+disko

flake.lock

@@ -1,5 +1,25 @@
 {
   "nodes": {
+    "disko": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1726524467,
+        "narHash": "sha256-xkPPPvfHhHK7BNX5ZrQ9N6AIEixCmFzRZHduDf0zv30=",
+        "owner": "nix-community",
+        "repo": "disko",
+        "rev": "22ee467a54a3ab7fa9d637ccad5330c6c087e9dc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "disko",
+        "type": "github"
+      }
+    },
     "dotfiles": {
       "flake": false,
       "locked": {
@@ -70,6 +90,7 @@
     },
     "root": {
       "inputs": {
+        "disko": "disko",
         "dotfiles": "dotfiles",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs",

flake.nix

@@ -18,6 +18,11 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-24.05";
 
+    disko = {
+      url = "github:nix-community/disko";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     dotfiles = {
       url = "git+https://code.m3tam3re.com/m3tam3re/dotfiles-flake-demo.git";
       flake = false;
@@ -26,6 +31,7 @@
 
   outputs = {
     self,
+    disko,
     dotfiles,
     home-manager,
     nixpkgs,
@@ -47,7 +53,10 @@
     nixosConfigurations = {
       m3-kratos-vm = nixpkgs.lib.nixosSystem {
         specialArgs = {inherit inputs outputs;};
-        modules = [./hosts/m3-kratos];
+        modules = [
+          ./hosts/m3-kratos
+          inputs.disko.nixosModules.disko
+        ];
       };
     };
     homeConfigurations = {

hosts/common/users/m3tam3re

@@ -1 +0,0 @@
-../../../home/m3tam3re

hosts/common/users/m3tam3re.nix

@@ -26,5 +26,5 @@
     packages = [inputs.home-manager.packages.${pkgs.system}.default];
   };
   home-manager.users.m3tam3re =
-    import m3tam3re/${config.networking.hostName}.nix;
+    import ../../../home/m3tam3re/${config.networking.hostName}.nix;
 }

hosts/m3-kratos/configuration.nix

@@ -4,13 +4,13 @@
 {pkgs, ...}: {
   imports = [
     # Include the results of the hardware scan.
+    ./disko-config.nix
     ./hardware-configuration.nix
   ];
 
   # Bootloader.
-  boot.loader.grub.enable = true;
-  boot.loader.grub.device = "/dev/vda";
-  boot.loader.grub.useOSProber = true;
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
 
   networking.hostName = "m3-kratos"; # Define your hostname.
   # networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.

hosts/m3-kratos/disko-config.nix

@@ -0,0 +1,36 @@
+{
+  disko.devices = {
+    disk = {
+      nixos = {
+        type = "disk";
+        device = "/dev/vda";
+        content = {
+          type = "gpt";
+          partitions = {
+            boot = {
+              size = "1M";
+              type = "EF02"; # for grub MBR
+            };
+            ESP = {
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/m3-kratos/hardware-configuration.nix

@@ -1,24 +1,21 @@
 # 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 + "/profiles/qemu-guest.nix")
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
   ];
 
-  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "sr_mod" "virtio_blk" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/b3fbba01-1206-44d9-9b15-72e6313b4f72";
-      fsType = "ext4";
-    };
-
-  swapDevices = [ ];
+  boot.initrd.availableKernelModules = ["ahci" "xhci_pci" "virtio_pci" "sr_mod" "virtio_blk"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-intel"];
+  boot.extraModulePackages = [];
 
   # 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
@@ -29,4 +26,3 @@
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 }
-