mochi/nixos/hosts/gandalf/default.nix

# 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, modulesPath, ... }:

{
  imports =
    [
      (modulesPath + "/installer/scan/not-detected.nix")
    ];

  boot = {
    initrd = {
      availableKernelModules = [ "ehci_pci" "ahci" "mpt3sas" "isci" "usbhid" "usb_storage" "sd_mod" ];
      kernelModules = [ "nfs" ];
      supportedFilesystems = [ "nfs" ];
    };

    kernelModules = [ "kvm-intel" "vfio" "vfio_iommu_type1" "vfio_pci" "vfio_virqfd" ];
    extraModulePackages = [ ];
    kernelParams = [ "iommu=pt" "intel_iommu=on" "zfs.zfs_arc_max=107374182400" ]; # 100GB
  };

  # Network settings
  networking = {
    hostName = "gandalf";
    hostId = "e2fc95cd";
    useDHCP = false; # needed for bridge
    networkmanager.enable = true;
    # TODO: Add ports specifically.
    firewall.enable = false;
    interfaces = {
      "enp130s0f0".useDHCP = true;
      "enp130s0f1".useDHCP = true;
    };

    # For VMs
    bridges = {
      "br0" = {
        interfaces = [ "enp130s0f1" ];
      };
    };
  };

  fileSystems."/" = {
    device = "zroot/root";
    fsType = "zfs";
  };

  fileSystems."/nix" = {
    device = "zroot/nix";
    fsType = "zfs";
  };

  fileSystems."/var" = {
    device = "zroot/var";
    fsType = "zfs";
  };

  fileSystems."/home" = {
    device = "zroot/home";
    fsType = "zfs";
  };

  swapDevices = [ ];

  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;

  # System settings and services.
  mySystem = {
    purpose = "Production";
    system = {
      motd.networkInterfaces = [ "enp130s0f0" "enp130s0f1" ];
      # ZFS
      zfs.enable = true;
      zfs.mountPoolsAtBoot = [ "eru" ];
      # NFS
      nfs.enable = true;
      # Samba
      samba.enable = true;
      samba.shares = import ./config/samba-shares.nix { };
      samba.extraConfig = import ./config/samba-config.nix { };
    };
  };
}