nixos-config/machines/loki/configuration.nix

{ nixos-hardware, ... }:
{ pkgs, config, ... }:
{
  imports = [
    nixos-hardware.nixosModules.common-cpu-amd
    nixos-hardware.nixosModules.common-cpu-amd-pstate
    nixos-hardware.nixosModules.common-gpu-amd
    nixos-hardware.nixosModules.common-pc-ssd

    ./hardware-configuration.nix
    ../../users/erwin
    ../../users/root
    ../../users/builder
  ];

  eboskma = {
    users = {
      erwin = {
        enable = true;
        home = true;
      };
      builder.enable = true;
    };
    # backscrub.enable = true;
    base = {
      plymouth.enable = true;
      work = false;
      kernel = pkgs.linuxKernel.packages.linux_6_0;
      udev-rules = {
        qmk = true;
        solo2 = true;
        picotool = true;
        blink1 = true;
        probe-rs = true;
      };
    };
    bluetooth.enable = true;
    desktop = {
      enable = true;
      wayland = true;
      home-manager = true;
    };
    docker.enable = true;
    element-web.enable = false;
    fonts.enable = true;
    gnome.enable = true;
    greetd = {
      enable = true;
      sway = true;
      hyprland = true;
    };
    libvirtd.enable = true;
    livebook = {
      enable = false;
      dataDir = "/home/erwin/workspace/livebook";
      userMapping = "1000:100";
    };
    networking = {
      enable = true;
    };
    nix-common = {
      enable = true;
      cross-systems = [ "aarch64-linux" ];
    };
    tablet.enable = false;
    sound.enable = true;
    systemd.enable = true;
  };

  boot.loader = {
    systemd-boot = {
      enable = true;
      configurationLimit = 10;
    };
    efi.canTouchEfiVariables = true;
  };

  time.timeZone = "Europe/Amsterdam";

  networking = {
    hostName = "loki";
    useDHCP = false;
    networkmanager.enable = true;
    useNetworkd = true;

    hosts = {
      "10.0.0.252" = [ "pve.datarift.nl" ];
    };

    firewall = {
      trustedInterfaces = [ "lo" ];
      allowedTCPPorts = [
        # NFS
        111
        2049
        4100
        4101
        4102
        20048

        # Horus System V2
        12345
        5555
        5556

        # Elixir/Phoenix dev environment
        4000

        # Sunshine
        48010
      ];

      allowedUDPPorts = [
        # NFS
        111
        2049
        4100
        4101
        4102
        20048

        # WireGuard
        51820
      ];

      allowedTCPPortRanges = [
        # Sunshine
        { from = 47984; to = 47990; }
      ];

      allowedUDPPortRanges = [
        # Sunshine
        { from = 47998; to = 48000; }
      ];
    };

    # wg-quick.interfaces = {
    #   wghorus = {
    #     address = [ "10.10.4.2/24" ];
    #     autostart = false;
    #     dns = [ "192.168.4.1" ];
    #     listenPort = 51820;

    #     privateKeyFile = config.sops.secrets.wireguard-horus-privkey.path;

    #     postUp = ''
    #       ${pkgs.systemd}/bin/resolvectl domain wghorus bedum.horus.nu internal.horus.nu
    #     '';
    #     postDown = ''
    #       ${pkgs.systemd}/bin/resolvectl domain wghorus ""
    #     '';

    #     peers = [
    #       {
    #         publicKey = "6faxlUG8+F7uVrKk/OJqqy5k2+OzrhXc/cV6Zsfbl0c=";
    #         allowedIPs = [ "192.168.4.0/23" "192.168.6.0/24" "192.168.7.0/24" "192.168.8.0/24" ];
    #         endpoint = "212.45.34.195:51820";
    #         persistentKeepalive = 25;
    #       }
    #     ];
    #   };
    # };
  };

  systemd.network = {
    enable = true;

    netdevs = {
      "10-wghorus" = {
        netdevConfig = {
          Kind = "wireguard";
          MTUBytes = "1420";
          Name = "wghorus";
        };

        wireguardConfig = {
          PrivateKeyFile = config.sops.secrets.wireguard-horus-privkey.path;
          ListenPort = 51820;
        };

        wireguardPeers = [
          {
            wireguardPeerConfig = {
              PublicKey = "6faxlUG8+F7uVrKk/OJqqy5k2+OzrhXc/cV6Zsfbl0c=";
              AllowedIPs = [ "192.168.4.0/23" "192.168.6.0/24" "192.168.7.0/24" "192.168.8.0/24" ];
              Endpoint = "212.45.34.195:51820";
              PersistentKeepalive = 25;
            };
          }
        ];
      };
    };

    networks = {
      "40-enp4s0" = {
        DHCP = "yes";
      };
      "40-wghorus" = {
        matchConfig = {
          Name = "wghorus";
        };

        linkConfig = {
          ActivationPolicy = "manual";
        };

        networkConfig = {
          DHCP = "no";
          DNS = "192.168.4.1";
          Domains = [ "bedum.horus.nu" "internal.horus.nu" ];
        };

        address = [
          "10.10.4.2/24"
        ];

        routes = [
          {
            routeConfig =
              {
                Destination = "192.168.4.0/23";
                Scope = "link";
              };
          }
          {
            routeConfig = {
              Destination = "192.168.6.0/24";
              Scope = "link";
            };
          }
          {
            routeConfig =
              {
                Destination = "192.168.7.0/24";
                Scope = "link";
              };
          }
          {
            routeConfig =
              {
                Destination = "192.168.8.0/24";
                Scope = "link";
              };
          }
        ];
      };
    };

    links = {
      "40-enp4s0" = {
        matchConfig = {
          Name = "enp4s0";
        };
        linkConfig = {
          WakeOnLan = "magic";
        };
      };
    };
  };

  services.openssh.enable = true;
  programs.ssh.startAgent = true;

  services.envfs.enable = true;

  services.sunshine = {
    enable = true;
    user = "erwin";
    openFirewall = true;
  };

  powerManagement.powerUpCommands = ''
    ${pkgs.powertop}/bin/powertop --auto-tune
    ${pkgs.coreutils}/bin/echo 'on' > /sys/bus/usb/devices/5-4.2/power/control # Logitech G502 HERO SE
    ${pkgs.coreutils}/bin/echo 'on' > /sys/bus/usb/devices/5-4.1/power/control # splitkb Kyria rev1
  '';

  services.nfs.server = {
    enable = true;
    exports = ''
      /home/erwin/proxmox-backup 10.0.0.0/24(rw,sync,no_subtree_check,anonuid=1000,anongid=100,all_squash)
    '';
    lockdPort = 4101;
    mountdPort = 4102;
    statdPort = 4100;
  };

  sops.defaultSopsFile = ./secrets.yaml;
  sops.secrets = {
    ha_now_playing_token = {
      owner = "erwin";
    };
    gh_token = {
      owner = "erwin";
    };
    renovate_env = {
      owner = "erwin";
    };
    livebook_cookie = {
      owner = "erwin";
    };
    livebook-password = {
      owner = "erwin";
    };
    wireguard-horus-privkey = {
      owner = "systemd-network";
    };
  };

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "22.05"; # Did you read the comment?
}