AWS CloudFormation Operators¶

AWS CloudFormation enables you to create and provision AWS infrastructure deployments predictably and repeatedly. It helps you leverage AWS products such as Amazon EC2, Amazon Elastic Block Store, Amazon SNS, Elastic Load Balancing, and Auto Scaling to build highly reliable, highly scalable, cost-effective applications in the cloud without worrying about creating and configuring the underlying AWS infrastructure. AWS CloudFormation enables you to use a template file to create and delete a collection of resources together as a single unit (a stack).

Prerequisite Tasks¶

To use these operators, you must do a few things:

Create necessary resources using AWS Console or AWS CLI.
Install API libraries via pip.
pip install 'apache-airflow[amazon]'
Detailed information is available Installation
Setup Connection.

AWS CloudFormation Create Stack Operator¶

To create a new AWS CloudFormation stack use CloudFormationCreateStackOperator.

airflow/providers/amazon/aws/example_dags/example_cloudformation.py[source]

create_stack = CloudFormationCreateStackOperator(
    task_id='create_stack',
    stack_name=CLOUDFORMATION_STACK_NAME,
    cloudformation_parameters=CLOUDFORMATION_CREATE_PARAMETERS,
)

AWS CloudFormation Create Stack Sensor¶

To wait on the state of an AWS CloudFormation stack creation until it reaches a terminal state you can use CloudFormationCreateStackSensor

airflow/providers/amazon/aws/example_dags/example_cloudformation.py[source]

wait_for_stack_create = CloudFormationCreateStackSensor(
    task_id='wait_for_stack_creation', stack_name=CLOUDFORMATION_STACK_NAME
)

AWS CloudFormation Delete Stack Operator¶

To delete an AWS CloudFormation stack you can use CloudFormationDeleteStackOperator.

airflow/providers/amazon/aws/example_dags/example_cloudformation.py[source]

delete_stack = CloudFormationDeleteStackOperator(
    task_id='delete_stack', stack_name=CLOUDFORMATION_STACK_NAME
)

AWS CloudFormation Delete Stack Sensor¶

To wait on the state of an AWS CloudFormation stack deletion until it reaches a terminal state you can use use CloudFormationDeleteStackSensor

airflow/providers/amazon/aws/example_dags/example_cloudformation.py[source]

wait_for_stack_delete = CloudFormationDeleteStackSensor(
    task_id='wait_for_stack_deletion', trigger_rule='all_done', stack_name=CLOUDFORMATION_STACK_NAME
)

Reference¶

For further information, look at:

Boto3 Library Documentation for CloudFormation