---
- name: Something
  hosts: temp
  become: true
  gather_facts: false

  vars:
    file_name: /boot/ansible.ini
    file_contents: |
      Hello world - reboot trigger

  tasks:
    - name: Set file contents
      ansible.builtin.copy:
        dest: /boot/ansible.ini
        owner: root
        group: root
        mode: "0600"
        content: "{{ file_contents }}"
      register: r_touch_file

    - name: Debug r_touch_file
      ansible.builtin.debug:
        var: r_touch_file

    - name: Reboot host if file changes # noqa: no-handler
      ansible.builtin.import_role:
        name: verified_reboot
      when:
        - r_touch_file['changed'] | bool