Source code for airflow.providers.redis.operators.redis_publish

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from typing import TYPE_CHECKING, Sequence

from airflow.models import BaseOperator
from airflow.providers.redis.hooks.redis import RedisHook

if TYPE_CHECKING:
    from airflow.utils.context import Context


[docs]class RedisPublishOperator(BaseOperator): """ Publish a message to Redis. :param channel: redis channel to which the message is published (templated) :param message: the message to publish (templated) :param redis_conn_id: redis connection to use """
[docs] template_fields: Sequence[str] = ('channel', 'message')
def __init__(self, *, channel: str, message: str, redis_conn_id: str = 'redis_default', **kwargs) -> None: super().__init__(**kwargs) self.redis_conn_id = redis_conn_id self.channel = channel self.message = message
[docs] def execute(self, context: 'Context') -> None: """ Publish the message to Redis channel :param context: the context object """ redis_hook = RedisHook(redis_conn_id=self.redis_conn_id) self.log.info('Sending message %s to Redis on channel %s', self.message, self.channel) result = redis_hook.get_conn().publish(channel=self.channel, message=self.message) self.log.info('Result of publishing %s', result)

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