Using the AWS CDK Custom Resource Provider Framework
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The AWS Cloud Development Kit (CDK) is a popular tool for defining infrastructure as code (IaC) using familiar programming languages. One powerful feature of the CDK is the ability to define custom resources, which allow you to extend the capabilities of the CDK and integrate with other services and APIs.
In this post, we’ll explore the CDK custom resource provider framework, which makes it easy to create and manage custom resources in your CDK applications.
What are custom resources?
Custom resources are pieces of CloudFormation infrastructure that are created, updated, or deleted by an AWS Lambda function. You can use custom resources to perform tasks that are not directly supported by CloudFormation, such as interacting with third-party APIs or triggering other AWS services.
The custom resource provider framework
The CDK custom resource provider framework provides a simple, standardized way to implement and manage custom resources in your CDK applications. It includes the following components:
CustomResourceProviderclass, which defines the interface for creating and managing custom resources.
CustomResourceclass, which represents a custom resource in your CDK application.
CustomResourceProviderPropsinterface, which defines the properties that are passed to the
CustomResourceProviderclass when creating a custom resource.
To use the custom resource provider framework, you need to create a class that implements the
CustomResourceProvider interface and register it with the CDK. Then, you can use the
CustomResource class to create custom resources in your CDK application.
Here’s an example of how to create a custom resource provider and use it to create a custom resource:
With the custom resource provider framework, you can easily create and manage custom resources in your CDK applications, and take advantage of the full power of the CDK.
In this post, we’ve introduced the AWS CDK custom resource provider framework and shown how to use it to create and manage custom resources in your CDK applications. With the custom resource provider framework, you can easily extend the capabilities of the CDK and integrate with other services and APIs.