---
- name: Something
  hosts: bigboot
  become: false
  gather_facts: false

  vars:
    bootid_file: /proc/sys/kernel/random/boot_id
    reboot_extra_time: 120

  tasks:
    - name: Capture initial boot ID
      ansible.builtin.slurp:
        src: "{{ bootid_file }}"
      register: pre_reboot_boot_id_raw

    - name: Set pre-reboot boot ID
      ansible.builtin.set_fact:
        pre_reboot_boot_id: "{{ pre_reboot_boot_id_raw['content'] | b64decode | trim }}"

    # - name: Reboot the host
    #   ansible.builtin.command:
    #     cmd: "/usr/sbin/shutdown -r +1 '*** ANSIBLE INITIATED REBOOT ***'"


    # re-write tomorrow with async/poll

    # i dont know what the above was meant to accomplish
    # but perhaps we should create our own '.nologin' file
    # ...may need to be cleaned up post-reboot
    #
    # verify systemd service dependancy also; meaning
    # can we create a service dependant on another
    # and does it auto-start the service it depends on...
    #
    # async/poll was for a block to check the proc file, and continue if id's
    # differ, else sleep (for 1min?) and then try again until success or max
    # polls are reached


    - name: Verify reboot status of host
      ansible.builtin.include_tasks: tasks/check_boot_id.yml

#        - name: Assert that the post-reboot ID differs from the pre-reboot ID
#          ansible.builtin.assert:
#            that: pre_reboot_boot_id != post_reboot_boot_id
#            success_msg: "System rebooted successfully. Boot ID's differ."
#            fail_msg: "System did not reboot. Boot ID's match"

#        - name: Giving the host extra time to complete its reboot
#          ansible.builtin.pause:
#            seconds: "{{ reboot_extra_time }}"


#        - name: Assert that the system has rebooted
#          ansible.builtin.assert:
#            that: pre_reboot_boot_id != post_reboot_boot_id
#            success_msg: "System rebooted successfully. Boot ID's differ."
#            fail_msg: "System did not reboot. Boot ID's match"