для применения действий к разным OS и т.д. можно  использовать конструкции block и when получая переменные с машин 
---
 - name : update and prepare centos debian ubuntu 
   hosts: all 
   become : yes 
    
   tasks: 
   - name: get vars 
     debug: var=ansible_os_family 

   - block:
     - name: disable firewalld 
       service:
        name: firewalld 
        enabled : no  
     - name: update system RH
       yum:
        name : '*' 
        state: latest
     - name: selinux disable 
       selinux:
        state: disabled
     - name: reboot system 
       shell: reboot  
     when: ansible_os_family == "RedHat"
   - block:
     - name: disable dvd repo
       apt_repository:
         repo: deb cdrom 
         state: absent
    
    
    
    
    
     - name: update debian 
       apt:
        name: "*" 
        state: latest
        update_cache: yes 
    
     when: ansible_os_family == "Debian"