#!/bin/bash
#
# Debian based script after the VM deployment
# (C) by Mr.Zsolt

# Input variables
HOSTNAME=$1
DOMAINSUFFIX=$2
IP=$3
GATEWAY=$4
NEWPASS=$5

# Change hostname
echo $HOSTNAME > /etc/hostname

# Change domain
sed -i '/Debian-template/c\'"$IP"'\t'"$DOMAINSUFFIX"'\t'"$HOSTNAME"'' /etc/hosts

# Make the interfaces file
echo "# This file describes the network interfaces available on your system" > /etc/network/interfaces
echo "# and how to activate them. For more information, see interfaces(5)." >> /etc/network/interfaces
echo "" >> /etc/network/interfaces
echo "# The loopback network interface" >> /etc/network/interfaces
echo "auto lo" >> /etc/network/interfaces
echo "iface lo inet loopback" >> /etc/network/interfaces
echo "" >> /etc/network/interfaces
echo "allow-hotplug eth0" >> /etc/network/interfaces
echo "iface eth0 inet static" >> /etc/network/interfaces
echo "  address $IP" >> /etc/network/interfaces
echo "  netmask 255.255.255.0" >> /etc/network/interfaces
echo "  gateway $GATEWAY" >> /etc/network/interfaces

# Change root password
usermod --password $(echo $NEWPASS | openssl passwd -1 -stdin) root

# Remove myself
rm -rf /root/customization.sh

# Reboot when done
reboot