Refactor LocalPersistentVolume to use VolumeType enum for volumeType property

Author: hervedombya

ui/src/services/k8s/Metalk8sLocalVolumeProvider.ts

@@ -9,11 +9,16 @@ function isError<T>(result: Result<T>): result is { error: any } {
   return (result as { error: any }).error !== undefined;
 }
 
-type LocalPersistentVolume = V1PersistentVolume & {
+export enum VolumeType {
+  Hardware = 'Hardware',
+  Virtual = 'Virtual',
+}
+
+export type LocalPersistentVolume = V1PersistentVolume & {
   IP: string;
   devicePath: string;
   nodeName: string;
-  volumeType: 'rawBlockDevice' | 'lvmLogicalVolume' | 'sparseLoopDevice';
+  volumeType: VolumeType;
 };
 
 export default class Metalk8sLocalVolumeProvider {
@@ -59,10 +64,8 @@ export default class Metalk8sLocalVolumeProvider {
                 item.spec?.rawBlockDevice?.devicePath || item.metadata['name'],
               nodeName: item.spec.nodeName,
               volumeType: item.spec.rawBlockDevice
-                ? ('rawBlockDevice' as 'rawBlockDevice')
-                : item.spec.lvmLogicalVolume
-                ? ('lvmLogicalVolume' as 'lvmLogicalVolume')
-                : ('sparseLoopDevice' as 'sparseLoopDevice'),
+                ? VolumeType.Hardware
+                : VolumeType.Virtual,
             },
           ];
         }, [] as LocalPersistentVolume[]);