Add two new nodes to k2, taint master node

clusters/k2/default.nix

@@ -1,10 +1,29 @@
 with import <nixpkgs> {};
 let
+  etcdNodes = {
+    # k2-0 = "10.1.8.60";
+    # k2-1 = "10.1.8.61";
+    # k2-2 = "10.1.8.62";
+  };
+
   master = {
-    node.name = "k2-0";
-    node.address = "10.1.8.60";
-    features.k8s.master.enable = true;
-    features.k8s.nodes = nodes;
+    features.k8s = {
+      host.name = "k2-0";
+      host.address = "10.1.8.60";
+      master.enable = true;
+      nodes = nodes;
+      etcdCluster = {
+        enable = false;
+        nodes = etcdNodes;
+      };
+    };
+    fileSystems = {
+      "/vol/local-storage/vol1" = {
+        device = "/vol/vol1";
+        options = [ "bind" ];
+      };
+    };
+    services.kubernetes.kubelet.unschedulable = true;
     imports = [ ./cluster.nix ./hw/k2-0.nix ];
   };
 
@@ -13,17 +32,30 @@ let
     { name = "k2-2"; address = "10.1.8.62"; }
     { name = "k2-3"; address = "10.1.8.63"; }
     { name = "k2-4"; address = "10.1.8.64"; }
+    { name = "k2-5"; address = "10.1.8.65"; }
+    { name = "k2-6"; address = "10.1.8.66"; }
   ];
 
   mkNode = x: {
-    "${x.name}" = {
-      node.name = x.name;
-      node.address = x.address;
-      imports = [ ./cluster.nix  (./hw + "/${x.name}.nix") ];
-    };
+    "${x.name}" =
+    lib.mkMerge [
+      {
+        features.k8s.host = x;
+      }
+      (if builtins.hasAttr x.name etcdNodes then
+        {
+          features.k8s.etcdCluster = {
+            enable = false;
+            existing = false;
+            nodes = etcdNodes;
+          };
+        }
+        else {})
+      ]
+      // { imports = [ ./cluster.nix  (./hw + "/${x.name}.nix") ]; };
   };
 
 in
   builtins.foldl' (a: x: a // mkNode x) {
-    "${master.node.name}" = master;
+    "${master.features.k8s.host.name}" = master;
   } nodes