| """ |
| Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| SPDX-License-Identifier: MIT-0 |
| """ |
|
|
| from cfnlint.helpers import valid_snapshot_types |
| from cfnlint.jsonschema import Validator |
| from cfnlint.rules.jsonschema.CfnLintJsonSchema import CfnLintJsonSchema |
|
|
|
|
| class DeletionPolicy(CfnLintJsonSchema): |
| """Check Base Resource Configuration""" |
|
|
| id = "E3035" |
| shortdesc = "Check DeletionPolicy values for Resources" |
| description = "Check that the DeletionPolicy values are valid" |
| source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-attribute-deletionpolicy.html" |
| tags = ["resources", "deletionpolicy"] |
|
|
| def __init__(self) -> None: |
| super().__init__( |
| keywords=["Resources/*/DeletionPolicy"], |
| all_matches=True, |
| ) |
|
|
| |
| def validate(self, validator: Validator, dP: str, instance, schema): |
| enum = ["Delete", "Retain", "RetainExceptOnCreate"] |
| resource_name = validator.context.path.path[1] |
| if ( |
| isinstance(resource_name, str) |
| and validator.context.resources[resource_name].type in valid_snapshot_types |
| ): |
| enum.append("Snapshot") |
|
|
| validator = validator.evolve( |
| context=validator.context.evolve( |
| functions=[ |
| "Fn::Sub", |
| "Fn::Select", |
| "Fn::FindInMap", |
| "Fn::If", |
| "Ref", |
| ] |
| ), |
| schema={"type": "string", "enum": enum}, |
| ) |
|
|
| yield from self._iter_errors(validator, instance) |
|
|
