Optional[customOptional[unknownOptionalendpointsNebius VPC Subnet ID where control plane instances will be located. Also will be default NodeGroup subnet.
Desired Kubernetes version of the cluster. For now only acceptable format is
<major>.<minor> like "1.31". Option for patch version update will be added later.
Number of instances in etcd cluster. 3 by default. Control plane with
etcd_cluster_size: 3called "Highly Available" ("HA"), because it's Kubernetes API will be available despite a failure of one control plane instance.