Fix for bug "Should not allow other BackupManagementTypes when ContainerType is AzureVM"

Author: dragonfly91

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup.Models/Properties/Resources.Designer.cs

@@ -431,4 +431,7 @@ Please contact Microsoft for further assistant.</value>
   <data name="UnsupportedContainerType" xml:space="preserve">
     <value>Unsupported containerType: {0}</value>
   </data>
+  <data name="UnExpectedBackupManagementTypeException" xml:space="preserve">
+    <value>Unexpected BackupManagementType - expected:{0}, current:{1}</value>
+  </data>
 </root>

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup.Models/Properties/Resources.resx

@@ -374,9 +374,16 @@ public ProtectionPolicyResponse ModifyPolicy()
 
         public List<AzureRmRecoveryServicesBackupContainerBase> ListProtectionContainers()
         {
+            Models.ContainerType containerType = (Models.ContainerType)this.ProviderData.ProviderParameters[ContainerParams.ContainerType];
+            Models.BackupManagementType? backupManagementTypeNullable = (Models.BackupManagementType?)this.ProviderData.ProviderParameters[ContainerParams.BackupManagementType];
             string name = (string)this.ProviderData.ProviderParameters[ContainerParams.Name];
-            ContainerRegistrationStatus status = (ContainerRegistrationStatus)this.ProviderData.ProviderParameters[ContainerParams.Status];
             string resourceGroupName = (string)this.ProviderData.ProviderParameters[ContainerParams.ResourceGroupName];
+            ContainerRegistrationStatus status = (ContainerRegistrationStatus)this.ProviderData.ProviderParameters[ContainerParams.Status];
+
+            if (backupManagementTypeNullable.HasValue)
+            {
+                ValidateAzureVMBackupManagementType(backupManagementTypeNullable.Value);
+            }
 
             ProtectionContainerListQueryParams queryParams = new ProtectionContainerListQueryParams();
 
@@ -658,6 +665,16 @@ private void ValidateAzureVMContainerType(Microsoft.Azure.Commands.RecoveryServi
             }
         }
 
+        private void ValidateAzureVMBackupManagementType(Models.BackupManagementType backupManagementType)
+        {
+            if (backupManagementType != Models.BackupManagementType.AzureVM)
+            {
+                throw new ArgumentException(string.Format(Resources.UnExpectedBackupManagementTypeException,
+                                            Models.BackupManagementType.AzureVM.ToString(),
+                                            backupManagementType.ToString()));
+            }
+        }
+
         private void ValidateAzureVMProtectionPolicy(AzureRmRecoveryServicesBackupPolicyBase policy)
         {
             if (policy == null || policy.GetType() != typeof(AzureRmRecoveryServicesIaasVmPolicy))