#!/usr/bin/env bash 

function check_lock() {
if [ -e "/var/lock/vz-create.lock" ]; then
	echo "Lock file detected, euthanizing self."
	exit
else
	touch /var/lock/vz-create.lock
fi
}

function create_vg() {
	echo "Creating logical volume for $NAME"
	lvcreate -L 20G -n $NAME my_volume_group
	if [ $? != "0" ]
	then
		echo
		echo "Volume Group already exists!"
		echo "You must delete this host or use a different name before continuing."
		echo
		exit
	else
		echo "Formatting volume group, please wait."
		mkfs -t ext3 -q /dev/my_volume_group/$NAME
		echo "Mounting..."
		mount -t ext3 /dev/my_volume_group/$NAME /mnt
	fi	
}

function get_data() {
echo -n "What is the host name? "
read NAME

echo -n "IP Address? "
read OLDIP

echo -n "Netmask? "
read NETMASK

echo -n "Gateway? "
read GATEWAY

echo -n "Root Password? "
read ROOTPW
}

function copy_template() {
echo "Extracting template data..."
tar xjpvf /usr/src/centos4-cpanel-template.tar.bz2 -C /mnt
}

function create_swap() {
echo "Creating swap file..."
dd if=/dev/zero of=/xen/swap/${NAME}.swap bs=1k seek=512k count=1
mkswap /xen/swap/${NAME}.swap
}

check_lock
get_data
create_vg
create_swap
copy_template

echo "Creating config file..."
cat << EOF > /etc/xen/auto/${NAME}.cfg
kernel = "/boot/xenkernel"
memory = 512
name = "${NAME}"
vif = [ '' ]
dhcp = "off"
disk = ['phy:my_volume_group/${NAME},sda1,w', 'tap:aio:/xen/swap/${NAME}.swap,sda2,w']
root = "/dev/sda1 ro"
EOF

echo "Applying network config..."
cat << EOF > /mnt/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
IPADDR=$OLDIP
NETMASK=$NETMASK
GATEWAY=$GATEWAY
ONBOOT=yes
TYPE=Ethernet
EOF

cat << EOF > /mnt/etc/sysconfig/network
NETWORKING=yes
HOSTNAME=$NAME
EOF

# Create MySQL config file
# cp /mnt/usr/share/mysql/my-small.cnf /mnt/etc/my.cnf

# Change Cpanel Settings
#echo maildir=0 >> /var/cpanel/cpanel.config
#echo mysqloldpass=1 >> /var/cpanel/cpanel.config

# Set root password
echo "Setting root password:"
/scripts/xen/set-password.py $ROOTPW

# Fix hosts file
cat << EOF > /mnt/etc/hosts
127.0.0.1       localhost
$IPADDR         $NAME host
EOF

echo "All done, unmounting drive."
umount /mnt

rm -fv /var/lock/vz-create.lock

echo $NAME >> /etc/backup/backup.list

echo "Starting account, please wait."
count="5"
min="0"
while [ $count != $min ]; do count=`expr $count - 1`
        echo -n "$count..."
        sleep 1
done

xm create /etc/xen/auto/${NAME}.cfg