fix(boto3): overwrite server attributes when request URL is resolved

Author: pabloDeputter

sentry_sdk/integrations/boto3/_instrumentation.py

@@ -69,7 +69,7 @@ def _get_server_attributes(endpoint_url: "Optional[str]") -> "Attributes":
         }
 
     except (TypeError, UnicodeError, ValueError):
-        # Invalid client metadata must not prevent the AWS call from running.
+        # invalid client metadata must not prevent the AWS call from running.
         return {}
 
 
@@ -280,6 +280,9 @@ def _set_request_attributes(
         with capture_internal_exceptions():
             parsed_url = parse_url(request.url, sanitize=False)
 
+    # overwrite server attributes when actual request URL is resolved.
+    _set_span_attributes(span, _get_server_attributes(request.url))
+
     if isinstance(span, StreamedSpan):
         span.set_attributes(get_url_attributes(client, parsed_url))
         if request.method is not None: