Replace dots with spaces to separate destination and operation names

Author: adamantike

instrumentation/opentelemetry-instrumentation-asgi/src/opentelemetry/instrumentation/asgi/__init__.py

@@ -217,7 +217,7 @@ async def __call__(self, scope, receive, send):
                 @wraps(receive)
                 async def wrapped_receive():
                     with self.tracer.start_as_current_span(
-                        span_name + " " + scope["type"] + ".receive"
+                        " ".join((span_name, scope["type"], "receive"))
                     ) as receive_span:
                         message = await receive()
                         if receive_span.is_recording():
@@ -229,7 +229,7 @@ async def wrapped_receive():
                 @wraps(send)
                 async def wrapped_send(message):
                     with self.tracer.start_as_current_span(
-                        span_name + " " + scope["type"] + ".send"
+                        " ".join((span_name, scope["type"], "send"))
                     ) as send_span:
                         if send_span.is_recording():
                             if message["type"] == "http.response.start":

instrumentation/opentelemetry-instrumentation-asgi/tests/test_asgi_middleware.py

@@ -116,20 +116,20 @@ def validate_outputs(self, outputs, error=None, modifiers=None):
         self.assertEqual(len(span_list), 4)
         expected = [
             {
-                "name": "/ http.receive",
+                "name": "/ http receive",
                 "kind": trace_api.SpanKind.INTERNAL,
                 "attributes": {"type": "http.request"},
             },
             {
-                "name": "/ http.send",
+                "name": "/ http send",
                 "kind": trace_api.SpanKind.INTERNAL,
                 "attributes": {
                     SpanAttributes.HTTP_STATUS_CODE: 200,
                     "type": "http.response.start",
                 },
             },
             {
-                "name": "/ http.send",
+                "name": "/ http send",
                 "kind": trace_api.SpanKind.INTERNAL,
                 "attributes": {"type": "http.response.body"},
             },
@@ -204,7 +204,7 @@ def update_expected_span_name(expected):
                     entry["name"] = span_name
                 else:
                     entry["name"] = " ".join(
-                        [span_name] + entry["name"].split(" ")[-1:]
+                        [span_name] + entry["name"].split(" ")[1:]
                     )
             return expected
 
@@ -306,11 +306,11 @@ def test_websocket(self):
         span_list = self.memory_exporter.get_finished_spans()
         self.assertEqual(len(span_list), 6)
         expected = [
-            "/ websocket.receive",
-            "/ websocket.send",
-            "/ websocket.receive",
-            "/ websocket.send",
-            "/ websocket.receive",
+            "/ websocket receive",
+            "/ websocket send",
+            "/ websocket receive",
+            "/ websocket send",
+            "/ websocket receive",
             "/",
         ]
         actual = [span.name for span in span_list]