kubespray/roles/container-engine/containerd-common/tasks/main.yml

---
- name: gather os specific variables
  include_vars: "{{ item }}"
  with_first_found:
    - files:
        - "{{ ansible_distribution|lower }}-{{ ansible_distribution_version|lower|replace('/', '_') }}.yml"
        - "{{ ansible_distribution|lower }}-{{ ansible_distribution_release|lower }}-{{ host_architecture }}.yml"
        - "{{ ansible_distribution|lower }}-{{ ansible_distribution_release|lower }}.yml"
        - "{{ ansible_distribution|lower }}-{{ ansible_distribution_major_version|lower|replace('/', '_') }}.yml"
        - "{{ ansible_distribution|lower }}-{{ host_architecture }}.yml"
        - "{{ ansible_distribution|lower }}.yml"
        - "{{ ansible_os_family|lower }}-{{ host_architecture }}.yml"
        - "{{ ansible_os_family|lower }}.yml"
        - defaults.yml
      paths:
        - ../vars
      skip: true
  tags:
    - facts