[GitHub] [airflow] dferguson992 commented on a change in pull request #7407: [AIRFLOW-6786] Add KafkaConsumerHook, KafkaProduerHook and KafkaSensor

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dferguson992 commented on a change in pull request #7407:
URL: https://github.com/apache/airflow/pull/7407#discussion_r422236286



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File path: airflow/providers/apache/kafka/hooks/kafka_consumer_hook.py
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@@ -0,0 +1,80 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+
+from kafka import KafkaConsumer
+
+from airflow.hooks.base_hook import BaseHook
+
+
+class KafkaConsumerHook(BaseHook):
+    """
+    KafkaConsumerHook Class.
+    """
+    DEFAULT_HOST = 'kafka1'
+    DEFAULT_PORT = 9092
+
+    def __init__(self, topic, host=DEFAULT_HOST, port=DEFAULT_PORT, kafka_conn_id='kafka_default'):
+        super(KafkaConsumerHook, self).__init__(None)
+        self.conn_id = kafka_conn_id
+        self._conn = None

Review comment:
       yeah if it's set externally by airflow connections it sets the hostname and port number.  if not, the defaults are used.




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