infra/services/baremetal/hardware.nix

{ pkgs, lib, config, ... }:
let
  cfg = config.bagel.baremetal;
in
{
  options = {
    bagel.baremetal = {
      enable = lib.mkEnableOption "baremetal bagel oven";
      netboot = lib.mkEnableOption "netboot";
      num = lib.mkOption {
        type = lib.types.int;
      };
    };
  };

  config = lib.mkIf cfg.enable {
    boot.initrd.availableKernelModules = [ "ahci" "ehci_pci" "usb_storage" "usbhid" "sd_mod" ];
    boot.initrd.kernelModules = [ "dm-snapshot" ];

    nixpkgs.hostPlatform = "x86_64-linux";
    hardware.cpu.intel.updateMicrocode = true;

    boot.loader.systemd-boot.enable = true;
    boot.loader.efi.canTouchEfiVariables = true;
    boot.initrd.systemd.enable = true;
    boot.initrd.services.lvm.enable = true;

    boot.kernel.sysctl."fs.xfs.xfssyncd_centisecs" = "12000";
    fileSystems = lib.mkIf (!cfg.netboot) {
      "/" = {
        device = "/dev/disk/by-label/root";
        fsType = "xfs";
      };

      "/boot" = {
        device = "/dev/disk/by-label/BOOT";
        fsType = "vfat";
        options = [ "fmask=0022" "dmask=0022" ];
      };
    };

    zramSwap = {
      enable = true;
      memoryPercent = 25;
    };

    boot.kernelParams = [
      "console=tty1"
      "console=ttyS0,115200"
    ];

    networking.useNetworkd = true;
    networking.domain = "wob01.infra.forkos.org";

    systemd.network = {
      netdevs = {
        "40-uplink" = {
          netdevConfig = {
            Kind = "bond";
            Name = "uplink";
          };
          bondConfig = {
            Mode = "802.3ad";
            TransmitHashPolicy = "layer3+4";
          };
        };
      };
      networks = {
        "40-eno1" = {
          name = "eno1";
          bond = [ "uplink" ];
        };
        "40-eno2" = {
          name = "eno2";
          bond = [ "uplink" ];
        };
      };
    };
    networking.interfaces.uplink.ipv6.addresses = [
      { address = "2a01:584:11::1:${toString cfg.num}"; prefixLength = 64; }
    ];
    networking.defaultGateway6 = { interface = "uplink"; address = "2a01:584:11::1"; };
    deployment.targetHost = "2a01:584:11::1:${toString cfg.num}";

    bagel.sysadmin.enable = true;

    environment.systemPackages = [ pkgs.ipmitool ];

    system.stateVersion = "24.05";
  };
}