""" Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. SPDX-License-Identifier: MIT-0 """ from typing import Any from cfnlint.jsonschema.protocols import Validator from cfnlint.rules.jsonschema.CfnLintKeyword import CfnLintKeyword class InterfaceParameterExists(CfnLintKeyword): """Check if Metadata Interface parameters exist""" id = "W4001" shortdesc = "Metadata Interface parameters exist" description = "Metadata Interface parameters actually exist" source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-cloudformation-interface.html" tags = ["metadata"] valid_keys = ["ParameterGroups", "ParameterLabels"] def __init__(self) -> None: super().__init__() self.keywords = [ "cfnParameter", ] def validate(self, validator: Validator, _, instance: Any, schema): for err in validator.descend( instance, schema={"enum": list(validator.context.parameters.keys())} ): err.rule = self yield err