middleware.rb in ddtrace-1.15.0

- old
+ new

@@ -45,9 +45,14 @@
                 Tracing::Metadata::Ext::TAG_PEER_SERVICE,
                 options[:peer_service]
               )
             end
 
+            # Tag original global service name if not used
+            if span.service != Datadog.configuration.service
+              span.set_tag(Tracing::Contrib::Ext::Metadata::TAG_BASE_SERVICE, Datadog.configuration.service)
+            end
+
             span.set_tag(Tracing::Metadata::Ext::TAG_KIND, Tracing::Metadata::Ext::SpanKind::TAG_CLIENT)
 
             span.set_tag(Tracing::Metadata::Ext::TAG_COMPONENT, Ext::TAG_COMPONENT)
             span.set_tag(Tracing::Metadata::Ext::TAG_OPERATION, Ext::TAG_OPERATION_REQUEST)
 