| """ | |
| Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | |
| SPDX-License-Identifier: MIT-0 | |
| """ | |
| from typing import Any | |
| from cfnlint.jsonschema import Validator | |
| from cfnlint.rules import CloudFormationLintRule | |
| class Exists(CloudFormationLintRule): | |
| """Check if used Conditions are defined""" | |
| id = "E8002" | |
| shortdesc = "Check if the referenced Conditions are defined" | |
| description = ( | |
| "Making sure the used conditions are actually defined in the Conditions section" | |
| ) | |
| source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/conditions-section-structure.html" | |
| tags = ["conditions"] | |
| def cfncondition(self, validator: Validator, conditions, instance: Any, schema): | |
| if not validator.is_type(instance, "string"): | |
| return | |
| for err in validator.descend( | |
| instance, {"enum": list(validator.context.conditions.conditions.keys())} | |
| ): | |
| err.rule = self | |
| yield err | |