| """ | |
| 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.helpers import FUNCTION_RULES | |
| from cfnlint.jsonschema import Validator | |
| from cfnlint.rules.functions._BaseFn import BaseFn | |
| class Not(BaseFn): | |
| """Check Not Condition Function Logic""" | |
| id = "E8005" | |
| shortdesc = "Check Fn::Not structure for validity" | |
| description = "Check Fn::Not is a list of one element" | |
| source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-conditions.html#intrinsic-function-reference-conditions-not" | |
| tags = ["functions", "not"] | |
| def __init__(self) -> None: | |
| super().__init__("Fn::Not", ("boolean",)) | |
| self.fn_not = self.validate | |
| def schema(self, validator: Validator, instance: Any) -> dict[str, Any]: | |
| if validator.context.path.path and validator.context.path.path[0] == "Rules": | |
| functions = list(FUNCTION_RULES) | |
| else: | |
| functions = [ | |
| "Condition", | |
| "Fn::Equals", | |
| "Fn::Not", | |
| "Fn::And", | |
| "Fn::Or", | |
| ] | |
| return { | |
| "type": "array", | |
| "maxItems": 1, | |
| "minItems": 1, | |
| "fn_items": { | |
| "functions": functions, | |
| "schema": { | |
| "type": ["boolean"], | |
| }, | |
| }, | |
| } | |