fix non-recording bug (#999)

CHANGELOG.md

@@ -7,16 +7,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased](https://github.com/open-telemetry/opentelemetry-python/compare/v1.10.0-0.29b0...HEAD)
 
+- `opentelemetry-instrumentation-flask` Fix non-recording span bug
+  ([#999])(https://github.com/open-telemetry/opentelemetry-python-contrib/pull/999)
+- `opentelemetry-instrumentation-tornado` Fix non-recording span bug
+  ([#999])(https://github.com/open-telemetry/opentelemetry-python-contrib/pull/999)
+
 ## [1.10.0-0.29b0](https://github.com/open-telemetry/opentelemetry-python/releases/tag/v1.10.0-0.29b0) - 2022-03-10
 
-
-
 - `opentelemetry-instrumentation-wsgi` Capture custom request/response headers in span attributes
   ([#925])(https://github.com/open-telemetry/opentelemetry-python-contrib/pull/925)
-
 - `opentelemetry-instrumentation-flask` Flask: Capture custom request/response headers in span attributes
   ([#952])(https://github.com/open-telemetry/opentelemetry-python-contrib/pull/952)
-
 - `opentelemetry-instrumentation-tornado` Tornado: Capture custom request/response headers in span attributes
   ([#950])(https://github.com/open-telemetry/opentelemetry-python-contrib/pull/950)
 

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

@@ -153,7 +153,10 @@ def _rewrapped_app(wsgi_app, response_hook=None, excluded_urls=None):
                     otel_wsgi.add_response_attributes(
                         span, status, response_headers
                     )
-                    if span.kind == trace.SpanKind.SERVER:
+                    if (
+                        span.is_recording()
+                        and span.kind == trace.SpanKind.SERVER
+                    ):
                         otel_wsgi.add_custom_response_headers(
                             span, response_headers
                         )
@@ -204,7 +207,7 @@ def _wrapped_before_request(
                 ] = flask.request.url_rule.rule
             for key, value in attributes.items():
                 span.set_attribute(key, value)
-            if span.kind == trace.SpanKind.SERVER:
+            if span.is_recording() and span.kind == trace.SpanKind.SERVER:
                 otel_wsgi.add_custom_request_headers(
                     span, flask_request_environ
                 )

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

@@ -340,7 +340,7 @@ def _start_span(tracer, handler, start_time) -> _TraceContext:
         for key, value in attributes.items():
             span.set_attribute(key, value)
         span.set_attribute("tornado.handler", _get_full_handler_name(handler))
-        if span.kind == trace.SpanKind.SERVER:
+        if span.is_recording() and span.kind == trace.SpanKind.SERVER:
             _add_custom_request_headers(span, handler.request.headers)
 
     activation = trace.use_span(span, end_on_exit=True)
@@ -395,7 +395,7 @@ def _finish_span(tracer, handler, error=None):
                 description=otel_status_description,
             )
         )
-        if ctx.span.kind == trace.SpanKind.SERVER:
+        if ctx.span.is_recording() and ctx.span.kind == trace.SpanKind.SERVER:
             _add_custom_response_headers(ctx.span, handler._headers)
 
     ctx.activation.__exit__(*finish_args)  # pylint: disable=E1101