fix playbook check mode

playbooks/demo_gpu_k8s.yml

@@ -1,4 +1,4 @@
-- hosts: all
+- hosts: all:!ops-1
   become: true
   vars:
     ops_host: "127.0.0.1"

playbooks/roles/vhosts/gpu-k8s/tasks/install_driver.yml

@@ -8,6 +8,7 @@
   args:
     executable: /bin/bash
   become: true
+  when: not ansible_check_mode
 
 - name: Install NVIDIA driver and container runtime
   apt:
@@ -19,3 +20,4 @@
     state: present
     update_cache: yes
   become: true
+  when: not ansible_check_mode