os/hosts/droppie/droppie.nix

{ config, pkgs, lib, self, ... }:
with lib;
let
  psCfg = config.pub-solar;
  xdg = config.home-manager.users."${psCfg.user.name}".xdg;
in
{
  imports = [
    ./configuration.nix
  ];

  config = {
    hardware.cpu.intel.updateMicrocode = true;

    pub-solar.core.disk-encryption-active = false;

    security.sudo.extraRules = [
      {
        users = [ "${psCfg.user.name}" ];
        commands = [
          {
            command = "ALL";
            options = [ "NOPASSWD" ];
          }
        ];
      }
    ];

    systemd.user.services.ssh-tunnel-cloud-pub-solar = {
      unitConfig = {
        Description = "Reverse SSH connection to enable backups from IPv4-only to IPv6-only host";
        After = [ "network.target" ];
      };
      serviceConfig = {
        Type = "simple";
        ExecStart = "${pkgs.openssh}/bin/ssh -vvv -g -N -T -o 'ServerAliveInterval 10' -o 'ExitOnForwardFailure yes' -R 127.0.0.1:22022:localhost:22 root@cloud.pub.solar";
        Restart = "always";
        RestartSec = "5s";
      };
      wantedBy = [ "multi-user.target" ];
    };

    services.ddclient = {
      enable = true;
      ipv6 = true;
      domains = [ "backup.b12f.io" ];
      server = "ddns.hosting.de";
      username = "b12f";
      use = "web, web=http://checkip6.spdyn.de/, web-skip=''";
      passwordFile = "/run/agenix/dyndns-droppie.key";
    };

    age.secrets."dyndns-droppie.key" = {
      file = "${self}/secrets/dyndns-droppie.key";
      mode = "400";
      owner = "root";
    };
  };
}