fix: post reboot delay to avoid too-early continue

it seems sometime reboot fails as Ansible continue playbook right after reboot - seemingly because the test command is run too early and Ansible thinks reboot worked, whereas it has not started yet, causing reboot to hang or other task to continue.

ansible/roles/nvidia-driver/tasks/driver.yml

@@ -10,6 +10,7 @@
 - name: Reboot after nouveau driver blacklist update
   when: nvidia_nouveau_driver_blacklist.changed
   reboot:
+    post_reboot_delay: 10
 
 # NVIDIA driver install require gcc and make
 # and that gcc version matches the one used to compile kernel
@@ -28,6 +29,7 @@
 - name: Reboot after previous install method package removal
   when: previous_install_method_package_remove.changed
   reboot:
+    post_reboot_delay: 10  
 
 - name: install driver required packages
   apt:
@@ -114,3 +116,4 @@
 - name: Reboot after dotrun driver install
   when: nvidia_driver_version != nvidia_driver_dotrun_install_version
   reboot:
+    post_reboot_delay: 10

ansible/roles/nvidia-driver/tasks/main.yml

@@ -29,6 +29,7 @@
 
 - name: reboot after old driver package removal
   reboot:
+    post_reboot_delay: 10
   when: install_driver.changed
 
 # required on some system to create /dev/nvidia-caps* automatically, see https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#device-node-verification
@@ -86,4 +87,5 @@
 
 - name: reboot after initramfs or NVIDIA devices script update
   reboot:
+    post_reboot_delay: 10
   when: nvidia_driver_module_file_result.changed or nvidia_dev_systemd_unit.changed or nvidia_dev_script.changed