---
- name: Update all system packages
  hosts: all
  become: yes
 
  tasks:
    - name: Update packages to the latest version
      dnf: name="*" state=latest

    - name: Check if a reboot is required
      command:
        cmd: needs-restarting -r
      register: reboot_check
      changed_when: false
      failed_when: reboot_check.rc not in [0, 1]
    
    - name: Reboot the server only if needed
      reboot:
      when: reboot_check.rc == 1