Update k0 to multi etcd

clusters/k0/cluster.nix

@@ -1,7 +1,7 @@
 { pkgs, lib, config, ... }:
 with lib;
 let
-  cfg = config.node;
+  cfg = config.features.k8s.host;
 
   mkSANs = host: [
     host.name
@@ -91,20 +91,29 @@ let
       address = cfg.address;
     };
 
+    fileSystems = {
+      "/vol/local-storage/vol1" = {
+        device = "/vol/vol1";
+        options = [ "bind" ];
+      };
+      "/vol/local-storage/vol2" = {
+        device = "/vol/vol2";
+        options = [ "bind" ];
+      };
+    };
   };
 in {
-  options.node = {
-    address = mkOption {
-      type = types.str;
-      default = null;
-    };
+  # options.node = {
+  #   address = mkOption {
+  #     type = types.str;
+  #     default = null;
+  #   };
 
-    name = mkOption {
-      type = types.str;
-      default = null;
-    };
-
-  };
+  #   name = mkOption {
+  #     type = types.str;
+  #     default = null;
+  #   };
+  # };
 
   config = configuration;