Handle CFN template values being represented as symbols #100
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Psych will interpret unquoted YAML values starting with a ':' character as a Ruby symbol. Avoid raising an error in this scenario, add Symbol to the list of permitted classes when loading CloudFormation YAML templates.
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@arothian: This should help with stelligent/cfn_nag#599 |
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Thanks @orien |
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Context
Psych will interpret unquoted YAML values starting with a
:character as a Ruby symbol.Symbolisn't listed as a permitted class when loading CloudFormation templates, so an error is raised.This is an issue since YAML safe loading was introduced #98.
Change
Avoid raising an error in this scenario, add
Symbolto the list of permitted classes when loading CloudFormation YAML templates.