(aws-lambda): CDK does not update Lambda environment variables

[Schwartz-Matthew-bah]

Describe the bug

After deploying a Lambda function, all future modifications to the function's environment variables must be done manually.

Changing the environment variables in CDK and redeploying does not update the variables.

Expected Behavior

CDK should update the Lambda function configuration such that it matches what is codified.

Current Behavior

CDK ignores changes to Lambda environment variables.

Reproduction Steps

Deploy a lambda function with environment variables, for example:

    const lambdaFunction = new lambda.Function(this, 'MyLambdaFunction', {
      runtime: lambda.Runtime.NODEJS_16_X,
      code: lambda.Code.fromAsset('lambda'),
      handler: 'index.handler',
      environment: {
        LOG_LEVEL: 'INFO',
      },
    });

Now change the LOG_LEVEL variable from 'INFO' to 'DEBUG' and redeploy your stack.

    const lambdaFunction = new lambda.Function(this, 'MyLambdaFunction', {
      runtime: lambda.Runtime.NODEJS_16_X,
      code: lambda.Code.fromAsset('lambda'),
      handler: 'index.handler',
      environment: {
        LOG_LEVEL: 'DEBUG',
      },
    });

The variable value does not change.

Possible Solution

No response

Additional Information/Context

No response

CDK CLI Version

2.86.0 (build 1130fab)

Framework Version

No response

Node.js Version

v16.14.0

OS

MacOS Catalina

Language

Typescript

Language Version

No response

Other information

No response

[Schwartz-Matthew-bah]

Seems like this happens specifically if you skip the npm run build step before running cdk deploy

[Schwartz-Matthew-bah]

Nevermind, I can no longer reproduce. Looks like its working fine.

[github-actions]

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