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Add support for template urls in cfn validation (#3089)

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Added as boto supports both TemplateBody and TemplateUrl

* Adds TemplateURL as a validate_template option
* Adds a test to validate this
This commit is contained in:
Shane Dowling 2020-06-26 14:01:57 +01:00 • committed by GitHub
commit 80c53d8b5a
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2 changed files with 27 additions and 5 deletions
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13
moto/cloudformation/responses.py
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@ -351,18 +351,21 @@ class CloudFormationResponse(BaseResponse):
return template.render(exports=exports, next_token=next_token)
def validate_template(self):
cfn_lint = self.cloudformation_backend.validate_template(
self._get_param("TemplateBody")
)
template_body = self._get_param("TemplateBody")
template_url = self._get_param("TemplateURL")
if template_url:
template_body = self._get_stack_from_s3_url(template_url)
cfn_lint = self.cloudformation_backend.validate_template(template_body)
if cfn_lint:
raise ValidationError(cfn_lint[0].message)
description = ""
try:
description = json.loads(self._get_param("TemplateBody"))["Description"]
description = json.loads(template_body)["Description"]
except (ValueError, KeyError):
pass
try:
description = yaml.load(self._get_param("TemplateBody"))["Description"]
description = yaml.load(template_body)["Description"]
except (yaml.ParserError, KeyError):
pass
template = self.response_template(VALIDATE_STACK_RESPONSE_TEMPLATE)