chart: arg kubelet root-dir became configurable

chart/questions.yml

@@ -37,6 +37,11 @@ questions:
     description: "Specify CSI Driver Registrar image. Leave blank to autodetect."
     type: string
     label: Longhorn CSI Driver Registrar Image
+  - variable: csi.kubeletRootDir
+    default:
+    description: "Specify kubelet root-dir. Leave blank to autodetect."
+    type: string
+    label: Kubelet Root Directory
 - variable: persistence.defaultClass
   default: "true"
   description: "Set as default StorageClass"

chart/templates/deployment-driver.yaml

@@ -46,6 +46,10 @@ spec:
                 fieldPath: spec.serviceAccountName
           - name: FLEXVOLUME_DIR
             value: {{ .Values.persistence.flexvolumePath }}
+          {{- if .Values.csi.kubeletRootDir }}
+          - name: KUBELET_ROOT_DIR
+            value: {{ .Values.csi.kubeletRootDir }}
+          {{- end }}
           {{- if .Values.csi.attacherImage }}
           - name: CSI_ATTACHER_IMAGE
             value: {{ .Values.csi.attacherImage }}

chart/values.yaml

@@ -32,6 +32,7 @@ csi:
   attacherImage:
   provisionerImage:
   driverRegistrarImage:
+  kubeletRootDir:
 
 resources: {}
   # We usually recommend not to specify default resources and to leave this as a conscious