opentelemetry-instrumentation-asgi: add explicit http duration buckets for stable semconv

Author: xrmx

CHANGELOG.md

@@ -15,6 +15,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `opentelemetry-instrumentation-fastapi`: fix wrapping of middlewares
   ([#3012](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3012))
+- `opentelemetry-instrumentation-asgi`: add explicit http duration buckets for stable semconv
+  ([#3526](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3526))
 
 ### Breaking changes
 

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

@@ -202,6 +202,7 @@ def client_response_hook(span: Span, scope: dict[str, Any], message: dict[str, A
 
 from opentelemetry import context, trace
 from opentelemetry.instrumentation._semconv import (
+    HTTP_DURATION_HISTOGRAM_BUCKETS_NEW,
     _filter_semconv_active_request_count_attr,
     _filter_semconv_duration_attrs,
     _get_schema_url,
@@ -589,6 +590,7 @@ def __init__(
                 name=HTTP_SERVER_REQUEST_DURATION,
                 description="Duration of HTTP server requests.",
                 unit="s",
+                explicit_bucket_boundaries_advisory=HTTP_DURATION_HISTOGRAM_BUCKETS_NEW,
             )
         self.server_response_size_histogram = None
         if _report_old(sem_conv_opt_in_mode):

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

@@ -23,6 +23,7 @@
 import opentelemetry.instrumentation.asgi as otel_asgi
 from opentelemetry import trace as trace_api
 from opentelemetry.instrumentation._semconv import (
+    HTTP_DURATION_HISTOGRAM_BUCKETS_NEW,
     OTEL_SEMCONV_STABILITY_OPT_IN,
     _OpenTelemetrySemanticConventionStability,
     _server_active_requests_count_attrs_new,
@@ -1274,6 +1275,11 @@ async def test_asgi_metrics_new_semconv(self):
                     for point in data_points:
                         if isinstance(point, HistogramDataPoint):
                             self.assertEqual(point.count, 3)
+                            if metric.name == "http.server.request.duration":
+                                self.assertEqual(
+                                    point.explicit_bounds,
+                                    HTTP_DURATION_HISTOGRAM_BUCKETS_NEW,
+                                )
                             histogram_data_point_seen = True
                         if isinstance(point, NumberDataPoint):
                             number_data_point_seen = True
@@ -1313,6 +1319,11 @@ async def test_asgi_metrics_both_semconv(self):
                     for point in data_points:
                         if isinstance(point, HistogramDataPoint):
                             self.assertEqual(point.count, 3)
+                            if metric.name == "http.server.request.duration":
+                                self.assertEqual(
+                                    point.explicit_bounds,
+                                    HTTP_DURATION_HISTOGRAM_BUCKETS_NEW,
+                                )
                             histogram_data_point_seen = True
                         if isinstance(point, NumberDataPoint):
                             number_data_point_seen = True