---
- name: Load a variable file based on the OS type, or a default if not found.
  include_vars: "{{ item }}"
  with_first_found:
    - "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_version }}.yml"
    - "{{ ansible_facts.distribution }}.yml"
    - "{{ ansible_facts.os_family }}.yml"
    - "default.yml"