Remove attributes from http.server.active_requests metric to prevent emitting too many (#1060)

Author: alexmojaki

logfire/_internal/config.py

@@ -1024,7 +1024,18 @@ def check_token():
                         View(
                             instrument_type=Histogram,
                             aggregation=ExponentialBucketHistogramAggregation(),
-                        )
+                        ),
+                        View(
+                            instrument_type=UpDownCounter,
+                            instrument_name='http.server.active_requests',
+                            attribute_keys={
+                                'url.scheme',
+                                'http.scheme',
+                                'http.flavor',
+                                'http.method',
+                                'http.request.method',
+                            },
+                        ),
                     ],
                 )
             else:

tests/otel_integrations/test_django.py

@@ -35,7 +35,6 @@ def test_good_route(client: Client, exporter: TestExporter, metrics_reader: InMe
                         {
                             'attributes': {
                                 'http.method': 'GET',
-                                'http.server_name': 'testserver',
                                 'http.scheme': 'http',
                                 'http.flavor': '1.1',
                                 'http.request.method': 'GET',