How to find ansible distribution using ansible playbook?

Ansible tutorial for beginners – How to find ansible distribution using ansible playbook?

Create a ansible config file as ansible.cfg file in your project directory:

[defaults]  
inventory = hosts

Create a hosts file as hosts in the project directory

[webservers]
ansnode1 ansible_ssh_host=192.168.56.202 ansible_python_interpreter=/usr/bin/python   
ansnode2 ansible_ssh_host=192.168.56.203 ansible_python_interpreter=/usr/bin/python   

[webservers:vars]
ansible_port=22  
http_port=8080  


[dbservers]
ansnode3 ansible_ssh_host=192.168.56.204 ansible_python_interpreter=/usr/bin/python    
ansnode4 ansible_ssh_host=192.168.56.205 ansible_python_interpreter=/usr/bin/python   

[dev:children]
webservers  
dbservers 

Create a file named called as set_fact_modules.yml in your project directory

---
# YAML documents begin with the document separator ---
# the minus in YAML this indicates a list item. The playbook  
# contains a list of plays, with each play being a dictionary
# Target: where our play will run and options it will run with
- hosts: all
# Task: the list of tasks that will be executed within the play,
# this section can also be used for pre and post tasks
  tasks:
    - name: set a fact
      set_fact:
        our_fact: Ansible Rocks!
        ansible_distribution: "{{ ansible_os_family | upper }}"
    - name: show custom fact
      debug:
        msg: "{{ our_fact }}" 
    - name: show ansible_distribution
      debug:
        msg: "{{ ansible_distribution }}" 
# three dots indicate the end of a YAML document
...

Source Code Available in Github: https://www.github.com/tamiltutera