[EKS]: Stop and Start Control Plane Servers

_**NOTE:** This issue is a blatant copy of #133, which has generated a bit of interest but was closed by the author before it could be reviewed by AWS. Because the author hasn't been able to re-open that issue, I thought it best to re-create so that it still gets noticed. If preferred you can close this issue and re-open the original one instead._

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**Tell us about your request**

Allow for shutting down and starting up the masters on-demand.

**Which service(s) is this request for?**

EKS

**Tell us about the problem you're trying to solve. What are you trying to do, and why is it hard?**

There are two outcomes I'm trying to achieve.

1. I just want to save money. I only need to run my application during the day and not at night. So I'd also like to have the masters up during the day and shutdown at night.

2. To gain confidence in the system. I already believe that Kubernetes is very robust, but there are certain things out of my control that could still impact Kubernetes. For example, my company's internal network is not the best, so from time to time there could be network issues. I'd like to be certain, through my own testing, that Kubernetes is able to start up again under those odd conditions.

**Are you currently working around this issue?**

There is no way to currently shut down the master nodes.

No repository file or test is named. Start by reviewing this request, the referenced issue #133, and the existing discussion to determine the scope and feasibility of stopping and restarting EKS control planes. Done would require a resolved AWS roadmap decision or an explicitly defined implementation plan and acceptance criteria.

Written by the indexing model from the issue text.