kilgharrah: rearrange and split up configuration

hosts/kilgharrah/boot.nix

@@ -0,0 +1,14 @@
+{ config, lib, pkgs, ... }:
+
+{
+  boot = {
+    loader.systemd-boot.enable = true;
+    loader.systemd-boot.editor = false;
+    loader.efi.canTouchEfiVariables = true;
+
+    initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "usbhid" "sd_mod" ];
+    kernelModules = [ "kvm-intel" ];
+
+    supportedFilesystems = [ "ntfs" ]; # for USB drives
+  };
+}

hosts/kilgharrah/default.nix

@@ -1,10 +1,12 @@
 { config, lib, pkgs, ... }:
 
 {
-  imports =
+  imports = [
-    [ # Include the results of the hardware scan.
+    ./boot.nix
-      ./hardware-configuration.nix
+    ./filesystems.nix
-    ];
+    ./hardware.nix
+    ./networking.nix
+  ];
 
   nixpkgs.hostPlatform = "x86_64-linux";
   networking.hostId = "72885bb5";
@@ -18,20 +20,8 @@
   security.sudo.wheelNeedsPassword = false;
   nix.settings.trusted-users = [ "@wheel" ];
 
-  # Use the systemd-boot EFI boot loader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "kilgharrah"; # Define your hostname.
-  
-  networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
-
   time.timeZone = "Europe/London";
 
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
-
   i18n.defaultLocale = "en_GB.UTF-8";
   console.keyMap = "uk";
 
@@ -65,6 +55,6 @@
     ];
   };
 
-  system.stateVersion = "24.05"; # Did you read the comment?
+  system.stateVersion = "24.05";
 
 }

hosts/kilgharrah/filesystems.nix

@@ -0,0 +1,65 @@
+{ config, lib, pkgs, ... }:
+
+{
+  boot.initrd.luks.devices = {
+    "enc".device = "/dev/disk/by-uuid/b414aaba-0a36-4135-a7e1-dc9489286acd";
+  };
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
+      fsType = "btrfs";
+      options = [ "subvol=@" "compress=zstd" ];
+    };
+    "/home" = {
+      device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
+      fsType = "btrfs";
+      options = [ "subvol=@home" "compress=zstd" ];
+    };
+    "/nix" = {
+      device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
+      fsType = "btrfs";
+      options = [ "subvol=@nix" "compress=zstd" "noatime" ];
+    };
+    "/swap" = {
+      device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
+      fsType = "btrfs";
+      options = [ "subvol=@swap" "noatime" ];
+    };
+    "/root" = {
+      device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
+      fsType = "btrfs";
+      options = [ "subvol=@root" "compress=zstd" ];
+    };
+    "/srv" = {
+      device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
+      fsType = "btrfs";
+      options = [ "subvol=@srv" "compress=zstd" ];
+    };
+    "/var/cache" = {
+      device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
+      fsType = "btrfs";
+      options = [ "subvol=@cache" "compress=zstd" "noatime" ];
+    };
+    "/var/tmp" = {
+      device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
+      fsType = "btrfs";
+      options = [ "subvol=@tmp" "compress=zstd" "noatime" ];
+    };
+    "/var/log" = {
+      device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
+      fsType = "btrfs";
+      options = [ "subvol=@log" "compress=zstd" "noatime" ];
+    };
+    "/boot" = {
+      device = "/dev/disk/by-uuid/9582-E78D";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+  };
+
+  swapDevices = [{
+    device = "/swap/swapfile";
+    size = 32 * 1024;
+  }];
+}

hosts/kilgharrah/hardware-configuration.nix

@@ -1,90 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "usbhid" "sd_mod" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
-      fsType = "btrfs";
-      options = [ "subvol=@" "compress=zstd" ];
-    };
-
-  boot.initrd.luks.devices."enc".device = "/dev/disk/by-uuid/b414aaba-0a36-4135-a7e1-dc9489286acd";
-
-  fileSystems."/home" =
-    { device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
-      fsType = "btrfs";
-      options = [ "subvol=@home" "compress=zstd" ];
-    };
-
-  fileSystems."/nix" =
-    { device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
-      fsType = "btrfs";
-      options = [ "subvol=@nix" "compress=zstd" "noatime" ];
-    };
-
-  fileSystems."/swap" =
-    { device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
-      fsType = "btrfs";
-      options = [ "subvol=@swap" "noatime" ];
-    };
-
-  fileSystems."/root" =
-    { device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
-      fsType = "btrfs";
-      options = [ "subvol=@root" "compress=zstd" ];
-    };
-
-  fileSystems."/srv" =
-    { device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
-      fsType = "btrfs";
-      options = [ "subvol=@srv" "compress=zstd" ];
-    };
-
-  fileSystems."/var/cache" =
-    { device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
-      fsType = "btrfs";
-      options = [ "subvol=@cache" "compress=zstd" "noatime" ];
-    };
-
-  fileSystems."/var/tmp" =
-    { device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
-      fsType = "btrfs";
-      options = [ "subvol=@tmp" "compress=zstd" "noatime" ];
-    };
-
-  fileSystems."/var/log" =
-    { device = "/dev/disk/by-uuid/ad4cbc18-8849-40ed-b0bf-097f8f46346b";
-      fsType = "btrfs";
-      options = [ "subvol=@log" "compress=zstd" "noatime" ];
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/9582-E78D";
-      fsType = "vfat";
-      options = [ "fmask=0022" "dmask=0022" ];
-    };
-
-  swapDevices = [ ];
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp2s0.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlo1.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-}

hosts/kilgharrah/hardware.nix

@@ -0,0 +1,8 @@
+{ config, lib, pkgs, ... }:
+
+{
+  hardware.enableAllFirmware = true;
+  hardware.cpu.intel.updateMicrocode = true;
+  services.fwupd.enable = true;
+}
+

hosts/kilgharrah/networking.nix

@@ -0,0 +1,5 @@
+{ config, lib, pkgs, ... }:
+
+{
+  networking.networkmanager.enable = true;
+}

hosts/tohru/default.nix

@@ -52,4 +52,3 @@
 
   system.stateVersion = "23.11";
 }
-