feat: add NFS volume type

internal/modules/volumes/utils.go

@@ -0,0 +1,21 @@
+package volumes
+
+import (
+	"fmt"
+	"strings"
+
+	"k8s.io/utils/mount"
+)
+
+func UnmountVolume(path string) error {
+	mounter := mount.New("")
+	if err := mounter.Unmount(path); err != nil {
+		if strings.Contains(err.Error(), "not mounted") || strings.Contains(err.Error(), "No such file or directory") || strings.Contains(err.Error(), "Invalid argument") {
+			// Volume is not mounted
+			return nil
+		}
+		return fmt.Errorf("failed to unmount volume at %s: %w", path, err)
+	}
+	return nil
+
+}