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I assume you could do it easily enough with cloud-init by setting the agent node token in an env var and running the RKE2 installer with --server to your control plane api. You may want to add ssh key access from your bastion host, etc, too.

Thanks for the reply.... I have spun up a new server using the same AMI (keys are in there already) However....this is just to add more "worker" nodes to the cluster for auto scaling. When I run the command to install RKE2, that goes fine. I see the node adding into the cluster, but then it just goes away?

Is it possible that it's automatically downscaling it because you don't have enough load? In that case, the ASG is just doing its job.

I wish it was related to ASG......I still can not get a good operation for ASG running (cluster-autoscaler). This was just to SEE if I can actually get a server to join the cluster on a "manual" process at first.

thanks....Ill check it out.....