From 8a9335f5ae7840e0c9ac67a38569c6a65a93062b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Barnouin?= <theo.barnouin@protonmail.com>
Date: Tue, 10 Sep 2024 10:46:49 +0200
Subject: [PATCH] Try to have a working filesystem

---
 hosts/nixos-hypervisor/configuration.nix      |  4 +-
 .../hardware-configuration.nix                | 62 ++++++++++++-------
 2 files changed, 41 insertions(+), 25 deletions(-)

diff --git a/hosts/nixos-hypervisor/configuration.nix b/hosts/nixos-hypervisor/configuration.nix
index 7250db9..c54f9f5 100644
--- a/hosts/nixos-hypervisor/configuration.nix
+++ b/hosts/nixos-hypervisor/configuration.nix
@@ -2,8 +2,8 @@
 
 { imports =
     [ # Include the results of the hardware scan.
-#      ./hardware-configuration.nix
-     ];
+      ./hardware-configuration.nix
+    ];
 
   nix.settings = {
     experimental-features = [ "nix-command" "flakes" ];
diff --git a/hosts/nixos-hypervisor/hardware-configuration.nix b/hosts/nixos-hypervisor/hardware-configuration.nix
index 4e3f911..ae708dc 100644
--- a/hosts/nixos-hypervisor/hardware-configuration.nix
+++ b/hosts/nixos-hypervisor/hardware-configuration.nix
@@ -1,33 +1,49 @@
-# 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, ... }:
+{ lib, system, ... }:
 
 {
-  imports =
-    [ (modulesPath + "/profiles/qemu-guest.nix")
-    ];
+  boot = {
+    # use latest kernel
+    # kernelPackages = pkgs.linuxPackages_latest;
+    supportedFilesystems = [ "ext4" "btrfs" "xfs" "fat" "vfat" "cifs" "nfs" ];
+    growPartition = true;
+    kernelModules = [ "kvm-intel" ];
+    kernelParams = lib.mkForce [ ];
 
-  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "sr_mod" "virtio_blk" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
+    loader = {
+      grub = {
+        enable = true;
+        device = "nodev";
+        efiSupport = true;
+        efiInstallAsRemovable = true;
+      };
+      timeout = lib.mkForce 3;
+    };
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/cd191c1d-d2d7-44ae-8a9a-75ad7d8228a4";
+    initrd = {
+      availableKernelModules = [ "9p" "9pnet_virtio" "ata_piix" "uhci_hcd" "virtio_blk" "virtio_mmio" "virtio_net" "virtio_pci" "virtio_scsi" ];
+      kernelModules = [ "virtio_balloon" "virtio_console" "virtio_rng" ];
+    };
+
+    tmp.cleanOnBoot = true;
+  };
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/nixos";
+      autoResize = true;
       fsType = "ext4";
     };
 
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/335e1191-f20f-4afc-bc2b-b156cf8dc2c2"; }
-    ];
+    "/boot" = {
+      device = "/dev/disk/by-label/ESP";
+      fsType = "vfat";
+    };
+  };
 
-  # 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.enp1s0.useDHCP = lib.mkDefault true;
+  services.fstrim = {
+    enable = true;
+    interval = "weekly";
+  };
 
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  nixpkgs.hostPlatform = lib.mkDefault system;
 }