Apache Airflow dags w/ backend configuration bundle.
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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.
"""This module contains CloudFormation create/delete stack operators."""
from typing import List, Optional
from airflow.models import BaseOperator
from airflow.providers.amazon.aws.hooks.cloud_formation import AWSCloudFormationHook
from airflow.utils.decorators import apply_defaults
class CloudFormationCreateStackOperator(BaseOperator):
"""
An operator that creates a CloudFormation stack.
:param stack_name: stack name (templated)
:type stack_name: str
:param params: parameters to be passed to CloudFormation.
.. seealso::
https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/cloudformation.html#CloudFormation.Client.create_stack
:type params: dict
:param aws_conn_id: aws connection to uses
:type aws_conn_id: str
"""
template_fields: List[str] = ["stack_name"]
template_ext = ()
ui_color = "#6b9659"
@apply_defaults
def __init__(
self,
*,
stack_name: str,
params: dict,
aws_conn_id: str = "aws_default",
**kwargs
):
super().__init__(**kwargs)
self.stack_name = stack_name
self.params = params
self.aws_conn_id = aws_conn_id
def execute(self, context):
self.log.info("Parameters: %s", self.params)
cloudformation_hook = AWSCloudFormationHook(aws_conn_id=self.aws_conn_id)
cloudformation_hook.create_stack(self.stack_name, self.params)
class CloudFormationDeleteStackOperator(BaseOperator):
"""
An operator that deletes a CloudFormation stack.
:param stack_name: stack name (templated)
:type stack_name: str
:param params: parameters to be passed to CloudFormation.
.. seealso::
https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/cloudformation.html#CloudFormation.Client.delete_stack
:type params: dict
:param aws_conn_id: aws connection to uses
:type aws_conn_id: str
"""
template_fields: List[str] = ["stack_name"]
template_ext = ()
ui_color = "#1d472b"
ui_fgcolor = "#FFF"
@apply_defaults
def __init__(
self,
*,
stack_name: str,
params: Optional[dict] = None,
aws_conn_id: str = "aws_default",
**kwargs
):
super().__init__(**kwargs)
self.params = params or {}
self.stack_name = stack_name
self.aws_conn_id = aws_conn_id
def execute(self, context):
self.log.info("Parameters: %s", self.params)
cloudformation_hook = AWSCloudFormationHook(aws_conn_id=self.aws_conn_id)
cloudformation_hook.delete_stack(self.stack_name, self.params)