config/hosts/vno1-rp3b/configuration.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running `nixos-help`).
{
  config,
  pkgs,
  myData,
  ...
}: {
  # previously:
  # imports = [(modulesPath + "/installer/scan/not-detected.nix")];
  # as of 23.05 that is:
  hardware.enableRedistributableFirmware = true;

  boot.initrd.availableKernelModules = ["usbhid"];
  boot.initrd.kernelModules = ["vc4" "bcm2835_dma" "i2c_bcm2835"];
  boot.kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
  boot.kernelParams = ["cma=320M"];
  boot.kernelModules = [];
  boot.extraModulePackages = [];
  boot.loader.grub.enable = false;
  boot.loader.generic-extlinux-compatible.enable = true;

  boot.loader.raspberryPi.firmwareConfig = ''
    dtparam=audio=on
  '';
  powerManagement.cpuFreqGovernor = "ondemand";

  fileSystems."/" = {
    device = "/dev/disk/by-uuid/44444444-4444-4444-8888-888888888888";
    fsType = "ext4";
  };

  swapDevices = [];

  mj = {
    stateVersion = "23.05";
    timeZone = "Europe/Vilnius";
    base = {
      users.passwd = {
        root.passwordFile = config.age.secrets.root-passwd-hash.path;
        motiejus.passwordFile = config.age.secrets.motiejus-passwd-hash.path;
      };
      unitstatus = {
        enable = true;
        email = "motiejus+alerts@jakstys.lt";
      };
    };

    services = {
      node_exporter.enable = true;

      postfix = {
        enable = true;
        saslPasswdPath = config.age.secrets.sasl-passwd.path;
      };

      deployerbot = {
        follower = {
          enable = true;
          uidgid = myData.uidgid.updaterbot-deployee;
          publicKey = myData.hosts."vno1-oh2.servers.jakst".publicKey;
        };
      };
    };
  };

  services.tailscale.enable = true;

  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };

  users.extraUsers.kodi.isNormalUser = true;
  services.cage.user = "kodi";
  services.cage.program = let
    kodi-wayland = pkgs.kodi-wayland.passthru.withPackages (kodiPkgs: [
      kodiPkgs.youtube
    ]);
  in "${kodi-wayland}/bin/kodi-standalone";
  services.cage.enable = true;

  #services.greetd = {
  #  enable = true;
  #  settings = rec {
  #    initial_session = let
  #      kodi-wayland = pkgs.kodi-wayland.passthru.withPackages (kodiPkgs: [
  #        kodiPkgs.youtube
  #      ]);
  #    in {
  #      command = "${kodi-wayland}/bin/kodi-standalone";
  #      user = "kodi";
  #    };
  #    default_session = initial_session;
  #  };
  #};

  environment.systemPackages = with pkgs; [
    libraspberrypi
  ];

  networking = {
    hostId = "4bd17751";
    hostName = "vno1-rp3b";
    domain = "servers.jakst";
    defaultGateway = "192.168.189.4";
    nameservers = ["192.168.189.4"];
    interfaces.enu1u1u1.ipv4.addresses = [
      {
        address = "192.168.189.5";
        prefixLength = 24;
      }
    ];
    firewall = {
      allowedUDPPorts = [myData.ports.kodi];
      allowedTCPPorts = [myData.ports.kodi];
      logRefusedConnections = false;
      checkReversePath = "loose"; # for tailscale
    };
  };

  nixpkgs.hostPlatform = "aarch64-linux";

  security.rtkit.enable = true;
}