setup_environment.yml

# ping the host from controler . Install python3 and dnf through adhoc commands . ansible all -m apt -a "name=python3 state=latest" --become --ask-become-pass, ansible all -m apt -a "name=dnf state=latest" --become --ask-become-pass .

# ansible-playbook -i inventory/hosts setup_environment.yml -K
---
- name: Setup Environment on Ubuntu Servers
  hosts: all
  become: yes
  tasks:
    - name: Update package cache
      apt:
        update_cache: yes

    - name: Upgrade all packages
      apt:
        upgrade: dist

    - name: Add host entries to /etc/hosts
      lineinfile:
        path: /etc/hosts
        line: "{{ item }}"
      with_items:
        - "172.17.2.128    master"
        - "172.17.2.129    host1"
        - "172.17.2.130    host2"
        - "172.17.2.131    host3"
        - "172.17.2.132    host4"
        - "172.17.2.133    host5"
        - "172.17.2.134    host6"
        - "172.17.2.135    host7"