Added bootstrap script for Ubuntu 16.04 LTS and later

roles/ubuntu-bootstrap/defaults/main.yml

+---
+bootstrap_versions: Ubuntu 1[6-9]\|2[0-9]\.
\ No newline at end of file

roles/ubuntu-bootstrap/tasks/main.yml

+---
+#  raw: cat /etc/issue.net | grep '{{ bootstrap_versions }}'
+
+- name: Bootstrap | Check if bootstrap is needed
+  raw: which python
+  register: need_bootstrap
+  ignore_errors: True
+
+- name: Bootstrap | Install python 2.x
+  raw: DEBIAN_FRONTEND=noninteractive apt install -y python-minimal
+  when: need_bootstrap | failed
+
+- set_fact:
+    ansible_python_interpreter: "/usr/bin/python"
\ No newline at end of file

ubuntu-bootstrap.yml

+---
+- hosts: all
+  gather_facts: False
+  roles:
+    - ubuntu-bootstrap