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Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: MIT-0
"""
from cfnlint.jsonschema._keywords import pattern
from cfnlint.rules import CloudFormationLintRule
class ValuePattern(CloudFormationLintRule):
"""Check if parameters have a valid value"""
id = "W2031"
shortdesc = "Check if parameters have a valid value based on an allowed pattern"
description = (
"Check if parameters have a valid value in a pattern. The Parameter's allowed"
" pattern is based on the usages in property (Ref)"
)
source_url = "https://github.com/aws-cloudformation/cfn-lint/blob/main/docs/cfn-schema-specification.md#pattern"
tags = ["parameters", "resources", "property", "pattern"]
# This rule is triggered from the equivalent rule E3031
# the values are fed from there and we adjust the error outputs
# appropriately
# pylint: disable=unused-argument, arguments-renamed
def pattern(self, validator, patrn, instance, schema):
for err in pattern(validator, patrn, instance, schema):
err.rule = self
err.path_override = validator.context.path.value_path
yield err
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