fix(ingest/kafka):add poll for admin client for oauth_cb (#11985)

Co-authored-by: Tamas Nemeth <treff7es@gmail.com>

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

@@ -148,7 +148,7 @@ def get_kafka_consumer(
 ) -> confluent_kafka.Consumer:
     consumer = confluent_kafka.Consumer(
         {
-            "group.id": "test",
+            "group.id": "datahub-kafka-ingestion",
             "bootstrap.servers": connection.bootstrap,
             **connection.consumer_config,
         }
@@ -164,6 +164,25 @@ def get_kafka_consumer(
     return consumer
 
 
+def get_kafka_admin_client(
+    connection: KafkaConsumerConnectionConfig,
+) -> AdminClient:
+    client = AdminClient(
+        {
+            "group.id": "datahub-kafka-ingestion",
+            "bootstrap.servers": connection.bootstrap,
+            **connection.consumer_config,
+        }
+    )
+    if CallableConsumerConfig.is_callable_config(connection.consumer_config):
+        # As per documentation, we need to explicitly call the poll method to make sure OAuth callback gets executed
+        # https://docs.confluent.io/platform/current/clients/confluent-kafka-python/html/index.html#kafka-client-configuration
+        logger.debug("Initiating polling for kafka admin client")
+        client.poll(timeout=30)
+        logger.debug("Initiated polling for kafka admin client")
+    return client
+
+
 @dataclass
 class KafkaSourceReport(StaleEntityRemovalSourceReport):
     topics_scanned: int = 0
@@ -278,13 +297,7 @@ class KafkaSource(StatefulIngestionSourceBase, TestableSource):
     def init_kafka_admin_client(self) -> None:
         try:
             # TODO: Do we require separate config than existing consumer_config ?
-            self.admin_client = AdminClient(
-                {
-                    "group.id": "test",
-                    "bootstrap.servers": self.source_config.connection.bootstrap,
-                    **self.source_config.connection.consumer_config,
-                }
-            )
+            self.admin_client = get_kafka_admin_client(self.source_config.connection)
         except Exception as e:
             logger.debug(e, exc_info=e)
             self.report.report_warning(

metadata-ingestion/tests/integration/kafka/test_kafka.py

@@ -128,11 +128,32 @@ def test_kafka_oauth_callback(
 
     pipeline.run()
 
-    is_found: bool = False
-    with open(log_file, "r") as file:
-        for line_number, line in enumerate(file, 1):
-            if oauth.MESSAGE in line:
-                is_found = True
-                break
+    # Initialize flags to track oauth events
+    checks = {
+        "consumer_polling": False,
+        "consumer_oauth_callback": False,
+        "admin_polling": False,
+        "admin_oauth_callback": False,
+    }
 
-    assert is_found
+    # Read log file and check for oauth events
+    with open(log_file, "r") as file:
+        for line in file:
+            # Check for polling events
+            if "Initiating polling for kafka admin client" in line:
+                checks["admin_polling"] = True
+            elif "Initiating polling for kafka consumer" in line:
+                checks["consumer_polling"] = True
+
+            # Check for oauth callbacks
+            if oauth.MESSAGE in line:
+                if checks["consumer_polling"] and not checks["admin_polling"]:
+                    checks["consumer_oauth_callback"] = True
+                elif checks["consumer_polling"] and checks["admin_polling"]:
+                    checks["admin_oauth_callback"] = True
+
+    # Verify all oauth events occurred
+    assert checks["consumer_polling"], "Consumer polling was not initiated"
+    assert checks["consumer_oauth_callback"], "Consumer oauth callback not found"
+    assert checks["admin_polling"], "Admin polling was not initiated"
+    assert checks["admin_oauth_callback"], "Admin oauth callback not found"