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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
import cfnlint.data.schemas.other.parameters
from cfnlint.jsonschema import Validator
from cfnlint.jsonschema._keywords import patternProperties
from cfnlint.jsonschema._keywords_cfn import cfn_type
from cfnlint.rules.jsonschema.CfnLintJsonSchema import CfnLintJsonSchema, SchemaDetails
class Configuration(CfnLintJsonSchema):
"""Check if Parameters are configured correctly"""
id = "E2001"
shortdesc = "Parameters have appropriate properties"
description = "Making sure the parameters are properly configured"
source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/parameters-section-structure.html"
tags = ["parameters"]
def __init__(self):
"""Init"""
super().__init__(
keywords=["Parameters"],
schema_details=SchemaDetails(
cfnlint.data.schemas.other.parameters, "configuration.json"
),
all_matches=True,
)
self.rule_set = {
"maxLength": "E2011",
"maxProperties": "E2010",
"minProperties": "E2010",
"pattern": "E2003",
"enum": "E2002",
}
self.child_rules = dict.fromkeys(list(self.rule_set.values()))
self.validators = {
"type": cfn_type,
"patternProperties": self._pattern_properties,
}
def _pattern_properties(
self, validator: Validator, aP: Any, instance: Any, schema: Any
):
# We have to rework pattern properties
# to re-add the keyword or we will have an
# infinite loop
validator = validator.evolve(
function_filter=validator.function_filter.evolve(
add_cfn_lint_keyword=False,
)
)
yield from patternProperties(validator, aP, instance, schema)
def validate(self, validator: Validator, _: Any, instance: Any, schema: Any):
cfn_validator = self.extend_validator(
validator=validator,
schema=self._schema,
context=validator.context,
).evolve(
context=validator.context.evolve(strict_types=False),
function_filter=validator.function_filter.evolve(
add_cfn_lint_keyword=False,
),
)
for err in super()._iter_errors(cfn_validator, instance):
# we use enum twice. Once for the type and once for the property
# names. There are separate error numbers so we do this.
if "propertyNames" in err.schema_path and "enum" in err.schema_path:
err.rule = self
yield err
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