Added building Ubuntu 20.04 template

ansible/roles/os-linux-prep-templ/files/first_start_ubuntu.sh

@@ -0,0 +1,85 @@
+#!/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