---
- name: Say hi role
  ansible.builtin.debug:
    msg: "Hi."

- name: Debug client_ips
  ansible.builtin.debug:
    msg: "{{ client_ips }}"
  when:
    - client_ips is defined

- name: Debug namehost
  ansible.builtin.debug:
    msg: "{{ namehost }}"
  when:
    - namehost is defined

- name: Debug roles_path
  ansible.builtin.debug:
    var: role_path

# - name: Include rear_restore role for fun
#   ansible.builtin.import_role:
#     name: ../roles/rear_restore

- name: Include rear_restore role for fun
  ansible.builtin.import_role:
    name: "{{ role_path }}/../rear_restore"

...