[OperationalInsights] bug fix ,added exception info returned and extended documentation file

src/OperationalInsights/OperationalInsights/DataExports/NewAzureOperationalInsightsDataExportCommand.cs

@@ -52,16 +52,8 @@ public class NewAzureOperationalInsightsDataExportCommand : OperationalInsightsB
 
         public override void ExecuteCmdlet()
         {
-            var dataExportParameters = new CreatePSDataExportParameters
-            {
-                ResourceGroupName = ResourceGroupName,
-                WorkspaceName = WorkspaceName,
-                DataExportName = DataExportName,
-                TableNames = TableName.ToList(),
-                DestinationResourceId = ResourceId,
-                EventHubName = EventHubName,
-                Enable = Enable
-            };
+            var dataExportParameters = new CreatePSDataExportParameters(ResourceGroupName, WorkspaceName, DataExportName, TableName.ToList(), ResourceId, EventHubName, Enable);
+
             if (ShouldProcess(DataExportName, $"Create Data export: {DataExportName}, in workspace: {WorkspaceName}, resource group: {ResourceGroupName}"))
             {
                 WriteObject(this.OperationalInsightsClient.CreateDataExport(ResourceGroupName, dataExportParameters), true);

src/OperationalInsights/OperationalInsights/DataExports/UpdateAzureOperationalInsightsDataExportCommand.cs

@@ -50,7 +50,7 @@ public class UpdateAzureOperationalInsightsDataExportCommand : OperationalInsigh
 
         [Parameter(Mandatory = false, ParameterSetName = UpdateByNameParameterSet,
             HelpMessage = "An array of tables to export, for example: [“Heartbeat, SecurityEvent”].")]
-        public string[] TableName{ get; set; }
+        public string[] TableName { get; set; }
 
         [Parameter(Mandatory = false, ParameterSetName = UpdateByNameParameterSet,
             HelpMessage = "The destination resource ID. This can be copied from the Properties entry of the destination resource in Azure.")]
@@ -74,28 +74,30 @@ public override void ExecuteCmdlet()
                 this.DataExportName = resourceIdentifier.ResourceName;
             }
 
-            CreatePSDataExportParameters parameters = new CreatePSDataExportParameters();
+            CreatePSDataExportParameters parameters; ;
 
             if (this.IsParameterBound(c => c.InputDataExport))
             {
                 var resourceIdentifier = new ResourceIdentifier(this.InputDataExport.Id);
-                parameters.ResourceGroupName = resourceIdentifier.ResourceGroupName; ;
-                parameters.WorkspaceName = resourceIdentifier.ParentResource.ToLower().Replace("workspaces/", "");
-                parameters.DataExportName = resourceIdentifier.ResourceName;
-                parameters.TableNames = InputDataExport.TableNames;
-                parameters.DestinationResourceId = InputDataExport.ResourceId;
-                parameters.EventHubName = InputDataExport.EventHubName;
-                parameters.Enable = InputDataExport.Enable;
+                parameters = new CreatePSDataExportParameters(
+                    resourceGroupName: resourceIdentifier.ResourceGroupName,
+                    workspaceName: resourceIdentifier.ParentResource.ToLower().Replace("workspaces/", ""),
+                    dataExportName: resourceIdentifier.ResourceName,
+                    tableNames: InputDataExport.TableNames,
+                    destinationResourceId: InputDataExport.ResourceId,
+                    eventHubName: InputDataExport.EventHubName,
+                    enable: InputDataExport.Enable);
             }
             else
             {
-                parameters.ResourceGroupName = ResourceGroupName;
-                parameters.WorkspaceName = WorkspaceName;
-                parameters.DataExportName = DataExportName;
-                parameters.TableNames = TableName.ToList();
-                parameters.DestinationResourceId = DestinationResourceId;
-                parameters.EventHubName = EventHubName;
-                parameters.Enable = Enable;
+                parameters = new CreatePSDataExportParameters(
+                    resourceGroupName: ResourceGroupName,
+                    workspaceName: WorkspaceName,
+                    dataExportName: DataExportName,
+                    tableNames: TableName.ToList(),
+                    destinationResourceId: DestinationResourceId,
+                    eventHubName: EventHubName,
+                    enable: Enable);
             }
 
             if (ShouldProcess(DataExportName, $"Update Data export: {DataExportName}, in workspace: {WorkspaceName}, resource group: {ResourceGroupName}"))

src/OperationalInsights/OperationalInsights/Models/CreatePSDataExportParameters.cs

