cdk-assets: allow publish to local directory

[ArneOttenVW]

Describe the feature

Give cdk-assets a new option to not upload to cdk S3 bucket, but just keep the bundles on a local directory.

For example

cdk-assets local path/to/assets.json

Use Case

We are running a company-wide service on which people can pick a product to test out for a few days. For that, an AWS account gets provisioned and the product is deployed with cloudformation. For this, we need the json files and assets that cdk pushed to the cdk bucket.

Currently, we use cdk-assets publish to publish our product to a dev account, then redownload it and provide it as a product to the service. We would like to do this without the dev account so we can integrate it into our build pipeline more easily.

Proposed Solution

I did not take an extensive look at the code yet but just before upload, the files must be somewhere on the local drive. Just stop the process there and don't the delete the local files.

Other Information

No response

Acknowledgements

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

CDK version used

2.84.0

Environment details (OS name and version, etc.)

Xubuntu 22.04

[pahud]

cdk-assets essentially publish the cloud assembly from cdk.out based on the manifest file and everything should already be in cdk.out directory. I guess everything you need should already be there.

[github-actions]

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