Make requests span attributes available to samplers (#931)

CHANGELOG.md

@@ -11,6 +11,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `opentelemetry-instrumentation-dbapi` add experimental sql commenter capability
   ([#908](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/908))
+- `opentelemetry-instrumentation-requests` make span attribute available to samplers
+  ([#931](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/931))
 
 ### Fixed
 

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

@@ -162,13 +162,15 @@ def _instrument(
 
         url = remove_url_credentials(url)
 
+        span_attributes = {
+            SpanAttributes.HTTP_METHOD: method,
+            SpanAttributes.HTTP_URL: url,
+        }
+
         with tracer.start_as_current_span(
-            span_name, kind=SpanKind.CLIENT
+            span_name, kind=SpanKind.CLIENT, attributes=span_attributes
         ) as span, set_ip_on_next_http_connection(span):
             exception = None
-            if span.is_recording():
-                span.set_attribute(SpanAttributes.HTTP_METHOD, method)
-                span.set_attribute(SpanAttributes.HTTP_URL, url)
 
             headers = get_or_create_headers()
             inject(headers)