testing idmap for nfs

machines/sleeper-service/nfs.nix

@@ -10,7 +10,24 @@
   ];
 
   # Enable RPC services for NFS
-  services.rpcbind.enable = true; # NFS server configuration
+  services.rpcbind.enable = true;
+
+  # NFSv4 ID mapping service
+  services.nfs.idmapd = {
+    enable = true;
+    settings = {
+      General = {
+        Domain = "home.lab"; # Same domain on all machines
+        Verbosity = 0;
+      };
+      Mapping = {
+        Nobody-User = "nobody";
+        Nobody-Group = "nogroup";
+      };
+    };
+  };
+
+  # NFS server configuration
   services.nfs.server = {
     enable = true;
 

modules/services/nfs-client.nix

@@ -0,0 +1,41 @@
+# NFS Client Configuration Module
+# Provides standardized NFS client setup with ID mapping
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; {
+  imports = [
+    ../users/media-group.nix
+  ];
+
+  config = {
+    # Enable NFS filesystem support
+    boot.supportedFilesystems = ["nfs"];
+
+    # Enable RPC services required for NFS
+    services.rpcbind.enable = true;
+
+    # NFSv4 ID mapping service - must match server configuration
+    services.nfs.idmapd = {
+      enable = true;
+      settings = {
+        General = {
+          Domain = "home.lab"; # Must match server domain
+          Verbosity = 0;
+        };
+        Mapping = {
+          Nobody-User = "nobody";
+          Nobody-Group = "nogroup";
+        };
+      };
+    };
+
+    # NFS utilities for client operations
+    environment.systemPackages = with pkgs; [
+      nfs-utils
+    ];
+  };
+}