""" Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. SPDX-License-Identifier: MIT-0 """ from cfnlint.rules import CloudFormationLintRule, RuleMatch class RefInCondition(CloudFormationLintRule): """Check if Ref value is a string""" id = "E1026" shortdesc = "Cannot reference resources in the Conditions block of the template" description = "Check that any Refs in the Conditions block uses no resources" source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-conditions.html#w2ab2c21c28c21c45" tags = ["conditions", "functions", "ref"] def match(self, cfn): matches = [] ref_objs = cfn.search_deep_keys("Ref") resource_names = cfn.get_resource_names() for ref_obj in ref_objs: if ref_obj[0] == "Conditions": value = ref_obj[-1] if isinstance(value, (str, int)): if value in resource_names: message = "Cannot reference resource {0} in the Conditions block of the template at {1}" matches.append( RuleMatch( ref_obj[:-1], message.format(value, "/".join(map(str, ref_obj[:-1]))), ) ) return matches
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Base64.py | File | 1.72 KB | 0644 |
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Cidr.py | File | 11.94 KB | 0644 |
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DynamicReferenceSecureString.py | File | 5.72 KB | 0644 |
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FindInMap.py | File | 11.25 KB | 0644 |
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FindInMapKeys.py | File | 3.89 KB | 0644 |
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GetAtt.py | File | 6.05 KB | 0644 |
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GetAz.py | File | 2.76 KB | 0644 |
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If.py | File | 1.45 KB | 0644 |
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ImportValue.py | File | 2.45 KB | 0644 |
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Join.py | File | 8.63 KB | 0644 |
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Length.py | File | 3.31 KB | 0644 |
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Not.py | File | 978 B | 0644 |
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Ref.py | File | 1.02 KB | 0644 |
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RefExist.py | File | 1.26 KB | 0644 |
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RefInCondition.py | File | 1.36 KB | 0644 |
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RelationshipConditions.py | File | 5.35 KB | 0644 |
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Select.py | File | 4.41 KB | 0644 |
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Split.py | File | 3.11 KB | 0644 |
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Sub.py | File | 9.49 KB | 0644 |
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SubNeeded.py | File | 5.48 KB | 0644 |
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SubNotJoin.py | File | 2 KB | 0644 |
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SubParametersUsed.py | File | 1.4 KB | 0644 |
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SubUnneeded.py | File | 1.27 KB | 0644 |
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ToJsonString.py | File | 1.75 KB | 0644 |
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__init__.py | File | 106 B | 0644 |
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