WiP

flake.lock

@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1734536697,
-        "narHash": "sha256-G/HnRTtU+ob8x967kjzMRqjNFbAdllrcjYc+IcaR15Y=",
+        "lastModified": 1734623593,
+        "narHash": "sha256-iA3kxtbds7yOc77oRBz2On9ZmOVI/1Pic+YQtYUyIsg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9c40bef08a5bdc0ccc3207f4282a1ded83e77a7a",
+        "rev": "8af52ff6ba2ed83047881e877718db3bb02fad85",
         "type": "github"
       },
       "original": {

hosts/base/default.nix

@@ -2,6 +2,10 @@
   ...
 }:
 {
+  imports = [
+    ./hardware-config.nix
+  ];
+
   nixpkgs.config.allowUnfree = true;
 
   kropcloud = {
@@ -19,5 +23,7 @@
     };
   };
 
+  services.qemuGuest.enable = true;
+
   system.stateVersion = "24.11";
 }

hosts/base/hardware-config.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "ata_piix"
+    "uhci_hcd"
+    "virtio_pci"
+    "virtio_scsi"
+    "sd_mod"
+    "sr_mod"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/hydra/default.nix

@@ -3,7 +3,6 @@
   kropcloud = {
     networking = {
       ipv4 = {
-        enable = true;
         address = "192.168.1.160";
         prefixLength = 24;
       };

lib.nix

@@ -11,8 +11,8 @@
     nixpkgs.lib.nixosSystem {
       system = arch;
       modules = [
-        ./hosts/base.nix
-        ./hosts/${name}.nix
+        ./hosts/base
+        ./hosts/${name}
         ./nixosModules
         (
           { ... }:
@@ -22,6 +22,8 @@
             };
           }
         )
+
+        inputs.disko.nixosModules.disko
       ];
       specialArgs = {
         inherit inputs;

nixosModules/default.nix

@@ -5,5 +5,6 @@
     ./networking
     ./users
     ./locale
+    ./drives
   ];
 }

nixosModules/drives/default.nix

@@ -0,0 +1,51 @@
+{
+  config,
+  lib,
+  ...
+}:
+let
+  cfg = config.kropcloud.drives;
+in
+{
+  options.kropcloud.drives = {
+    hasSecondDrive = lib.mkEnableOption "Whence this VM has second drive";
+  };
+  config = {
+    disko.devices = {
+      disk = {
+        main = {
+          type = "disk";
+          device = "/dev/sda";
+          content = {
+            type = "gpt";
+            partitions = {
+              ESP = {
+                type = "EF00";
+                size = "512M";
+                content = {
+                  type = "filesystem";
+                  format = "vfat";
+                  mountpoint = "/boot";
+                };
+              };
+              root = {
+                end = "-8GB";
+                content = {
+                  type = "filesystem";
+                  format = "ext4";
+                  mountpoint = "/";
+                };
+              };
+              swap = {
+                size = "100%";
+                content = {
+                  type = "swap";
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

nixosModules/networking/default.nix

@@ -5,6 +5,20 @@
 }:
 let
   cfg = config.kropcloud.networking;
+  ipopts = version: {
+    address = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      description = "The server IPv${version} address";
+      example = if version == 4 then "192.168.1.155" else null;
+      default = null;
+    };
+    prefixLength = lib.mkOption {
+      type = lib.types.nullOr lib.types.int;
+      description = "The server IPv${version} address prefix length";
+      default = null;
+      example = if version == 4 then 24 else 64;
+    };
+  };
 in
 {
   options.kropcloud.networking = {
@@ -14,31 +28,16 @@ in
       default = true;
       example = false;
     };
-    # TODO: fix this madness
-    ipv4 = {
-      enable = lib.mkEnableOption "Whence to enable IPv4 configuration";
-      address = lib.mkOption {
-        type = lib.types.nullOr lib.types.str;
-        description = "The server IPv4 address";
-        example = "192.168.1.155";
-        default = null;
-      };
-      prefixLength = lib.mkOption {
-        type = lib.types.int;
-        description = "The server IPv4 address prefix length";
-        default = 24;
-        example = 24;
-      };
-    };
+    ipv4 = ipopts 4;
   };
   config = lib.mkIf cfg.enable {
 
     assertions = [
       {
-        assertion = !(cfg.ipv4.enable && (cfg.ipv4.address == null || cfg.ipv4.address == "" || cfg.ipv4.prefixLength == null));
+        assertion = !(cfg.ipv4.address == null || cfg.ipv4.prefixLength == null);
         message = ''
           You need to provide valid values for both `address` and `prefixLength` in `kropcloud.networking.ipv4`
-          when `kropcloud.networking.ipv4.enable` is true.
+          when either is set.
         '';
       }
     ];
@@ -50,7 +49,7 @@ in
       };
       interfaces = {
         ens18 = {
-          ipv4.addresses = lib.mkIf cfg.ipv4.enable [
+          ipv4.addresses = lib.mkIf (cfg.ipv4.address != null || cfg.ipv4.prefixLength != null) [
             {
               address = cfg.ipv4.address;
               prefixLength = cfg.ipv4.prefixLength;
@@ -58,6 +57,7 @@ in
           ];
         };
       };
+      useDHCP = (cfg.ipv4.address == null || cfg.ipv4.prefixLength == null);
     };
   };
 }