Note able to scale node group due to naming convention of nodegroup

[togunsanya]

What were you trying to accomplish?

I am trying to scale nodegroup with the help of eksctl (latest version)

What happened?

While running

eksctl scale nodegroup --cluster=abc-sandbox-eks-devops-0 --name=abc-sandbox-eks-ng-high_0 --nodes=0 --nodes-max=1 --nodes-min=0

I am getting below error:

Error: validation for abc-sandbox-eks-ng-high_0 failed, name must satisfy regular expression pattern: [a-zA-Z][-a-zA-Z0-9]*

I have checked AWS official documentation and as per the documentation underscore underscore (_) is allowed in nodegroup names

https://docs.aws.amazon.com/eks/latest/userguide/create-managed-node-group.html

[github-actions]

Hello togunsanya 👋 Thank you for opening an issue in eksctl project. The team will review the issue and aim to respond within 1-5 business days. Meanwhile, please read about the Contribution and Code of Conduct guidelines here. You can find out more information about eksctl on our website

[TiberiuGC]

Hi @togunsanya , for a wide range of commands eksctl operates on top of CloudFormation API. Thus, for UX consistency, we want to have the supported nodegroup names aligned to CFN rules. For this case, it means we won't accept _ as part of the ng name, even if it's supported in EKS.

For further reference, see #2943 (comment)

[github-actions]

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[github-actions]

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