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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 REGIONS
from cfnlint.jsonschema import Validator
from cfnlint.rules.functions._BaseFn import BaseFn
class GetAz(BaseFn):
"""Check if GetAz values are correct"""
id = "E1015"
shortdesc = "GetAz validation of parameters"
description = "Making sure the GetAz function is properly configured"
source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-getavailabilityzones.html"
tags = ["functions", "getaz"]
def __init__(self) -> None:
super().__init__("Fn::GetAZs", ("array",), ("Ref",), resolved_rule="W1036")
self.fn_getazs = self.validate
def schema(self, validator: Validator, instance: Any) -> dict[str, Any]:
return {
"type": ["string"],
"enum": [""] + REGIONS,
}
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