Source code for tests.system.providers.amazon.aws.example_cloudformation
# 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__importannotationsimportjsonfromdatetimeimportdatetimefromairflowimportDAGfromairflow.models.baseoperatorimportchainfromairflow.providers.amazon.aws.operators.cloud_formationimport(CloudFormationCreateStackOperator,CloudFormationDeleteStackOperator,)fromairflow.providers.amazon.aws.sensors.cloud_formationimport(CloudFormationCreateStackSensor,CloudFormationDeleteStackSensor,)fromairflow.utils.trigger_ruleimportTriggerRulefromtests.system.providers.amazon.aws.utilsimportSystemTestContextBuilder
# The CloudFormation template must have at least one resource to# be usable, this example uses SQS as a free and serverless option.
[docs]CLOUDFORMATION_TEMPLATE={"Description":"Stack from Airflow CloudFormation example DAG","Resources":{"ExampleQueue":{"Type":"AWS::SQS::Queue",}},}
env_id=test_context["ENV_ID"]cloudformation_stack_name=f"{env_id}-stack"cloudformation_create_parameters={"StackName":cloudformation_stack_name,"TemplateBody":json.dumps(CLOUDFORMATION_TEMPLATE),"TimeoutInMinutes":2,"OnFailure":"DELETE",# Don't leave stacks behind if creation fails.}# [START howto_operator_cloudformation_create_stack]create_stack=CloudFormationCreateStackOperator(task_id="create_stack",stack_name=cloudformation_stack_name,cloudformation_parameters=cloudformation_create_parameters,)# [END howto_operator_cloudformation_create_stack]# [START howto_sensor_cloudformation_create_stack]wait_for_stack_create=CloudFormationCreateStackSensor(task_id="wait_for_stack_create",stack_name=cloudformation_stack_name,)# [END howto_sensor_cloudformation_create_stack]wait_for_stack_create.poke_interval=10# [START howto_operator_cloudformation_delete_stack]delete_stack=CloudFormationDeleteStackOperator(task_id="delete_stack",stack_name=cloudformation_stack_name,)# [END howto_operator_cloudformation_delete_stack]delete_stack.trigger_rule=TriggerRule.ALL_DONE# [START howto_sensor_cloudformation_delete_stack]wait_for_stack_delete=CloudFormationDeleteStackSensor(task_id="wait_for_stack_delete",stack_name=cloudformation_stack_name,)# [END howto_sensor_cloudformation_delete_stack]wait_for_stack_delete.poke_interval=10chain(# TEST SETUPtest_context,# TEST BODYcreate_stack,wait_for_stack_create,delete_stack,wait_for_stack_delete,)fromtests.system.utils.watcherimportwatcher# This test needs watcher in order to properly mark success/failure# when "tearDown" task with trigger rule is part of the DAGlist(dag.tasks)>>watcher()fromtests.system.utilsimportget_test_run# noqa: E402# Needed to run the example DAG with pytest (see: tests/system/README.md#run_via_pytest)