I just installed a HA Rancher Server cluster using RKE (3 nodes) and now need to create a downstream user cluster. As far as I know I have to do that by logging in as Admin in the Rancher console and click on “Add Cluster” and select Create a new Kubernetes cluster from existing nodes (I have my own Ubuntu VMs).
Instead of doing that I was wondering if I can also install a downstream user cluster for Rancher by using RKE and a cluster.yml file? I was looking for that in the Rancher official documentation but did not find anything.
If this is possible is there maybe a sample RKE cluster.yml file available somewhere?
I want my downstream user cluster to be HA too so I will have 7 nodes (3 etcd, 2 controlplane and 2 worker) so I think it would be easier in terms of automation to use RKE.
Thank you very much for your help.