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chime.py
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chime.py
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# 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 __future__ import annotations
from functools import cached_property
from typing import TYPE_CHECKING
from airflow.providers.amazon.aws.hooks.chime import ChimeWebhookHook
if TYPE_CHECKING:
from airflow.utils.context import Context
from airflow.notifications.basenotifier import BaseNotifier
class ChimeNotifier(BaseNotifier):
"""
Chime notifier to send messages to a chime room via callbacks.
:param chime_conn_id: The chime connection to use with Endpoint as "https://hooks.chime.aws" and
the webhook token in the form of ```{webhook.id}?token{webhook.token}```
:param message: The message to send to the chime room associated with the webhook.
"""
template_fields = ("message",)
def __init__(self, *, chime_conn_id: str, message: str = "This is the default chime notifier message"):
super().__init__()
self.chime_conn_id = chime_conn_id
self.message = message
@cached_property
def hook(self):
"""To reduce overhead cache the hook for the notifier."""
return ChimeWebhookHook(chime_conn_id=self.chime_conn_id)
def notify(self, context: Context) -> None: # type: ignore[override]
"""Send a message to a Chime Chat Room."""
self.hook.send_message(message=self.message)
send_chime_notification = ChimeNotifier