---
- name: Upgrade all apt packages
  hosts: ubuntu
  become: yes
  tasks:
    - name: Update apt cache
      ansible.builtin.apt:
        update_cache: yes
        cache_valid_time: 3600

    - name: Upgrade all apt packages
      ansible.builtin.apt:
        upgrade: dist
      environment:
        DEBIAN_FRONTEND: noninteractive

    - name: Autoremove unused packages
      ansible.builtin.apt:
        autoremove: yes

    - name: Check if a reboot is required
      ansible.builtin.stat:
        path: /var/run/reboot-required
      register: reboot_required_file

    - name: Display reboot message
      ansible.builtin.debug:
        msg: "A reboot is required to apply the latest updates."
      when: reboot_required_file.stat.exists