{ config, lib, pkgs, ... }:

let
  inherit (lib) mkIf mkMerge mkThenElse;
  annuaire = config.r6d.machines;
  currentMachine = annuaire."${config.networking.hostName}";
  flags = currentMachine.configurationFlags;
in
# TODO: ménage
mkIf flags.hydra-builder {

  # Paquets
  environment.systemPackages = with pkgs; [
    kvm
    qemu
    virtualbox
  ];

  # Services

  ## Services de virtualisation utilisé pour les tests hydra
  virtualisation = {
    docker.enable = true;
    libvirtd = {
      enable = true;
      enableKVM = true;
    };
    virtualbox = {
      #guest.enable = true;
      host.enable = true;
      host.headless = true;
    };
  };

  ## Ménage automatique tous les jours - Frequent garbage collection is a good idea for build machines.
  nix.gc = {
    automatic = true;
    dates = "*:0/30";
  };

  # users.users."hydrabld" = {
  #   description = "Execution des jobs hydra";
  #   group = "nixbld";
  #   extraGroups = [
  #     "docker"
  #     "nixbld"
  #     "vboxusers"
  #   ];
  #   isNormalUser = true;  # devrait être à false: TODO débugger la conf ssh & users pour que ça marche en user système

  #   openssh.authorizedKeys.keys = [
  #     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGYpjcWJCf8dXpv2LmoIaNVbwZXEC50QUU6Az+lqeD89 hydra radx"
  #   ];
  # };
}