kubelet plugin: Improve nvidia-smi search.

Signed-off-by: Marco Ebert <[email protected]>

Author: Gacko

cmd/compute-domain-kubelet-plugin/root.go

@@ -47,6 +47,7 @@ func (r root) getDriverLibraryPath() (string, error) {
 // getNvidiaSMIPath returns path to the `nvidia-smi` executable in the driver root.
 func (r root) getNvidiaSMIPath() (string, error) {
 	binarySearchPaths := []string{
+		"/opt/bin",
 		"/usr/bin",
 		"/usr/sbin",
 		"/bin",

cmd/gpu-kubelet-plugin/root.go

@@ -47,6 +47,7 @@ func (r root) getDriverLibraryPath() (string, error) {
 // getNvidiaSMIPath returns path to the `nvidia-smi` executable in the driver root.
 func (r root) getNvidiaSMIPath() (string, error) {
 	binarySearchPaths := []string{
+		"/opt/bin",
 		"/usr/bin",
 		"/usr/sbin",
 		"/bin",

hack/kubelet-plugin-prestart.sh

@@ -43,9 +43,10 @@ validate_and_exit_on_success () {
 
     NV_PATH=$( \
         find \
-            /driver-root/bin \
-            /driver-root/sbin \
+            /driver-root/opt/bin \
             /driver-root/usr/bin \
+            /driver-root/usr/sbin \
+            /driver-root/bin \
             /driver-root/sbin \
         -maxdepth 1 -type f -name "nvidia-smi" 2> /dev/null | head -n1
     )