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82 lines
2.7 KiB
82 lines
2.7 KiB
# |
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# Licensed to the Apache Software Foundation (ASF) under one |
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# or more contributor license agreements. See the NOTICE file |
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# distributed with this work for additional information |
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# regarding copyright ownership. The ASF licenses this file |
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# to you under the Apache License, Version 2.0 (the |
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# "License"); you may not use this file except in compliance |
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# with the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, |
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# software distributed under the License is distributed on an |
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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# KIND, either express or implied. See the License for the |
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# specific language governing permissions and limitations |
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# under the License. |
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"""Publish message to SNS queue""" |
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from typing import Optional |
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from airflow.models import BaseOperator |
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from airflow.providers.amazon.aws.hooks.sns import AwsSnsHook |
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from airflow.utils.decorators import apply_defaults |
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class SnsPublishOperator(BaseOperator): |
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""" |
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Publish a message to Amazon SNS. |
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:param aws_conn_id: aws connection to use |
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:type aws_conn_id: str |
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:param target_arn: either a TopicArn or an EndpointArn |
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:type target_arn: str |
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:param message: the default message you want to send (templated) |
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:type message: str |
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:param subject: the message subject you want to send (templated) |
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:type subject: str |
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:param message_attributes: the message attributes you want to send as a flat dict (data type will be |
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determined automatically) |
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:type message_attributes: dict |
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""" |
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template_fields = ["message", "subject", "message_attributes"] |
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template_ext = () |
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@apply_defaults |
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def __init__( |
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self, |
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*, |
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target_arn: str, |
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message: str, |
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aws_conn_id: str = "aws_default", |
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subject: Optional[str] = None, |
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message_attributes: Optional[dict] = None, |
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**kwargs, |
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): |
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super().__init__(**kwargs) |
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self.target_arn = target_arn |
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self.message = message |
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self.subject = subject |
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self.message_attributes = message_attributes |
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self.aws_conn_id = aws_conn_id |
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def execute(self, context): |
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sns = AwsSnsHook(aws_conn_id=self.aws_conn_id) |
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self.log.info( |
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"Sending SNS notification to %s using %s:\nsubject=%s\nattributes=%s\nmessage=%s", |
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self.target_arn, |
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self.aws_conn_id, |
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self.subject, |
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self.message_attributes, |
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self.message, |
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) |
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return sns.publish_to_target( |
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target_arn=self.target_arn, |
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message=self.message, |
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subject=self.subject, |
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message_attributes=self.message_attributes, |
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)
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