[GitHub] [airflow] zhongjiajie commented on a change in pull request #4967: [AIRFLOW-4147] Operator to publish event to Redis

[GitBox <gi...@apache.org>]

zhongjiajie commented on a change in pull request #4967: [AIRFLOW-4147] Operator to publish event to Redis
URL: https://github.com/apache/airflow/pull/4967#discussion_r278085977
 
 

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 File path: airflow/contrib/operators/redis_publish_operator.py
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 @@ -0,0 +1,65 @@
+# -*- coding: utf-8 -*-
+#
+# 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 airflow.utils.decorators import apply_defaults
+from airflow.contrib.hooks.redis_hook import RedisHook
+from airflow.models import BaseOperator
+
+
+class RedisPublishOperator(BaseOperator):
+    """
+    Publish a message to Redis.
+
+    :param channel: redis channel to which the message is published (templated)
+    :type channel: str
+    :param message: the message to publish (templated)
+    :type message: str
+    :param redis_conn_id: redis connection to use
+    :type redis_conn_id: str
+    """
+
+    template_fields = ('channel', 'message')
+
+    @apply_defaults
+    def __init__(
+            self,
+            channel,
+            message,
+            redis_conn_id='redis_default',
+            *args, **kwargs):
+
+        super(RedisPublishOperator, self).__init__(*args, **kwargs)
 
 Review comment:
   after https://github.com/apache/airflow/pull/5143 was merge.

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