAL_DISK=/dev/xvde

# Clear the MBR and reset partition table
dd if=/dev/zero of=$REAL_DISK bs=512 count=1
parted -s $REAL_DISK mklabel msdos

TOTAL=`parted -s $REAL_DISK unit mb print free | grep $REAL_DISK | awk '{print $3}' | cut -d "M" -f1`

# Calculate swap partition start point
let SWAP_START=$TOTAL-512

# Create partitions
parted -s $REAL_DISK mkpart primary 0 $SWAP_START
parted -s $REAL_DISK mkpart primary $SWAP_START $TOTAL

######################### Post-install script ##################################

%post

# Create ec2-user user
/usr/sbin/useradd ec2-user
/bin/echo -e 'ec2-user\tALL=(ALL)\tNOPASSWD: ALL' >> /etc/sudoers

# Configure cloud-init
cat <<EOF > /etc/cloud/cloud.cfg
user: ec2-user
disable_root: 0
ssh_pwauth: 1

cc_ready_cmd: ['/bin/true']
locale_configfile: /etc/sysconfig/i18n
mount_default_fields: [~, ~, 'auto', 'defaults,nofail', '0', '2']
ssh_deletekeys: 0
ssh_genkeytypes: ~
ssh_svcname: sshd
syslog_fix_perms: ~

cloud_init_modules:
- set_hostname
- rsyslog
- ssh

cloud_config_modules:
- mounts
- ssh-import-id
- locale
- set-passwords
- timezone
- disable-ec2-metadata

cloud_final_modules:
- keys-to-console
- phone-home
- final-message

# vim:syntax=yaml
EOF