#!/bin/bash

echo "First start VM"
echo "Resize root partition..."
parted /dev/sda resizepart 2 100%
pvresize /dev/sda2
lvextend -y -f -l +100%FREE /dev/vg01/root
resize2fs /dev/vg01/root

echo "Generete new machine-id"
rm /etc/machine-id
systemd-machine-id-setup

echo "Recreate new SSHd keys"
rm -f /etc/ssh/ssh_host_*
dpkg-reconfigure openssh-server --force -f noninteractive

echo "Make right /etc/network/interfaces"
rm -rf /etc/netplan/*

iface=`ip a | grep 'global' | awk {'print $7'}`
ip_add=`ifconfig | grep -E "inet(.*)broadcast" | awk {'print $2'}`
ip_netm=`ifconfig | grep -E "inet(.*)broadcast" | awk {'print $4'}`
ip_gw=`ip r l | grep 'default' | awk {'print $3'}`

echo "
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto $iface
allow-hotplug $iface
iface $iface inet static
        address $ip_add
        netmask $ip_netm
        gateway $ip_gw
" > /etc/network/interfaces


echo "Create hostname and hosts"

ipaddr=$(ip a | grep "scope global" | awk '{print $2}' | sed -r 's/\/.+//')
host_name=$(hostname -f)
host_shot_name=$(hostname -s)

echo $host_name > /etc/hostname
echo "127.0.0.1		localhost" > /etc/hosts
echo "$ipaddr		$host_name		$host_shot_name" >> /etc/hosts


systemctl enable networking.service
systemctl disable systemd-networkd-wait-online.service
systemctl disable systemd-networkd.service

systemctl disable multipathd.service
systemctl disable ModemManager.service

apt -y purge cloud-init unattended-upgrades systemd-resolved snapd netplan.io

rm -rf /etc/netplan/
rm -rf /usr/share/netplan/
rm -rf ~/snap
rm -rf /var/snap
rm -rf /var/lib/snapd

rm -f /etc/network/*.BeforeVMwareCustomization

sed '/^#/d' -i /etc/resolv.conf

sed '/^\/root\/first_start.sh &/d' -i /etc/rc.local

rm /root/first_start.sh

sleep 5

echo "Clean all logs"
find /var/log -type f,l | xargs rm -f

reboot