""" Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. SPDX-License-Identifier: MIT-0 """ from typing import Any from cfnlint.jsonschema import ValidationError, Validator from cfnlint.rules import CloudFormationLintRule class DynamicReferenceSsmPath(CloudFormationLintRule): id = "E1052" shortdesc = "Validate dynamic references to SSM are in a valid location" description = ( "Dynamic references to SSM parameters are only supported " "in certain locations" ) source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/dynamic-references.html#dynamic-references-ssm" tags = ["functions", "dynamic reference"] def validate(self, validator: Validator, s: Any, instance: Any, schema: Any): if len(validator.context.path.path) > 0: if validator.context.path.path[0] == "Parameters": if len(validator.context.path.path) >= 3: if validator.context.path.path[2] in ["Default", "AllowedValues"]: return elif validator.context.path.path[0] == "Resources": if len(validator.context.path.path) >= 3: if validator.context.path.path[2] in ["Properties", "Metadata"]: return elif validator.context.path.path[0] == "Outputs": if len(validator.context.path.path) >= 3: if validator.context.path.path[2] in ["Value"]: return yield ValidationError( (f"Dynamic reference {instance!r} to SSM parameters are not allowed here"), rule=self, )