nixos-config/machines/renge/hardware-configuration.nix

{ lib, modulesPath, ... }:

{
  imports = [
    (modulesPath + "/profiles/qemu-guest.nix")
  ];

  boot = {
    kernelModules = [ ];
    extraModulePackages = [ ];
    kernelParams = [ "ip=dhcp" ];
    initrd = {
      availableKernelModules = [ "aesni_intel" "ahci" "sd_mod" "sr_mod" "virtio_pci" "xhci_pci" ];
      kernelModules = [ ];
      network.enable = true; # remote unlocking
      luks.devices."root".device = "/dev/disk/by-uuid/75f9aa9f-bb40-4d83-9f81-18e4f2ce8d57";
    };
    loader.grub.device = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-0";
    kernel = {
      sysctl = {
        # Swap should never be used unless the system runs ouf of memory.
        "vm.swappiness" = 0;
      };
    };
  };

  fileSystems = {
    "/" = {
      device = "/dev/disk/by-uuid/5905aaff-e4aa-4abd-a1cc-f93acb0762ac";
      fsType = "btrfs";
      options = [ "compress=zstd" "discard" "noatime" ];
    };
    "/boot" = {
      device = "/dev/disk/by-uuid/07908c38-d35a-4b25-9934-31dd8da9959b";
      fsType = "ext2";
    };
  };

  swapDevices = [
    {
      device = "/dev/disk/by-partuuid/552e77a9-40d1-48e0-9439-0a3c2b506a80";
      randomEncryption.enable = true;
    }
  ];

  networking = {
    useDHCP = false;
    usePredictableInterfaceNames = false;
  };
  systemd.network = {
    enable = true;
    networks = {
      eth0 = {
        name = "eth0";
        DHCP = "yes";
        domains = [ "sbruder.de" ];
        address = [ "2a01:4f8:1c1e:88cd::/64" ];
        gateway = [ "fe80::1" ];
      };
    };
  };

  # no smart on qemu disk
  services.smartd.enable = false;
}