system.nix

# /mnt/etc/nixos/packet/system.nix
{
  imports = [
    (
      {
        imports = [
          (
            {
              boot.kernelModules = [ "dm_multipath" "dm_round_robin" "ipmi_watchdog" ];
              services.openssh.enable = true;
            }
          )
          (
            {
              nixpkgs.config.allowUnfree = true;

              boot.loader.grub = {
                version = 2;
                efiSupport = true;
                device = "nodev";
                efiInstallAsRemovable = true;
                extraConfig = ''
                  serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
                  terminal_output serial console
                  terminal_input serial console
                '';
              };

              boot.initrd.availableKernelModules = [
                "ahci"
                "mpt3sas"
                "sd_mod"
                "xhci_pci"
              ];
              boot.kernelModules = [ "kvm-amd" ];
              boot.kernelParams = [ "console=ttyS1,115200n8" ];
              boot.extraModulePackages = [];

              hardware.enableAllFirmware = true;
            }
          )
          (
            { lib, ... }:
              {
                boot = {
                  loader = {
                    systemd-boot.enable = lib.mkForce false;
                    grub.enable = true;
                    efi.canTouchEfiVariables = lib.mkForce false;
                  };
                };
                nix.maxJobs = 48;
              }
          )
        ];
      }
    )
    (
      {
        swapDevices = [

          {
            device = "/dev/disk/by-id/wwn-0x55cd2e414e3c62a8-part2";
          }

        ];

        fileSystems = {

          "/boot" = {
            device = "/dev/disk/by-id/ata-SSDSCKJB120G7R_PHDW746301P0150A-part1";
            fsType = "vfat";

          };


          "/" = {
            device = "npool/root";
            fsType = "zfs";
            options = [ "defaults" ];
          };


          "/nix" = {
            device = "npool/nix";
            fsType = "zfs";
            options = [ "defaults" ];
          };


          "/var" = {
            device = "npool/var";
            fsType = "zfs";
            options = [ "defaults" ];
          };


          "/home" = {
            device = "npool/home";
            fsType = "zfs";
            options = [ "defaults" ];
          };

        };

        boot.loader.efi.efiSysMountPoint = "/boot";
      }
    )
    (
      {
        networking.hostName = "test-instance2";
        networking.dhcpcd.enable = false;
        networking.defaultGateway = {
          address = "147.75.198.234";
          interface = "bond0";
        };
        networking.defaultGateway6 = {
          address = "2604:1380:0:d600::14";
          interface = "bond0";
        };
        networking.nameservers = [
          "147.75.207.207"
          "147.75.207.208"
        ];

        networking.bonds.bond0 = {
          driverOptions = {
            mode = "802.3ad";
            xmit_hash_policy = "layer3+4";
            lacp_rate = "fast";
            downdelay = "200";
            miimon = "100";
            updelay = "200";
          };

          interfaces = [
            "enp1s0f0"
            "enp1s0f1"
          ];
        };

        networking.interfaces.bond0 = {
          useDHCP = false;
          macAddress = "ec:0d:9a:9e:ad:ce";

          ipv4 = {
            routes = [
              {
                address = "10.0.0.0";
                prefixLength = 8;
                via = "10.99.98.148";
              }
            ];
            addresses = [
              {
                address = "147.75.198.235";
                prefixLength = 31;
              }
              {
                address = "10.99.98.149";
                prefixLength = 31;
              }
            ];
          };

          ipv6 = {
            addresses = [
              {
                address = "2604:1380:0:d600::15";
                prefixLength = 127;
              }
            ];
          };
        };
      }
    )
    (
      { networking.hostId = "76e38eb9"; }
    )
  ];
}