Tagging Exception for jaegar ui and opentelemetry added

Author: HasanJaved-Developer

SharedLibrary/Middlewares/ExceptionHandlingMiddleware.cs

@@ -1,5 +1,7 @@
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
+using System.Diagnostics;
+using OpenTelemetry.Trace; // <- this brings in Activity.RecordException(...)
 
 namespace SharedLibrary.Middlewares
 {
@@ -29,6 +31,25 @@ public async Task Invoke(HttpContext context)
             }
             catch (Exception ex)
             {
+
+                var activity = Activity.Current;
+                if (activity is not null)
+                {
+                    var tags = new ActivityTagsCollection
+                    {
+                        ["exception.type"] = ex.GetType().FullName,
+                        ["exception.message"] = ex.Message,
+                        ["exception.stacktrace"] = ex.ToString(),
+                    };
+
+                    // add the OpenTelemetry "exception" event to the current span
+                    activity.AddEvent(new ActivityEvent("exception", tags: tags));
+
+                    // mark the span as error so it shows red in Jaeger
+                    activity.SetStatus(ActivityStatusCode.Error, ex.Message);
+                }
+
+
                 // Log using Serilog (through ILogger)
                 _logger.LogError(ex, "Unhandled exception occurred while processing request {Path}", context.Request.Path);
 

SharedLibrary/SharedLibrary.csproj

@@ -9,6 +9,7 @@
   <ItemGroup>
 	  <FrameworkReference Include="Microsoft.AspNetCore.App" />
       <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.9" />
+      <PackageReference Include="OpenTelemetry" Version="1.13.1" />
   </ItemGroup>
 
 </Project>