- name: OS update playbook
  hosts: 
    - casa
    - casa-minion-01
    - casa-mini-minion-01
  become: true
  tasks:
    - debug:
        msg:
        - "ansible_distribution {{ hostvars[inventory_hostname].ansible_distribution }}"
        - "major version {{ hostvars[inventory_hostname].ansible_distribution_major_version }}"
        - "version {{ hostvars[inventory_hostname].ansible_distribution_version }}"
        - "version {{ hostvars[inventory_hostname].ansible_kernel }}"
    
    - name: Update all Packages to their latest version
      ansible.builtin.apt:
        update_cache: true
        force_apt_get: true

    - name: Upgrade all packages on servers
      ansible.builtin.apt:
        upgrade: dist 
        force_apt_get: true

    - name: Check if a reboot is needed
      register: reboot_required_file
      stat: path=/var/run/reboot-required

    - name: Reboot server
      reboot:
        msg: "Reboot initiated by Ansible due to kernel updates"
        connect_timeout: 5
        reboot_timeout: 300
        pre_reboot_delay: 0
        post_reboot_delay: 30
        test_command: uptime
      when: reboot_required_file.stat.exists

    - debug:
        msg:
        - "ansible_distribution {{ hostvars[inventory_hostname].ansible_distribution }}"
        - "major version {{ hostvars[inventory_hostname].ansible_distribution_major_version }}"
        - "version {{ hostvars[inventory_hostname].ansible_distribution_version }}"
        - "version {{ hostvars[inventory_hostname].ansible_kernel }}"