---
- name: "Update and upgrade system packages"
  hosts: all

  vars_files:
    - vars/ports.yml
    - vars/secrets.yml

  tasks:
    - name: Perform an upgrade of packages
      ansible.builtin.apt:
        upgrade: "yes"
        update_cache: true

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

    - name: Reboot the server (if required)
      ansible.builtin.reboot:
      when: reboot_required_file.stat.exists

    - name: Remove dependencies that are no longer required
      ansible.builtin.apt:
        autoremove: true

    - name: Check if Docker is available
      ansible.builtin.stat:
        path: /usr/bin/docker
      register: docker_exists

    - name: Clean up unnecessary Docker data
      ansible.builtin.command:
        cmd: docker system prune --all --force
      register: docker_prune_result
      when: docker_exists.stat.exists
      failed_when:
        - docker_prune_result.rc is defined
        - docker_prune_result.rc != 0
      changed_when: "'Total reclaimed space' in docker_prune_result.stdout"