added nfs host

flake.nix

@@ -43,6 +43,9 @@
         node2 = kclib.mkHost {
           name = "node2";
         };
+        node-nfs = kclib.mkHost {
+          name = "node-nfs";
+        };
       };
       formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt-rfc-style;
       devShells.x86_64-linux.default =

hosts/base/default.nix

@@ -1,4 +1,5 @@
 {
+  pkgs,
   ...
 }:
 {
@@ -32,5 +33,9 @@
 
   services.qemuGuest.enable = true;
 
+  environment.systemPackages = [
+    pkgs.nfs-utils
+  ];
+
   system.stateVersion = "24.11";
 }

hosts/node-nfs/default.nix

@@ -0,0 +1,24 @@
+{ ... }:
+{
+  kropcloud =
+    let
+      serverIp = "192.168.1.180";
+    in
+    {
+      drives.hasSecondDrive = true;
+      services = {
+        nfs = {
+          enable = true;
+          exportDirectory = "/mnt/nas";
+          clusterWildcard = "192.168.1.0/24";
+        };
+      };
+      networking = {
+        ipv4 = {
+          address = serverIp;
+          prefixLength = 24;
+          defaultGateway = "192.168.1.1";
+        };
+      };
+    };
+}

nixosModules/drives/default.nix

@@ -45,6 +45,22 @@ in
             };
           };
         };
+        secondary = lib.mkIf cfg.hasSecondDrive {
+          type = "disk";
+          device = "/dev/sdb";
+          content = {
+            type = "gpt";
+            partitions = {
+              data = {
+                content = {
+                  type = "filesystem";
+                  format = "ext4";
+                  mountpoint = "/mnt/nas";
+                };
+              };
+            };
+          };
+        };
       };
     };
   };

nixosModules/networking/default.nix

@@ -52,25 +52,40 @@ in
 
     services.avahi = {
       enable = true;
+      openFirewall = true;
     };
 
     networking = {
       nftables.enable = true;
       firewall = {
         checkReversePath = "loose";
-        allowedUDPPorts = []
-        ++ lib.optionals kc_cfg.services.k3s.enable
-        [
-          8472
-        ];
-        allowedTCPPorts = []
-        ++ lib.optionals kc_cfg.services.k3s.enable
-        [
-          2379
-          2380
-          6443
-          10250
-        ];
+        allowedUDPPorts =
+          [ ]
+          ++ lib.optionals kc_cfg.services.k3s.enable [
+            8472
+          ]
+          ++ lib.optionals kc_cfg.services.nfs.enable [
+            4000
+            4001
+            4002
+            2049
+            111
+          ];
+        allowedTCPPorts =
+          [ ]
+          ++ lib.optionals kc_cfg.services.k3s.enable [
+            2379
+            2380
+            6443
+            10250
+          ]
+          ++ lib.optionals kc_cfg.services.nfs.enable [
+            4000
+            4001
+            4002
+            2049
+            111
+          ];
       };
       interfaces = {
         ens18 = {

nixosModules/services/k3s/default.nix

@@ -44,10 +44,7 @@ in
           "--disable local-storage"
         ]
         ++ (
-          if (!cfg.isMaster && cfg.master != null) then
-            [ "--server https://${cfg.master}:6443" ]
-          else
-            [ ]
+          if (!cfg.isMaster && cfg.master != null) then [ "--server https://${cfg.master}:6443" ] else [ ]
         )
       );
       clusterInit = cfg.isMaster;

nixosModules/services/nfs/default.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  ...
+}:
+let
+  cfg = config.kropcloud.services.nfs;
+  kc_cfg = config.kropcloud;
+in
+{
+  options.kropcloud.services.nfs = {
+    enable = lib.mkEnableOption "Whence to enable nfs service.";
+    exportDirectory = lib.mkOption {
+      type = lib.types.str;
+      default = "/mnt/nas";
+      description = "The directory to export.";
+    };
+    clusterWildcard = lib.mkOption {
+      type = lib.types.str;
+      default = "*";
+      description = "The wildcard to use for cluster.";
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    services.nfs.server = {
+      enable = true;
+      exports = ''
+        ${cfg.exportDirectory} ${cfg.clusterWildcard}(rw,sync,no_wdelay,no_root_squash,insecure)
+      '';
+      statdPort = 4000;
+      lockdPort = 4001;
+      mountdPort = 4002;
+    };
+  };
+}