temp: add debug tags

Author: lucaspimentel

tracer/src/Datadog.Trace/ClrProfiler/AutoInstrumentation/Http/HttpClient/HttpMessageHandlerCommon.cs

@@ -42,6 +42,11 @@ public static CallTargetState OnMethodBegin<TTarget, TRequest>(TTarget instance,
                     var context = new PropagationContext(scope.Span.Context, Baggage.Current);
                     tracer.TracerManager.SpanContextPropagator.Inject(context, new HttpHeadersCollection(headers));
 
+                    // Temporary debug tags
+                    scope.Span.SetTag("http_headers_injected", "true");
+                    scope.Span.SetTag("http_trace_id", scope.Span.Context.RawTraceId);
+                    scope.Span.SetTag("http_span_id", scope.Span.Context.RawSpanId);
+
                     tracer.TracerManager.Telemetry.IntegrationGeneratedSpan(implementationIntegrationId ?? integrationId);
                     return new CallTargetState(scope);
                 }

tracer/src/Datadog.Trace/ClrProfiler/AutoInstrumentation/Http/HttpClient/SocketsHttpHandler/YarpForwarderHttpClientFactoryIntegration.cs

@@ -64,6 +64,12 @@ internal static CallTargetState OnMethodBegin<TTarget, TArg1>(TTarget instance,
     /// <returns>A return value, in an async scenario will be T of Task of T</returns>
     internal static CallTargetReturn OnMethodEnd<TTarget>(TTarget instance, Exception exception, in CallTargetState state)
     {
+        // Temporary debug tag
+        if (Tracer.Instance.ActiveScope is { Span: var span })
+        {
+            span.SetTag("http_yarp_integration_called", "true");
+        }
+
         // On net6.0+, the proxy will inject the current Activity into the request headers, using the propagator
         // stored in the SocketsHttpHandler.ActivityHeadersPropagator field. This will overwrite the propagation
         // headers that have already been set by our Datadog tracer's HttpClient instrumentation.
@@ -72,6 +78,12 @@ internal static CallTargetReturn OnMethodEnd<TTarget>(TTarget instance, Exceptio
         if (state.State is System.Net.Http.SocketsHttpHandler handler)
         {
             handler.ActivityHeadersPropagator = DistributedContextPropagator.CreateNoOutputPropagator();
+
+            // Temporary debug tag
+            if (Tracer.Instance.ActiveScope is { Span: var span2 })
+            {
+                span2.SetTag("http_yarp_propagator_disabled", "true");
+            }
         }
 
         return CallTargetReturn.GetDefault();