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AWS CloudFormation Macros

NOTE that this repository is being archived in favor of similar content located here:

https://github.com/aws-cloudformation/aws-cloudformation-templates/tree/main/aws/services/CloudFormation/MacrosExamples

This repository hosts examples of AWS CloudFormation macros.

Contents

  • Boto3

    The Boto3 macro adds the ability to create CloudFormation resources that represent operations performed by boto3. Each Boto3 resource represents one function call.

  • Count

    The Count macro provides a template-wide Count property for CloudFormation resources. It allows you to specify multiple resources of the same type without having to cut and paste.

  • ExecutionRoleBuilder

    The Execution Role Builder macro provides a more natural syntax for developers to express the permissions they want to attach to IAM execution roles for their applications, while simultaneously providing IAM administrators with a way to templatize those permissions. When used in conjunction with permission boundaries, this provides an effective solution for delegated role creation.

  • Explode

    The Explode macro provides a template-wide Explode property for CloudFormation resources. Similar to the Count macro, it will create multiple copies of a template Resource, but looks up values to inject into each copy in a Mapping.

  • Public-and-Private-Subnet-per-AZ

    This is a Cloudformation Macro used to dynamically add a public and private subnet per Availability Zone when launching a template. When the CreateStack template is launched and a change set is created, the Macro (named 'CreateSubnetsPerAZ') will dynamically add resources to the template for a public and private subnet per available AZ

  • PyPlate

    Run arbitrary python code in your CloudFormation templates

  • S3Objects

    The S3Objects macro adds a new resource type: AWS::S3::Object which you can use to populate an S3 bucket.

  • ShortHand

    The ShortHand macro provides convenience syntax to allow you to create short CloudFormation templates that expand into larger documents upon deployment to a stack.

  • StackMetrics

    When the StackMetrics macro is used in a CloudFormation template, any CloudFormation stack deployed from that template will output custom CloudWatch metrics for the stack.

  • StringFunctions

    Provides string transformation utility functions.

License

This library is licensed under the Apache 2.0 License.