(EKS): outputConfigCommand does not work any more without mastersRole

[markusl]

Describe the bug

outputConfigCommand does not output anything if props.mastersRole is not set.

Regression Issue

• Select this option if this issue appears to be a regression.

Last Known Working CDK Version

No response

Expected Behavior

Output config command

Current Behavior

    const outputConfigCommand = (props.outputConfigCommand ?? true) && props.mastersRole;
    if (outputConfigCommand) {
      const postfix = commonCommandOptions.join(' ');
      new CfnOutput(this, 'ConfigCommand', { value: `${updateConfigCommandPrefix} ${postfix}` });
      new CfnOutput(this, 'GetTokenCommand', { value: `${getTokenCommandPrefix} ${postfix}` });
    }

Reproduction Steps

Set outputConfigCommand to true

Possible Solution

No response

Additional Information/Context

Seems to be broken in 51f0193

CDK CLI Version

2.171.0 (build 4957967)

Framework Version

No response

Node.js Version

20

OS

Mac

Language

TypeScript

Language Version

No response

Other information

No response

[pahud]

aws-cdk/packages/aws-cdk-lib/aws-eks/lib/cluster.ts

Line 1822 in 0e79874

const outputConfigCommand = (props.outputConfigCommand ?? true) && props.mastersRole;

This was an intentional breaking change from #25473

[markusl]

@pahud yes, it seems to be an intentional change, but I cannot see why. Please at least document the behavior and add a warning if the flag is set to true without mastersRole