Write S3 objects with CDK

Question

I am trying to code a CDK doing the job of writing some empty objects inside some folders that I need to be visible in my bucket.

I have found this answer https://serverfault.com/questions/957686/how-to-upload-a-file-into-s3-bucket-using-cloudformation-script showing the way in CloudFormation.

I wonder if somebody has done something similar with CDK.

Thank you

Answer 1

You can achieve this with @aws-cdk/aws-s3-deployment.

Using TypeScript:

import s3 = require('@aws-cdk/aws-s3');
import s3deploy = require('@aws-cdk/aws-s3-deployment');

const myBucket = new s3.Bucket(this, 'Bucket');

new s3deploy.BucketDeployment(this, 'DeployFiles', {
  sources: [s3deploy.Source.asset('./folder')], // 'folder' contains your empty files at the right locations
  destinationBucket: bucket,
});

Asset feature will require the execution of the command:

cdk bootstrap aws://<account>/<region>

that will run a cloudFormation and create a bucket with name cdktoolkit-stagingbucket-<random_chars>.