add Longhorn and CSI use default image question

Signed-off-by: Mohamed Eldafrawi <mohamed.eldafrawi@rancher.com>

chart/questions.yml

@@ -4,78 +4,110 @@ labels:
   io.rancher.certified: experimental
 namespace: longhorn-system
 questions:
-- variable: image.longhorn.manager
+- variable: image.defaultImage
+  default: "true"
+  description: "Use default Longhorn images"
+  label: Use Default Images
+  type: boolean
+  show_subquestion_if: false
+  group: "Longhorn Images"
+  subquestions:
+  - variable: image.longhorn.manager
     default: longhornio/longhorn-manager
     description: "Specify Longhorn Manager Image Name"
     type: string
     label: Longhorn Manager Image Name
     group: "Longhorn Images Settings"
-- variable: image.longhorn.managerTag
+  - variable: image.longhorn.managerTag
     default: v0.8.1-rc1
     description: "Specify Longhorn Manager Image Tag"
     type: string
     label: Longhorn Manager Image Tag
     group: "Longhorn Images Settings"
-- variable: image.longhorn.engine
+  - variable: image.longhorn.engine
     default: longhornio/longhorn-engine
     description: "Specify Longhorn Engine Image Name"
     type: string
     label: Longhorn Engine Image Name
     group: "Longhorn Images Settings"
-- variable: image.longhorn.engineTag
+  - variable: image.longhorn.engineTag
     default: v0.8.1-rc1
     description: "Specify Longhorn Engine Image Tag"
     type: string
     label: Longhorn Engine Image Tag
     group: "Longhorn Images Settings"
-- variable: image.longhorn.ui
+  - variable: image.longhorn.ui
     default:  longhornio/longhorn-ui
     description: "Specify Longhorn UI Image Name"
     type: string
     label: Longhorn UI Image Name
     group: "Longhorn Images Settings"
-- variable: image.longhorn.uiTag
+  - variable: image.longhorn.uiTag
     default: v0.8.1-rc1
     description: "Specify Longhorn UI Image Tag"
     type: string
     label: Longhorn UI Image Tag
     group: "Longhorn Images Settings"
-- variable: image.longhorn.instanceManager
+  - variable: image.longhorn.instanceManager
     default: longhornio/longhorn-instance-manager
     description: "Specify Longhorn Instance Manager Image Name"
     type: string
     label: Longhorn Instance Manager Image Name
     group: "Longhorn Images Settings"
-- variable: image.longhorn.instanceManagerTag
+  - variable: image.longhorn.instanceManagerTag
     default: v1_20200301
     description: "Specify Longhorn Instance Manager Image Tag"
     type: string
     label: Longhorn Manager Image Tag
     group: "Longhorn Images Settings"
-- variable: csi.attacherImage
+  - variable: csi.attacherImage
     default:
     description: "Specify CSI attacher image. Leave blank to autodetect."
     type: string
     label: Longhorn CSI Attacher Image
-  group: "Longhorn CSI Driver Settings"
+    group: "Longhorn CSI Driver Images"
-- variable: csi.provisionerImage
+  - variable: csi.provisionerImage
     default:
     description: "Specify CSI provisioner image. Leave blank to autodetect."
     type: string
     label: Longhorn CSI Provisioner Image
-  group: "Longhorn CSI Driver Settings"
+    group: "Longhorn CSI Driver Images"
-- variable: csi.driverRegistrarImage
+  - variable: csi.driverRegistrarImage
     default:
     description: "Specify CSI Driver Registrar image. Leave blank to autodetect."
     type: string
     label: Longhorn CSI Driver Registrar Image
-  group: "Longhorn CSI Driver Settings"
+    group: "Longhorn CSI Driver Images"
-- variable: csi.resizerImage
+  - variable: csi.resizerImage
     default:
     description: "Specify CSI Driver Resizer image. Leave blank to autodetect."
     type: string
     label: Longhorn CSI Driver Resizer Image
-  group: "Longhorn CSI Driver Settings"
+    group: "Longhorn CSI Driver Images"
+- variable: privateRegistry.registryUrl
+  label: Private registry URL
+  description: "URL of private registry"
+  group: "Private Registry Settings"
+  type: string
+  default: ""
+- variable: privateRegistry.registryUser
+  label: Private registry user
+  description: "User used to authenticate to private registry"
+  group: "Private Registry Settings"
+  type: string
+  default: ""
+- variable: privateRegistry.registryPasswd
+  label: Private registry password
+  description: "Password used to authenticate to private registry"
+  group: "Private Registry Settings"
+  type: password
+  default: ""
+- variable: defaultSettings.registrySecret
+  label: Private registry secret
+  description: "The Kubernetes Secret name"
+  group: "Longhorn Default Settings"
+  type: string
+  default: ""
 - variable: csi.kubeletRootDir
   default:
   description: "Specify kubelet root-dir. Leave blank to autodetect."
@@ -197,30 +229,6 @@ questions:
   group: "Longhorn Default Settings"
   type: string
   default: ""
-- variable: defaultSettings.registrySecret
-  label: Private registry secret
-  description: "The Kubernetes Secret name"
-  group: "Longhorn Default Settings"
-  type: string
-  default: ""
-- variable: privateRegistry.registryUrl
-  label: Private registry URL
-  description: "URL of private registry"
-  group: "Private Registry Settings"
-  type: string
-  default: ""
-- variable: privateRegistry.registryUser
-  label: Private registry user
-  description: "User used to authenticate to private registry"
-  group: "Private Registry Settings"
-  type: string
-  default: ""
-- variable: privateRegistry.registryPasswd
-  label: Private registry password
-  description: "Password used to authenticate to private registry"
-  group: "Private Registry Settings"
-  type: password
-  default: ""
 - variable: ingress.enabled
   default: "false"
   description: "Expose app using Layer 7 Load Balancer - ingress"