(aws-lambda): Add support for Function URLs

[ayush987goyal]

Describe the feature

Add support for creating function URLs through AWS CDK Lambda module: https://docs.aws.amazon.com/lambda/latest/dg/urls-configuration.html#urls-cfn

Use Case

Need an easy way to create Function URLs.

Proposed Solution

1. FunctionUrl should be added as a new resource under lambda module
2. A helper method of addUrl or configureUrl should be added to the Function
3. A configuration for function urls in the props to Function should be added to create URL at the time of creating Function

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change

CDK version used

2.x

Environment details (OS name and version, etc.)

All

[ayush987goyal]

The feature is currently not a part of the AWS CFN spec: https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json

Would need to wait for the spec to get updated (and available in CDK) before progressing on adding this feature.

[kaizencc]

I'll be on the lookout for the CFN update!

[illahi]

Confusing. This AWS blog seems to indicate it's already available: https://aws.amazon.com/blogs/aws/announcing-aws-lambda-function-urls-built-in-https-endpoints-for-single-function-microservices/.

You can start configuring Lambda Function URLs directly in your IaC templates today using AWS CloudFormation, AWS SAM, and AWS Cloud Development Kit (AWS CDK).

Looking forward to the feature.

[capaj]

@ayush987goyal it seems to be added now:

  "Attributes": {
        "FunctionArn": {
          "PrimitiveType": "String"
        },
        "FunctionUrl": {
          "PrimitiveType": "String"
        }
      }

[ayush987goyal]

@capaj Already WIP :D

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