nix-config/systems/aarch64-linux/pi5/default.nix

# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page, on
# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).

{
  lib,
  namespace,
  ...
}:
let
  net = lib.${namespace}.network;
in
{
  imports = [
    ./adguard.nix
    ./boot.nix
    ./sops.nix
  ];

  virtualisation.docker.enable = true;

  ${namespace} = {

    sops.enable = true;

    # ###################################################
    # #                 Impermanence                  # #
    # ###################################################
    impermanence = {
      enable = true;
      # extraDirectories = [
      #   {
      #     directory = "/var/cache/ccache";
      #     user = "nobody";
      #     group = "nobody";
      #     mode = "u=rwx,g=rwx,o=rx";
      #   }
      # ];
    };

    # ###################################################
    # #                   Hardware                    # #
    # ###################################################

    hardware = {
      disko = {
        enable = true;
        firmware = {
          enableFirmware = true;
        };
      };
      raspberry-pi = {
        enable = true;
        variant = "5";
        bootType = "uefi";
        pwm.enable = false;
        disable-wifi.enable = false;
        modesetting.enable = false;
        i2c.enable = false;
        apply-overlays-dtmerge.enable = false;

        overlays = {
          pi5DisableWifi.enable = true;
          pi5DisableBluetooth.enable = true;
          pi5i2c0.enable = true;
          pi5i2c1.enable = true;
          pi5i2c2.enable = true;
          pi5i2c3.enable = true;
          pi5Sdio.enable = true;
          pi5Spi21cs.enable = true;
          pi5Spi22cs.enable = true;
          pi5Spi31cs.enable = true;
          pi5Spi32cs.enable = true;
          pi5Spi51cs.enable = true;
          pi5Spi52cs.enable = true;
          pi5Uart0.enable = true;
          pi5Uart1.enable = true;
          pi5Uart2.enable = true;
          pi5Uart3.enable = true;
          pi5Uart4.enable = true;
          pi5Vc4Kms.enable = true;
          bcm2712d0.enable = true;
        };
      };
    };

    headless.enable = true;

    # ###################################################
    # #                    Desktop                    # #
    # ###################################################

    desktop.hyprland.enable = false;

    # ###################################################
    # #                     User                      # #
    # ###################################################

    user = {
      name = "matt";
      mutableUsers = false;
      extraGroups = [ "docker" ];
    };

    # ###################################################
    # #                   Services                    # #
    # ###################################################

    services = {
      attic = {
        enable = true;
        port = net.ports.pi5.attic;
        listenAddress = "[::]";
        environmentFile = "/run/secrets/pi5/attic-key";
        configDir = "/mnt/attic-store";
      };

      nebula = {
        enable = true;
        isLighthouse = true;
        port = 4242;
        secretsPrefix = "pi5/nebula";
        secretsFile = lib.snowfall.fs.get-file "secrets/pi5-secrets.yaml";
        hostSecretName = "lighthouse";
        stats = {
          enable = true;
          listenAddress = "0.0.0.0";
          statsPort = 8474;
        };
      };

      nebula-ui = {
        enable = true;
        port = 8473;
        networkName = "jallen-nebula";
        caCertSecretKey = "pi5/nebula/ca-cert";
        caKeySecretKey = "pi5/nebula/ca-key";
        secretsFile = lib.snowfall.fs.get-file "secrets/pi5-secrets.yaml";
        statsListenAddress = "0.0.0.0";
        statsPort = 8474;
        reverseProxy = {
          enable = true;
          subdomain = "nebula";
        };
      };
    };

    # ###################################################
    # #                   Network                     # #
    # ###################################################

    network = {
      hostName = net.hosts.pi5.hostname;
      ipv4 = {
        inherit (net.hosts.pi5) gateway;
        method = "manual";
        address = net.hosts.pi5.lan4;
        dns = "1.1.1.1";
        interface = "end0";
      };
      firewall = {
        enable = true;
        allowPing = true;
        allowedTCPPorts = [
          53
          net.ports.pi5.attic
        ];
        allowedUDPPorts = [ 53 ];
      };
      networkmanager.profiles = {
        "static-end0" = {
          type = "ethernet";
          interface = "end0";
        };
      };
    };
  };

  # ###################################################
  # #                  FileSystems                  # #
  # ###################################################

  fileSystems."/mnt/attic-store" = {
    device = "/dev/disk/by-uuid/E81DBFCC-066E-46A3-8018-AA3BF4573074";
    fsType = "xfs";
    options = [
      "defaults"
      "noatime"
      "nofail"
    ];
  };

  users = {
    users = {
      atticd = {
        isSystemUser = true;
        group = "atticd";
        extraGroups = [ "keys" ];
      };
    };
    groups = {
      atticd = { };
    };
  };

  boot.supportedFilesystems = [ "bcachefs" ];

  programs.seahorse.enable = false;
}