Source code for airflow.contrib.operators.redis_publish_operator

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from airflow.utils.decorators import apply_defaults
from airflow.contrib.hooks.redis_hook import RedisHook
from airflow.models import BaseOperator

[docs]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 """
[docs] template_fields = ('channel', 'message')
@apply_defaults def __init__( self, channel, message, redis_conn_id='redis_default', *args, **kwargs): super(RedisPublishOperator, self).__init__(*args, **kwargs) self.redis_conn_id = redis_conn_id = channel self.message = message
[docs] def execute(self, context): """ Publish the message to Redis channel :param context: the context object :type context: dict """ redis_hook = RedisHook(redis_conn_id=self.redis_conn_id)'Sending messsage %s to Redis on channel %s', self.message, result = redis_hook.get_conn().publish(, message=self.message)'Result of publishing %s', result)

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