Source code for airflow.providers.amazon.aws.operators.cloud_formation

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"""This module contains CloudFormation create/delete stack operators."""
from typing import TYPE_CHECKING, Optional, Sequence

from airflow.models import BaseOperator
from airflow.providers.amazon.aws.hooks.cloud_formation import CloudFormationHook

if TYPE_CHECKING:
    from airflow.utils.context import Context



[docs]class CloudFormationCreateStackOperator(BaseOperator):
    """
    An operator that creates a CloudFormation stack.

    .. seealso::
        For more information on how to use this operator, take a look at the guide:
        :ref:`howto/operator:CloudFormationCreateStackOperator`


    :param stack_name: stack name (templated)
    :param cloudformation_parameters: parameters to be passed to CloudFormation.
    :param aws_conn_id: aws connection to uses
    """


[docs]    template_fields: Sequence[str] = ('stack_name',)


[docs]    template_ext: Sequence[str] = ()


[docs]    ui_color = '#6b9659'


    def __init__(
        self, *, stack_name: str, cloudformation_parameters: dict, aws_conn_id: str = 'aws_default', **kwargs
    ):
        super().__init__(**kwargs)
        self.stack_name = stack_name
        self.cloudformation_parameters = cloudformation_parameters
        self.aws_conn_id = aws_conn_id


[docs]    def execute(self, context: 'Context'):
        self.log.info('CloudFormation parameters: %s', self.cloudformation_parameters)

        cloudformation_hook = CloudFormationHook(aws_conn_id=self.aws_conn_id)
        cloudformation_hook.create_stack(self.stack_name, self.cloudformation_parameters)




[docs]class CloudFormationDeleteStackOperator(BaseOperator):
    """
    An operator that deletes a CloudFormation stack.

    :param stack_name: stack name (templated)
    :param cloudformation_parameters: parameters to be passed to CloudFormation.

    .. seealso::
        For more information on how to use this operator, take a look at the guide:
        :ref:`howto/operator:CloudFormationDeleteStackOperator`

    :param aws_conn_id: aws connection to uses
    """


[docs]    template_fields: Sequence[str] = ('stack_name',)


[docs]    template_ext: Sequence[str] = ()


[docs]    ui_color = '#1d472b'


[docs]    ui_fgcolor = '#FFF'


    def __init__(
        self,
        *,
        stack_name: str,
        cloudformation_parameters: Optional[dict] = None,
        aws_conn_id: str = 'aws_default',
        **kwargs,
    ):
        super().__init__(**kwargs)
        self.cloudformation_parameters = cloudformation_parameters or {}
        self.stack_name = stack_name
        self.aws_conn_id = aws_conn_id


[docs]    def execute(self, context: 'Context'):
        self.log.info('CloudFormation Parameters: %s', self.cloudformation_parameters)

        cloudformation_hook = CloudFormationHook(aws_conn_id=self.aws_conn_id)
        cloudformation_hook.delete_stack(self.stack_name, self.cloudformation_parameters)

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