---
- name: update all servers
  become: true
  hosts: all
  tasks:
  - name: Upgrade the OS (apt)
    apt:
      update_cache: true
      upgrade: dist
    when: ansible_pkg_mgr == 'apt'

  - name: Upgrade the OS (dnf)
    dnf:
      name: '*'
      state: latest
      update_cache: yes
      update_only: yes
    when: ansible_pkg_mgr == 'dnf'