---
- hosts: all
  become: true
  pre_tasks:

    - name: install updates for RHEL distros
      package:
        update_only: yes
        update_cache: yes
      when: ansible_os_family == "RedHat"

    - name: install updates for Debian distros
      package:
        upgrade: dist
        update_cache: yes
      when: ansible_os_family == "Debian"

- hosts: all
  become: true
  tasks:
  
  - name: Install common packages
    package:
      name:
        - htop
        - neofetch

- hosts: web_servers
  become: true
  tasks:

  - name: Install apache on web servers
    package:
      name: 
        - apache2
        - libapache2-mod-php

- hosts: db_servers
  become: true
  tasks:

  - name: install mariadb package on db servers
    package: 
      name: mariadb
      state: latest