--- 

- name: Set default become method
  ansible.builtin.set_fact:
    guest_become_method: "sudo"

- name: Prompt for become method with immediate validation
  ansible.builtin.pause:
    prompt: "Choose become method, available: sudo, su, pbrun, pfexec, doas, dzdo, ksu, runas, machinectl [sudo]"
  register: become_method_result
  until: >
    become_method_result.user_input | length == 0 or
    (
      become_method_result.user_input in ['sudo', 'su', 'pbrun', 'pfexec', 'doas', 'dzdo', 'ksu', 'runas', 'machinectl'] 
    )
  retries: 2
  delay: 0

- name: Use user input only if provided, otherwise keep the default
  ansible.builtin.set_fact:
    guest_become_method: "{{ become_method_result.user_input }}"
  when: become_method_result.user_input | length > 0