@pmoscode/auto-delete-bucket v1.203.0
What it does
Creates an S3 bucket in Cloud Formation that will automatically be emptied before the bucket is destroyed by Cloud Formation.
Fork of the lib: https://www.npmjs.com/package/@mobileposse/auto-delete-bucket
There is a slight change in configuring the auto deletion: Only when 'removalPolicy' is set to 'RemovalPolicy.DESTROY' (which is default here) the bucket is purged before removal.
In other words: When you set 'removalPolicy' anything else than 'RemovalPolicy.DESTROY', the bucket behaves like the original AWS CDK Bucket construct. (No custom resources are deployed)
How to use it
This is an AWS CDK Construct which makes it dead simple to use in your CDK code.
Just install with npm:
npm install @pmoscode/auto-delete-bucket --save
or yarn:
yarn add @pmoscode/auto-delete-bucket
And then require the construct and use it in your stack like any standard CDK resource!
import { AutoDeleteBucket } from '@pmoscode/auto-delete-bucket'
export class ExampleStack extends Stack {
constructor(scope: App, id: string, props?: StackProps) {
super(scope, id, props)
/**
* NOTE: S3 requires bucket names to be globally unique across accounts so
* you will need to change the bucketName to something that nobody else is
* using.
*
* Per default: 'removalPolicy' is set to 'RemovalPolicy.DESTROY'
*/
new AutoDeleteBucket(this, 'example-autobucket-1', {
bucketName: 'autoexample-bucket1'
})
}
}
See the example directory for a simple CDK example. Be sure to change the bucketNames
so they are unique.
The bucket can be configured with any of the standard CDK Bucket Properties.
Remarks
- This is designed to work with AWS CDK but feel free to borrow the code if you want to create the custom CF resource some other way.
Versioning
Version numbers are consistent with the major and minor version numbers of the corresponding AWS CDK version that this module is compatible with. In other words, version 1.1.X would be compatible with aws-cdk 1.1.X. Patch versions will inevitably vary between the two project but as long as you are using a version consistent with the major and minor version of the CDK version you are using you should be good.
Motivation
Cloud Formation will often fail to actually delete your S3 Bucket resources when you destroy your stack. This happens whenever the bucket is not empty as the Cloud Formation documentation clearly states:
You can only delete empty buckets. Deletion fails for buckets that have contents.
We find that in most of our use cases, we want to automatically delete the bucket, and it's contents whenever the stack is deleted. Otherwise, you will have a bunch of orphaned buckets to clean up manually. The problem is even worse when you need to explicitly name the bucket (ex. for a website), because you won't be able to recreate the stack due to the fact that a bucket already exists with that name.
How it Works
Create a custom resource that will automatically delete your bucket contents before attempting bucket deletion.
Running Tests
yarn test
Building the Example Stack
The source code includes a reference CDK project inside the example
directory which consists of a single auto-delete-bucket
.
You can build the stack with:
yarn cdk:deploy
Go ahead and test this bucket out by adding some files to it. You can then test that everything will delete properly by destroying the stack (and bucket) with:
yarn cdk:destroy
Publish to NPM (Official maintainers only)
Add npm user to your local machine (one time setup)
npm adduser
Push the release (you will be asked the new version)
npm login
Then provide username and password. Once authenticated use the following command:
npm publish --access public
Push the tagged source back up to Gitlab
git push --tags
More Information
See the AWS documentation for more information on S3 and deleting bucket contents.
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