Merge pull request AzureRT#189 from MabOneSdk/dev1-sudreddy

Initial checkin for policy validations and conversions

Author: sudhakar4171

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup.Helpers/Commands.RecoveryServices.Backup.Helpers.csproj

@@ -49,6 +49,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Conversions\JobConversions.cs" />
+    <Compile Include="Utils.cs" />
     <Compile Include="Validations\PolicyValidations.cs" />
     <Compile Include="Conversions\SchedulePolicyConversions.cs" />
     <Compile Include="Conversions\RetentionPolicyConversions.cs" />

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup.Helpers/Conversions/ConversionHelpers.cs

@@ -67,6 +67,20 @@ public static AzureRmRecoveryServicesPolicyBase GetPolicyModel(ProtectionPolicyR
 
             if (hydraResponse.Properties.GetType() == typeof(AzureIaaSVMProtectionPolicy))
             {
+                if(((AzureIaaSVMProtectionPolicy)hydraResponse.Properties).RetentionPolicy.GetType() !=
+                                                                           typeof(LongTermRetentionPolicy))
+                {
+                    // unsupported by old powershell - trace warning and return null
+                    return null;
+                }
+
+                if (((AzureIaaSVMProtectionPolicy)hydraResponse.Properties).SchedulePolicy.GetType() != 
+                                                                            typeof(SimpleSchedulePolicy))
+                {
+                    // unsupported by old powershell - trace warning and return null
+                    return null;
+                }
+
                 policyModel = new AzureRmRecoveryServicesIaasVmPolicy();
                 AzureRmRecoveryServicesIaasVmPolicy iaasPolicyModel = policyModel as AzureRmRecoveryServicesIaasVmPolicy;
                 iaasPolicyModel.WorkloadType = WorkloadType.AzureVM;