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AWS Cfn Lint Atom

Preview

Provides IDE specific integration to cfn-lint. https://github.com/awslabs/cfn-python-lint

Requires

cfn-lint

For atom-cfn-lint to work you need to have cfn-lint installed. pip install cfn-lint

Verify Installation

JSON/YAML Templates

Atom-cfn-lint is coded to work with JSON and YAML files but the goal is to only scan CloudFormation templates. As a result we look for AWSTemplateFormatVersion being defined in the file. CloudFormation only requires Resources to be defined but this is too generic for assuming that the file is a CloudFormation template.

Example

You can use the following example to verify that the installation was successful:

AWSTemplateFormatVersion: "2010-09-09"
Resources:
  # Unsupported Type "AWS::EC2::Instance1"
  MyEC2Instance1:
    Type: "AWS::EC2::Instance1"

Result (Type is marked as an error):

Result

See Templates for more examples.

License

This library is licensed under the Apache 2.0 License.