# Pin the deployment package-set to a specific version of nixpkgs
# with import ../nixos-21.05.nix {};
with import <nixpkgs> {};
let
  etcdNodes = {
    k0-0 = "10.1.8.50";
    k0-1 = "10.1.8.51";
    k0-2 = "10.1.8.52";
  };

  master = {
    features.k8s = {
      host.name = "k0-0";
      host.address = "10.1.8.50";
      master.enable = true;
      nodes = nodes;
      etcdCluster = {
        enable = true;
        existing = true;
        nodes = etcdNodes;
      };
    };
    services.kubernetes.kubelet.unschedulable = true;
    imports = [ ./cluster.nix ./hw/k0-0.nix ];
  };

  nodes = [
    { name = "k0-1"; address = "10.1.8.51"; }
    { name = "k0-2"; address = "10.1.8.52"; }
  ];

  mkNode = x: {
    "${x.name}" =
    lib.mkMerge [
      {
        features.k8s.host = x;
      }
      (if builtins.hasAttr x.name etcdNodes then
        {
          features.k8s.etcdCluster = {
            enable = true;
            existing = true;
            nodes = etcdNodes;
          };
        }
        else {})
      ]
      // { imports = [ ./cluster.nix  (./hw + "/${x.name}.nix") ]; };
  };

in
  builtins.foldl' (a: x: a // mkNode x) {
    "${master.features.k8s.host.name}" = master;
  } nodes