Expose SubStatus for Extension instance view

Author: hyonholee

src/ResourceManager/Compute/Commands.Compute.Test/ScenarioTests/VirtualMachineExtensionTests.ps1

@@ -139,6 +139,7 @@ function Test-VirtualMachineExtension
         Assert-AreEqual $ext.ResourceGroupName $rgname;
         Assert-NotNull $ext.ProvisioningState;
         Assert-NotNull $ext.Statuses;
+        Assert-NotNull $ext.SubStatuses;
 
         # Remove Extension
         Remove-AzureRmVMExtension -ResourceGroupName $rgname -VMName $vmname -Name $extname -Force;

src/ResourceManager/Compute/Commands.Compute/Extension/DSC/VirtualMachineDscExtensionContext.cs

@@ -25,15 +25,5 @@ public class VirtualMachineDscExtensionContext : PSVirtualMachineExtension
         public string ModulesUrl { get; set; }
         public string ConfigurationFunction { get; set; }
         public Hashtable Properties { get; set; }
-
-        [JsonIgnore]
-        public string StatusesText
-        {
-            get
-            {
-                var status = JsonConvert.SerializeObject(Statuses, Formatting.Indented);
-                return "null".Equals(status) ? String.Empty : status;
-            }
-        }
     }
 }

src/ResourceManager/Compute/Commands.Compute/Models/PSVirtualMachineExtension.cs

@@ -14,6 +14,7 @@
 
 using Microsoft.Azure.Management.Compute.Models;
 using System.Collections.Generic;
+using Newtonsoft.Json;
 
 namespace Microsoft.Azure.Commands.Compute.Models
 {
@@ -42,6 +43,21 @@ public class PSVirtualMachineExtension
         public string ProvisioningState { get; set; }
 
         public IList<InstanceViewStatus> Statuses { get; set; }
+
+        [JsonIgnore]
+        public string StatusesText
+        {
+            get { return JsonConvert.SerializeObject(Statuses, Formatting.Indented); }
+        }
+
+        public IList<InstanceViewStatus> SubStatuses { get; set; }
+
+        [JsonIgnore]
+        public string SubStatusesText
+        {
+            get { return JsonConvert.SerializeObject(SubStatuses, Formatting.Indented); }
+        }
+
     }
 
     public static class PSVirtualMachineExtensionConversions
@@ -71,7 +87,8 @@ public static PSVirtualMachineExtension ToPSVirtualMachineExtension(this Virtual
                 PublicSettings = ext == null ? null : ext.Settings,
                 ProtectedSettings = ext == null ? null : ext.ProtectedSettings,
                 ProvisioningState = ext == null ? null : ext.ProvisioningState,
-                Statuses = ext == null || ext.InstanceView == null ? null : ext.InstanceView.Statuses
+                Statuses = ext == null || ext.InstanceView == null ? null : ext.InstanceView.Statuses,
+                SubStatuses = ext == null || ext.InstanceView == null ? null : ext.InstanceView.SubStatuses,
             };
 
             return result;