config/hosts/vno1-oh2/configuration.nix

{
  config,
  pkgs,
  myData,
  ...
}: {
  zfs-root = {
    boot = {
      enable = true;
      devNodes = "/dev/disk/by-id/";
      bootDevices = ["nvme-Samsung_SSD_970_EVO_Plus_2TB_S6P1NX0TA00913P"];
      immutable = false;
      availableKernelModules = ["ahci" "xhci_pci" "nvme" "usbhid" "sdhci_pci" "r8169"];
      removableEfi = true;
      kernelParams = [
        "ip=192.168.189.1::192.168.189.4:255.255.255.0:vno1-oh2.jakstys.lt:enp3s0:off"
      ];
      sshUnlock = {
        enable = true;
        authorizedKeys =
          (builtins.attrValues myData.people_pubkeys)
          ++ [myData.hosts."hel1-a.servers.jakst".publicKey];
      };
    };
  };

  mj = {
    stateVersion = "23.05";
    timeZone = "Europe/Vilnius";

    base = {
      zfs.enable = true;
      users.passwd = {
        root.passwordFile = config.age.secrets.root-passwd-hash.path;
        motiejus.passwordFile = config.age.secrets.motiejus-passwd-hash.path;
      };

      snapshot = {
        enable = true;
        mountpoints = ["/home"];
      };

      zfsborg = {
        enable = true;
        passwordPath = config.age.secrets.borgbackup-password.path;
        sshKeyPath = "/etc/ssh/ssh_host_ed25519_key";
        mountpoints = {
          "/home" = {
            repo = "zh2769@zh2769.rsync.net:${config.networking.hostName}.${config.networking.domain}-home-motiejus-annex2";
            paths = [
              "/home/.snapshot-latest/motiejus/annex2"
              "/home/.snapshot-latest/motiejus/.config/syncthing"
            ];
            backup_at = "*-*-* 00:05:00";
          };
        };
      };

      unitstatus = {
        enable = true;
        email = "motiejus+alerts@jakstys.lt";
      };
    };

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

      syncthing = {
        enable = true;
        dataDir = "/home/motiejus/";
        user = "motiejus";
        group = "users";
      };

      zfsunlock = {
        enable = true;
        targets."hel1-a.servers.jakst" = {
          sshEndpoint = myData.hosts."hel1-a.servers.jakst".publicIP;
          pingEndpoint = "hel1-a.servers.jakst";
          remotePubkey = myData.hosts."hel1-a.servers.jakst".initrdPubKey;
          pwFile = config.age.secrets.zfs-passphrase-hel1-a.path;
          startAt = "*-*-* *:00/5:00";
        };
      };
    };
  };

  users = {
    users = {
      # TODO: git config --global user.email bot@jakstys.lt
      updaterbot = {
        description = "Dear Updater Bot";
        home = "/var/lib/updaterbot";
        useDefaultShell = true;
        group = "updaterbot";
        isSystemUser = true;
        createHome = true;
        uid = myData.uidgid.updaterbot;
      };
    };

    groups = {
      updaterbot.gid = myData.uidgid.updaterbot;
    };
  };

  nix.settings.trusted-users = ["updaterbot"];

  services = {
    tailscale.enable = true;

    nsd = {
      enable = true;
      interfaces = ["0.0.0.0" "::"];
      zones = {
        "jakstys.lt.".data = myData.jakstysLTZone;
      };
    };
  };

  networking = {
    hostId = "f9117e1b";
    hostName = "vno1-oh2";
    domain = "servers.jakst";
    defaultGateway = "192.168.189.4";
    nameservers = ["192.168.189.4"];
    interfaces.enp3s0.ipv4.addresses = [
      {
        address = "192.168.189.1";
        prefixLength = 24;
      }
    ];
  };
}