File size: 1,909 Bytes
b40c49c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | """
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.jsonschema.CfnLintKeyword import CfnLintKeyword
class DependsOn(CfnLintKeyword):
"""Check Base Resource Configuration"""
id = "E3005"
shortdesc = "Check DependsOn values for Resources"
description = "Check that the DependsOn values are valid"
source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-attribute-dependson.html"
tags = ["resources", "dependson"]
def __init__(self):
super().__init__(keywords=["Resources/*/DependsOn", "Resources/*/DependsOn/*"])
def validate(self, validator: Validator, s: Any, instance: Any, schema: Any):
if not validator.is_type(instance, "string"):
return
resources = list(validator.context.resources.keys())
if len(validator.context.path.path) > 1:
if (
isinstance(validator.context.path.path[1], str)
and validator.context.path.path[1] in resources
):
resources.remove(validator.context.path.path[1])
if instance not in resources:
yield ValidationError(
f"{instance!r} is not one of {resources!r}",
)
return
if not validator.cfn:
return
for scenario in validator.cfn.is_resource_available(
list(validator.context.path.path), instance
):
if scenario:
scenario_text = " and ".join(
[
f"when condition {k!r} is {scenario[k]!r}"
for k in sorted(scenario)
]
)
yield ValidationError(f"{instance!r} will not exist {scenario_text}")
|