let _presets = (import "schemas/lib/concerns_presets.ncl").presets in

{
  longhorn_node_prep | default = {
    mode      | default = 'taskserv,
    data_path | default = "/var/lib/longhorn",
    node_labels | default = { "node.longhorn.io/create-default-disk" = "true" },
    operations | default = {
      install   = true,
      reinstall = true,
      delete    = false,
    },
    live_check | default = {
      strategy = 'systemd,
      scope    = 'node,
      unit     = "iscsid",
    },

    # ServiceConcerns default — node-level prep for Longhorn; stateless preset with custom backup reason.
    concerns | default = _presets.stateless & {
      backup | force = { kind = 'disabled, reason = "stateless: node-level prep; storage volumes captured by SystemBackupDef.longhorn_engine" },
    },
  },
}