@@ -12,15 +12,43 @@
 // ----------------------------------------------------------------------------------
 
 using System.Collections.Generic;
+using System.Linq;
 
 namespace Microsoft.Azure.Commands.OperationalInsights.Models
 {
     public class CreatePSDataExportParameters : OperationalInsightsParametersBase
     {
+        public CreatePSDataExportParameters(string resourceGroupName, string workspaceName, string dataExportName, List<string> tableNames, string destinationResourceId, string eventHubName, bool? enable)
+        {
+            this.ResourceGroupName = resourceGroupName;
+            this.WorkspaceName = workspaceName;
+            this.DataExportName = dataExportName;
+            this.TableNames = this.RemoveWhitespace(tableNames);
+            this.DestinationResourceId = destinationResourceId;
+            this.EventHubName = eventHubName;
+            this.Enable = enable;
+        }
+
+        /// <summary>
+        /// splits by comma and removes leading and trailing whitespaces  
+        /// </summary>
+        /// <param name="tableNames">list of table names</param>
+        /// <returns>A list of table names without empty spaces</returns>
+        private List<string> RemoveWhitespace(List<string> tableNames)
+        {
+            List<string> allTableNames = new List<string>();
+            foreach (var tableName in tableNames)
+            {
+                allTableNames = tableName.Split(',').Select(x => x.Trim()).Where(x => !string.IsNullOrWhiteSpace(x)).Union(allTableNames).ToList();
+            }
+
+            return allTableNames;
+        }
+
         public string DataExportName { get; set; }
-        public List<string> TableNames { get; set; } 
+        public List<string> TableNames { get; set; }
         public string DestinationResourceId { get; set; }
-        public string EventHubName { get; set; } 
-        public bool? Enable { get; set; } 
+        public string EventHubName { get; set; }
+        public bool? Enable { get; set; }
     }
 }

src/OperationalInsights/OperationalInsights/OperationalInsightsBaseCmdlet.cs

@@ -65,6 +65,12 @@ protected override void WriteExceptionError(Exception exception)
                 exception = cloudException.CreateFormattedException();
             }
 
+            // Override the default error message so it will include information passed from Backend
+            Management.OperationalInsights.Models.ErrorResponseException errorException = exception as Management.OperationalInsights.Models.ErrorResponseException;
+            if (errorException != null)
+            {
+                exception = new Exception(string.Format("{0}\n{1}", errorException.Message, errorException.Response.ReasonPhrase), errorException);
+            }
             base.WriteExceptionError(exception);
         }
     }

src/OperationalInsights/OperationalInsights/help/Update-AzOperationalInsightsDataExport.md

@@ -38,7 +38,7 @@ Updates a data export.
 
 ### Example 1
 ```powershell
-PS C:\> Update-AzOperationalInsightsDataExport -ResourceGroupName {rg-name} -WorkspaceName {workspace-name} -DataExportName {dataExportName} -TableNames {table_names}
+PS C:\> Update-AzOperationalInsightsDataExport -ResourceGroupName {rg-name} -WorkspaceName {workspace-name} -DataExportName {dataExportName} -TableNames {table_names} -Enable $true
 
 Name             : {dataExportName}
 Id               : /subscriptions/{subscription}/resourcegroups/{rg-name}/providers/microsoft.operationalinsights/workspaces/{workspace-name}/dataexports/{dataExportName}
@@ -49,7 +49,7 @@ ResourceId       : /subscriptions/{resource_subscription}/resourceGroups/{resour
                    counts/{storage_name}
 DataExportType   : StorageAccount
 EventHubName     :
-Enable           : false
+Enable           : true
 CreatedDate      : 
 LastModifiedDate :
 ```