Source code for airflow.providers.amazon.aws.operators.sns

#
# 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.
"""Publish message to SNS queue."""
from __future__ import annotations

from typing import TYPE_CHECKING, Sequence

from airflow.models import BaseOperator
from airflow.providers.amazon.aws.hooks.sns import SnsHook

if TYPE_CHECKING:
    from airflow.utils.context import Context


[docs]class SnsPublishOperator(BaseOperator): """ Publish a message to Amazon SNS. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:SnsPublishOperator` :param aws_conn_id: aws connection to use :param target_arn: either a TopicArn or an EndpointArn :param message: the default message you want to send (templated) :param subject: the message subject you want to send (templated) :param message_attributes: the message attributes you want to send as a flat dict (data type will be determined automatically) """
[docs] template_fields: Sequence[str] = ("target_arn", "message", "subject", "message_attributes", "aws_conn_id")
[docs] template_ext: Sequence[str] = ()
[docs] template_fields_renderers = {"message_attributes": "json"}
def __init__( self, *, target_arn: str, message: str, subject: str | None = None, message_attributes: dict | None = None, aws_conn_id: str = "aws_default", **kwargs, ): super().__init__(**kwargs) self.target_arn = target_arn self.message = message self.subject = subject self.message_attributes = message_attributes self.aws_conn_id = aws_conn_id
[docs] def execute(self, context: Context): sns = SnsHook(aws_conn_id=self.aws_conn_id) self.log.info( "Sending SNS notification to %s using %s:\nsubject=%s\nattributes=%s\nmessage=%s", self.target_arn, self.aws_conn_id, self.subject, self.message_attributes, self.message, ) return sns.publish_to_target( target_arn=self.target_arn, message=self.message, subject=self.subject, message_attributes=self.message_attributes, )

Was this entry helpful?