---
# Driver installation is out of scope for this role — Ansible only configures
# the container runtime on top of a driver that is already present on the host.
- name: Driver check | Look up nvidia-smi
  ansible.builtin.command: which nvidia-smi
  register: _nvidia_smi
  changed_when: false
  failed_when: false

- name: Driver check | Fail if NVIDIA driver is not installed
  ansible.builtin.fail:
    msg: >-
      nvidia-smi not found on {{ inventory_hostname }}. Install the NVIDIA driver
      manually before running this role — it is not managed by Ansible.
  when: _nvidia_smi.rc != 0