---
- name: check k3s version
  shell:
    cmd: "k3s --version | grep k3s | cut -d' ' -f3"
  args:
    executable: /bin/bash
  changed_when: False
  register: installed_k3s_version
  check_mode: False

- name: get k3s
  get_url:
    url: "https://github.com/k3s-io/k3s/releases/download/{{ k3s_version }}/k3s-arm64"
    dest: /usr/local/bin/k3s
    mode: 0755
    owner: root
    group: root
  when: installed_k3s_version.stdout != k3s_version

- name: link k3s
  file:
    src: /usr/local/bin/k3s
    dest: /usr/local/bin/kubernetes
    state: link
...