| """ |
| Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| SPDX-License-Identifier: MIT-0 |
| """ |
|
|
| from __future__ import annotations |
|
|
| from typing import Any |
|
|
| from cfnlint.jsonschema import Validator |
| from cfnlint.rules.jsonschema.CfnLintJsonSchema import CfnLintJsonSchema |
|
|
|
|
| class CreationPolicy(CfnLintJsonSchema): |
| id = "E3055" |
| shortdesc = "Check CreationPolicy values for Resources" |
| description = "Check that the CreationPolicy values are valid" |
| source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-attribute-creationpolicy.html" |
| tags = ["resources", "creationPolicy"] |
|
|
| def __init__(self) -> None: |
| super().__init__( |
| keywords=["Resources/*/CreationPolicy"], |
| all_matches=True, |
| ) |
|
|
| def _get_schema(self, resource_type: str) -> dict[str, Any]: |
| if resource_type == "AWS::AppStream::Fleet": |
| return { |
| "type": "object", |
| "additionalProperties": False, |
| "properties": { |
| "StartFleet": { |
| "additionalProperties": False, |
| "type": "object", |
| "properties": {"Type": {"type": "boolean"}}, |
| } |
| }, |
| } |
| if resource_type == "AWS::AutoScaling::AutoScalingGroup": |
| return { |
| "type": "object", |
| "additionalProperties": False, |
| "properties": { |
| "AutoScalingCreationPolicy": { |
| "type": "object", |
| "additionalProperties": False, |
| "properties": { |
| "MinSuccessfulInstancesPercent": {"type": "integer"} |
| }, |
| }, |
| "ResourceSignal": { |
| "additionalProperties": False, |
| "type": "object", |
| "properties": { |
| "Timeout": {"type": "string"}, |
| "Count": {"type": "integer"}, |
| }, |
| }, |
| }, |
| } |
| if resource_type == "AWS::CloudFormation::WaitCondition": |
|
|
| return { |
| "type": "object", |
| "additionalProperties": False, |
| "properties": { |
| "ResourceSignal": { |
| "additionalProperties": False, |
| "type": "object", |
| "properties": { |
| "Timeout": {"type": "string"}, |
| "Count": {"type": "integer"}, |
| }, |
| } |
| }, |
| } |
|
|
| return {} |
|
|
| |
| def validate(self, validator: Validator, dP: str, instance, schema): |
| resource_name = validator.context.path.path[1] |
| if not isinstance(resource_name, str): |
| return |
| resource_type = validator.context.resources[resource_name].type |
|
|
| validator = validator.evolve( |
| context=validator.context.evolve( |
| functions=[ |
| "Fn::Sub", |
| "Fn::Select", |
| "Fn::FindInMap", |
| "Fn::If", |
| "Ref", |
| ], |
| strict_types=False, |
| ), |
| schema=self._get_schema(resource_type), |
| ) |
|
|
| yield from self._iter_errors(validator, instance) |
|
|
