nixos-servers/nixos/modules/default.nix

{ lib, config, ... }:

let cfg = config.lab;
in
{
  imports = [
    ./storage.nix
    ./terraform-database
    ./ssh-certificates.nix
    ./k3s
    ./backups.nix
    ./networking
    ./data-sharing.nix
  ];

  options.lab.dataHost.enable = lib.mkOption {
    default = false;
    type = lib.types.bool;
    description = ''
      Whether this machine holds application data.
      This enables NFS and PostgreSQL to serve this data, and sets up backups.
      Also enables networking on the DMZ to enable serving data.
    '';
  };

  config.lab = lib.mkIf cfg.dataHost.enable {
    backups.enable = true;
    data-sharing.enable = true;
    networking.allowDMZConnectivity = true;
  };
}