nixfiles/configuration/common/default.nix

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

{
  imports = [
    ../../modules

    ./web.nix
  ];

  networking.domain = "net.clerie.de";

  networking.firewall.logRefusedConnections = lib.mkDefault false;

  time.timeZone = "Europe/Berlin";

  i18n.defaultLocale = "de_DE.UTF-8";
  i18n.extraLocaleSettings = {
    LC_MESSAGES = "en_US.UTF-8";
  };
  console = {
    keyMap = "de-latin1";
  };

  security.sudo.wheelNeedsPassword = lib.mkDefault false;

  users.groups.guests = {};

  nix.settings = {
    trusted-users = [ "@wheel" "@guests" ];
    auto-optimise-store = true;
    # Keep buildtime dependencies
    keep-outputs = true;
    # Build local, when caches are broken
    fallback = true;
  };

  environment.systemPackages = with pkgs; [
    gptfdisk
    htop
    parted
    tmux
    colmena
    vim
    agenix
  ];

  programs.mtr.enable = true;

  programs.git.enable = true;

  programs.git.config = {
    user = {
      name = "clerie";
      email = "git@clerie.de";
    };
  };

  services.openssh.enable = true;
  services.openssh.settings = {
    PasswordAuthentication = false;
    KbdInteractiveAuthentication = false;
    PermitRootLogin = lib.mkDefault "no";
  };
  services.openssh.hostKeys = lib.mkForce [
    # Only create ed25519 host keys
    { type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
  ];

  nix.gc = lib.mkDefault {
    automatic = true;
    dates = "weekly";
    options = "--delete-older-than 30d";
  };


  nix.settings = {
    experimental-features = [
      "flakes"
      "nix-command"
      "repl-flake"
    ];
    substituters = [
      "https://nix-cache.clerie.de"
    ];
    trusted-public-keys = [
      "nix-cache.clerie.de:bAt1GJTS9BOTcXFWj3nURrSlcjqikCev9yDvqArMP5g="
    ];
  };

  # Pin current nixpkgs channel and flake registry to the nixpkgs version
  # the host got build with
  nix.nixPath = lib.mkForce [ "nixpkgs=${lib.cleanSource pkgs.path}" ];
  nix.registry = lib.mkForce {
    "nixpkgs" = {
       from = {
         type = "indirect";
         id = "nixpkgs";
       };
       to = {
         type = "path";
         path = lib.cleanSource pkgs.path;
       };
       exact = true;
    };
  };

  services.fstrim.enable = true;

  clerie.nixfiles.enable = true;

  clerie.backup = {
    targets = {
      cyan.serverName = "cyan.backup.clerie.de";
      magenta.serverName = "magenta.backup.clerie.de";
    };
  };

  documentation.doc.enable = false;

  nixpkgs.overlays = [
    (import ../../pkgs/overlay.nix)
  ];
}