fix(tableau): retry on InternalServerError 504

metadata-ingestion/src/datahub/ingestion/source/tableau/tableau.py

@@ -35,7 +35,10 @@
     SiteItem,
     TableauAuth,
 )
-from tableauserverclient.server.endpoint.exceptions import NonXMLResponseError
+from tableauserverclient.server.endpoint.exceptions import (
+    InternalServerError,
+    NonXMLResponseError,
+)
 from urllib3 import Retry
 
 import datahub.emitter.mce_builder as builder
@@ -1196,6 +1199,22 @@ def get_connection_object_page(
                 retry_on_auth_error=False,
                 retries_remaining=retries_remaining - 1,
             )
+
+        except InternalServerError as ise:
+            # In some cases Tableau Server returns 504 error, which is a timeout error, so it worths to retry.
+            if ise.code == 504:
+                if retries_remaining <= 0:
+                    raise
+                return self.get_connection_object_page(
+                    query=query,
+                    connection_type=connection_type,
+                    query_filter=query_filter,
+                    fetch_size=fetch_size,
+                    current_cursor=current_cursor,
+                    retry_on_auth_error=False,
+                    retries_remaining=retries_remaining - 1,
+                )
+
         except OSError:
             # In tableauseverclient 0.26 (which was yanked and released in 0.28 on 2023-10-04),
             # the request logic was changed to use threads.