---
- name: Label | Check kubeconfig exists
  ansible.builtin.stat:
    path: "{{ gpu_kubeconfig }}"
  register: _kubeconfig_gpu

- name: Label | Apply node_labels to each GPU worker
  ansible.builtin.command:
    argv: "{{ ['kubectl', 'label', 'node', item, '--overwrite'] + (hostvars[item].node_labels.items() | map('join', '=') | list) }}"
  environment:
    KUBECONFIG: "{{ gpu_kubeconfig }}"
    PATH: "/usr/local/bin:/usr/bin:/bin"
  loop: "{{ groups['gpu_workers'] | default([]) }}"
  when:
    - _kubeconfig_gpu.stat.exists
    - hostvars[item].node_labels | default({}) | length > 0
  register: _label
  changed_when: "'labeled' in _label.stdout"
  failed_when: _label.rc != 0