Exception enhancement (#2418)

Add new exception type that allows use to determine if it is a loggable
error better....

configuration.json

@@ -28,7 +28,7 @@
       "Target": {
         "EndpointType": "TfsTeamProjectEndpoint",
         "Collection": "https://dev.azure.com/nkdagility-preview/",
-        "Project": "migrationTest5",
+        "Project": "migrationTest55",
         "TfsVersion": "AzureDevOps",
         "Authentication": {
           "AuthenticationMode": "AccessToken",

src/MigrationTools.Clients.TfsObjectModel/Tools/TfsNodeStructureTool.cs

@@ -8,12 +8,14 @@
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using Microsoft.TeamFoundation.Common;
+using Microsoft.TeamFoundation.Core.WebApi;
 using Microsoft.TeamFoundation.Server;
 using Microsoft.TeamFoundation.Work.WebApi;
 using MigrationTools.Clients;
 using MigrationTools.DataContracts;
 using MigrationTools.Endpoints;
 using MigrationTools.Enrichers;
+using MigrationTools.Exceptions;
 using MigrationTools.FieldMaps;
 using MigrationTools.Processors;
 using MigrationTools.Processors.Infrastructure;
@@ -54,13 +56,14 @@ public class TfsNodeStructureTool : Tool<TfsNodeStructureToolOptions>
         private TfsLanguageMapOptions _sourceLanguageMaps;
         private TfsLanguageMapOptions _targetLanguageMaps;
 
-        private ProjectInfo _sourceProjectInfo;
+        private Microsoft.TeamFoundation.Server.ProjectInfo _sourceProjectInfo;
 
         private string _sourceProjectName;
         private NodeInfo[] _sourceRootNodes;
         private ICommonStructureService4 _targetCommonStructureService;
 
         private string _targetProjectName;
+        private Microsoft.TeamFoundation.Server.ProjectInfo _targetProjectInfo;
         private KeyValuePair<string, string>? _lastResortRemapRule;
 
         public WorkItemMetrics workItemMetrics { get; private set; }
@@ -312,6 +315,15 @@ protected void EntryForProcessorType(TfsProcessor processor)
                     _targetCommonStructureService = processor.Target.GetService<ICommonStructureService4>();
                     _targetLanguageMaps = processor.Target.Options.LanguageMaps;
                     _targetProjectName = processor.Target.Options.Project;
+                    try
+                    {
+                        _targetProjectInfo = _targetCommonStructureService.GetProjectFromName(_targetProjectName);
+                    }
+                    catch (ProjectException ex)
+                    {
+                        throw new MigrationToolsException(ex, MigrationToolsException.ExceptionSource.Configuration);
+                    }
+
                 }
             }
         }
@@ -403,6 +415,8 @@ private static string GetUserFriendlyPath(string systemNodePath)
         private void MigrateAllNodeStructures()
         {
             Log.LogDebug("NodeStructureEnricher.MigrateAllNodeStructures(@{areaMaps}, @{iterationMaps})", Options.Areas, Options.Iterations);
+
+
             //////////////////////////////////////////////////
             ProcessCommonStructure(_sourceLanguageMaps.AreaPath, _targetLanguageMaps.AreaPath, _targetProjectName, TfsNodeStructureType.Area);
             //////////////////////////////////////////////////

src/MigrationTools/Exceptions/MigrationToolsException.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Elmah.Io.Client;
+
+namespace MigrationTools.Exceptions
+{
+
+
+    public class MigrationToolsException : Exception
+    {
+        public MigrationToolsException(Exception ex, ExceptionSource errorSource) : base(ex.Message)
+        {
+            this.ErrorSource = errorSource;
+        }
+
+        public ExceptionSource ErrorSource { get; }
+
+        public enum ExceptionSource
+        {
+            Configuration,
+            Internal
+        }
+    }
+}

src/MigrationTools/Processors/Infrastructure/Processor.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.Design;
 using System.Diagnostics;
 using System.Linq;
 using Microsoft.Extensions.DependencyInjection;
@@ -64,13 +65,13 @@ public IEndpoint GetEndpoint(string name)
             {
                 throw new ArgumentException("Endpoint name cannot be null or empty", nameof(name));
             }
-                // Assuming GetRequiredKeyedService throws an exception if the service is not found
-                IEndpoint endpoint = Services.GetKeyedService<IEndpoint>(name);
-                if (endpoint == null)
-                {
-                throw new ConfigurationValidationException( Options, ValidateOptionsResult.Fail($"The Endpoint '{name}' specified for `{this.GetType().Name}` was not found."));
-                }
-                return endpoint;
+            // Assuming GetRequiredKeyedService throws an exception if the service is not found
+            IEndpoint endpoint = Services.GetKeyedService<IEndpoint>(name);
+            if (endpoint == null)
+            {
+                throw new ConfigurationValidationException(Options, ValidateOptionsResult.Fail($"The Endpoint '{name}' specified for `{this.GetType().Name}` was not found."));
+            }
+            return endpoint;
         }
 
         public void Execute()
@@ -113,12 +114,28 @@ public void Execute()
                     ProcessorActivity.SetStatus(ActivityStatusCode.Error);
                     Log.LogCritical(ex, "Validation of your configuration failed:");
                 }
+                catch (MigrationToolsException ex)
+                {
+                    Status = ProcessingStatus.Failed;
+                    ProcessorActivity.SetStatus(ActivityStatusCode.Error);
+                    switch (ex.ErrorSource)
+                    {
+                        case MigrationToolsException.ExceptionSource.Configuration:
+                            Log.LogCritical(ex, "An error occurred in the Migration Tools causing it to stop! This is likley due to a configuration issue and is not being logged remotely. You can always ask on https://github.com/nkdAgility/azure-devops-migration-tools/discussions ");
+                            break;
+                        case MigrationToolsException.ExceptionSource.Internal:
+                        default:
+                            Log.LogCritical(ex, "An error occurred in the Migration Tools causing it to stop!");
+                            Telemetry.TrackException(ex, ProcessorActivity.Tags);
+                            break;
+                    }
+                }
                 catch (Exception ex)
                 {
                     Status = ProcessingStatus.Failed;
                     ProcessorActivity.SetStatus(ActivityStatusCode.Error);
-                    Telemetry.TrackException(ex, ProcessorActivity.Tags);
                     Log.LogCritical(ex, "Error while running {MigrationContextname}", Name);
+                    Telemetry.TrackException(ex, ProcessorActivity.Tags);
                 }
                 finally
                 {