Update cluster using CLI

[roeera]

Hi,

First nice Job, I came from Kops which do a very good job. (Although it would be nice to replace cloudformation with tf of something else)

One thing that I missing here is the option to update cluster, let's say that I would like to update instances type, or update ssh key for all at once. It would be nice if that could work.
Let me know what is the best option to update configs.

Best.

[michelzanini]

I would like to know that one as well 👍

[kingdonb]

So there are two parts to this, one is upgrading the control plane (easy since https://aws.amazon.com/blogs/compute/making-cluster-updates-easy-with-amazon-eks/) and the other is upgrading the worker nodes which looks a bit more complicated:

https://docs.aws.amazon.com/eks/latest/userguide/update-workers.html

given that you have to choose between migrating to a new worker node group, or upgrading in-place. This still looks like news to me, the last time I checked there was only one option, and that was migrating your workloads to a new worker group.

Does anyone have this on a roadmap?

[kingdonb]

This seems to be a dupe of #348 or #357

[errordeveloper]

Thanks folks, we are working on cluster version upgrades (see #596). Other config change will come soon. Regarding nodegroup updates, we have #100 and #443, also #596 should provide more context.

This seems to be a dupe of #348 or #357

@kingdonb sort of, but not exactly, as @roeera mentioned things other then version.

Although it would be nice to replace cloudformation with tf of something else

@roeera would you mind to explain why? Perhaps open another issue?