let _concerns_lib = import "schemas/lib/concerns.ncl" in

{
  K8sNodejoin = {
    name | String,
    cp_hostname
      | String
      | doc "Hostname of the control-plane node that generates the join token",
    cluster | String,
    target_path
      | String
      | doc "Path on the worker where the join script is written before execution",
    source_path
      | String
      | doc "Path on the control-plane where kubeadm writes the join command",
    admin_host | String | optional,
    admin_port | Number | optional,
    admin_user | String | optional,
    ssh_key_path | String | optional,
    source_cmd
      | String
      | doc "Command run on CP to generate /tmp/k8s_join.sh",
    target_cmd
      | String
      | doc "Command run on worker to execute the join script",

    # ServiceConcerns umbrella (ADR-008). One-shot join operation — stateless preset.
    concerns | _concerns_lib.ServiceConcerns | optional,

    ..
  },
}