#!/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"
if [ -z "$(cat /etc/network/interfaces | grep "inet dhcp")" ]; then
    # No DHCP
    iface=$(cat /etc/network/interfaces | grep "iface" | sed '/loopback/d' | awk '{print $2}')
    ip_add=$(cat /etc/network/interfaces | grep "address" | awk '{print $2}')
    ip_netm=$(cat /etc/network/interfaces | grep "netmask" | awk '{print $2}')
    ip_gw=$(cat /etc/network/interfaces | grep "gateway" | awk '{print $2}')
    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

else
    # Yes DHCP
    iface=$(cat /etc/network/interfaces | grep "iface" | sed '/loopback/d' | awk '{print $2}')

    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 dhcp
" > /etc/network/interfaces

fi
rm -f /etc/network/*.BeforeVMwareCustomization

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