aws-cdk-lib: to use nodejs18

[beaumsc]

Describe the feature

As a python developer wishing to use cdk for python, I want common services built by the cdk using NodeJS to be based on a non-deprecated version of NodeJS and certainly not version 14 which is soon to be unsupported by AWS.

Given latest version version of cdk installed
When cdk init app --language python is issued on a new folder
And pip install -r requirements.txt is issued
Then all references to runtime=" for installed files within .../.venv/lib/python3.x/site-packages/aws_cdk/ specify NODEJS_18_X

Use Case

I want to use cdk for my AWS deployments and this will soon not be possible [1].

[1] https://endoflife.date/nodejs

Proposed Solution

NodeJS v18

Other Information

No response

Acknowledgements

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

CDK version used

2.93.0

Environment details (OS name and version, etc.)

Linux (WSL2)

[peterwoodworth]

If you could let us know what is not using node18 yet that would be helpful - we have migrated most if not everything to node18

[peterwoodworth]

I think all that's still left is just one custom resource handler found in Route 53 - All our other functions should be on Node 18, unless I'm misunderstanding the issue @beaumsc

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[msheiny]

I think all that's still left is just one custom resource handler found in Route 53 - All our other functions should be on Node 18, unless I'm misunderstanding the issue @beaumsc

Hey which CR handler is still on nodejs14? Just want to check if I'm using it and keep tabs on it so I can upgrade when it bumps. Thanks for the work ya'll do ❤️

[khushail]

Hi @beaumsc , it would be helpful if you could share which custom resource handler is on nodejs14, as our team is working on this update

[beaumsc]

@msheiny @khushail
The building of the singletonLambda is being deployed as a NodeJS14 runtime as result of of cdk boostrap is my specific issue. However, when I search the installed python library into my virtual environment for runtime version ("runtime=" search string, see description for suggested BDD test for this issue), I can see this issue extends beyond just the singletonLambda common resource code, NODEJS14 is mentioned in 10+ other places.

[iliapolo]

@beaumsc what exactly do you mean by singletonLambda? Can you please share more specific identifiers?

Also it would be helpful if you can share the results of your search? I'm not able to find the occurrences you are mentioning...

[beaumsc]

@iliapolo,

in answer to your question, when deploying my CDK defined app, more specifically, after running cdk bootstrap, one of the resultant resources in cloudformation is a Lambda with logical ID of SingletonLambda.

The following docker file isolates the issues, it outputs 95 references to NODEJS14

FROM python:3.10-slim

RUN pip install aws-cdk-lib==2.93.0

WORKDIR /usr/local/lib/python3.10/site-packages
CMD grep -r -H -n --include \*.py Runtime.NODEJS_14 aws_cdk

[pahud]

@beaumsc

Try using 2.94.0 instead. You will not grep anything. See below:

[beaumsc]

@pahud,

I concur, when upgrading to aws-cdk-lib 2.94.0

1. cdk boostrap replaced my SingletonLambda deployment to use Nodejs-18 runtime.
2. There are no references to version 14

FYI, there are 32 references to nodejs version 16.

Thanks for resolving, great job. 👏

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