fix(gcp): Inject scopes in TimeoutThread exception with GCP (#4959)

Restore ServerlessTimeoutWarning isolation and current scope handling, so the scopes are active in a GCP function and breadcrumbs and tags are applied on timeout. The behavior is restored to that before 2d392af.

Closes #4958.

Author: alexander-alderman-webb

sentry_sdk/integrations/gcp.py

@@ -75,7 +75,12 @@ def sentry_func(functionhandler, gcp_event, *args, **kwargs):
                 ):
                     waiting_time = configured_time - TIMEOUT_WARNING_BUFFER
 
-                    timeout_thread = TimeoutThread(waiting_time, configured_time)
+                    timeout_thread = TimeoutThread(
+                        waiting_time,
+                        configured_time,
+                        isolation_scope=scope,
+                        current_scope=sentry_sdk.get_current_scope(),
+                    )
 
                     # Starting the thread to raise timeout warning exception
                     timeout_thread.start()

tests/integrations/gcp/test_gcp.py

@@ -196,6 +196,7 @@ def test_timeout_error(run_cloud_function):
         functionhandler = None
         event = {}
         def cloud_function(functionhandler, event):
+            sentry_sdk.set_tag("cloud_function", "true")
             time.sleep(10)
             return "3"
         """
@@ -219,6 +220,8 @@ def cloud_function(functionhandler, event):
     assert exception["mechanism"]["type"] == "threading"
     assert not exception["mechanism"]["handled"]
 
+    assert envelope_items[0]["tags"]["cloud_function"] == "true"
+
 
 def test_performance_no_error(run_cloud_function):
     envelope_items, _ = run_cloud_function(