packer-nixos/nixos/configuration.nix

{ config, pkgs, ... }:

{
  imports = [ 
    ./hardware-configuration.nix 
    ./sdk.nix
  ];

  # Use the GRUB 2 boot loader.
  boot.loader.grub.enable = true;
  boot.loader.grub.version = 2;
  boot.loader.grub.device = "/dev/sda";

  # hostname
  networking.hostName = "CycleSDK";

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  # Virtualbox guest
  services.virtualbox.enable = true;

  # Enable DBus
  services.dbus.enable    = true;

  # Enable postgres
  services.postgresql = {
    enable = true;
    package = pkgs.postgresql93;
    enableTCPIP = true;
    authentication = pkgs.lib.mkForce ''
      local all all              trust
      host  all all 127.0.0.1/32 trust
    '';
    initialScript = "/etc/nixos/init.psql"; 
  };

  # Default packages
  environment.systemPackages = with pkgs; [
    git
  ];

  # Creates a "vagrant" users with password-less sudo access
  users = {
    extraGroups = [ { name = "vagrant"; } { name = "vboxsf"; } ];
    extraUsers  = [ {
      description     = "Vagrant User";
      name            = "vagrant";
      group           = "vagrant";
      extraGroups     = [ "users" "vboxsf" "wheel" ];
      password        = "vagrant";
      home            = "/home/vagrant";
      createHome      = true;
      useDefaultShell = true;
      openssh.authorizedKeys.keys = [
        "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key"
      ];
    } ];
  };

  security.sudo.configFile = ''
    Defaults:root,%wheel env_keep+=LOCALE_ARCHIVE
    Defaults:root,%wheel env_keep+=NIX_PATH
    Defaults:root,%wheel env_keep+=TERMINFO_DIRS
    Defaults env_keep+=SSH_AUTH_SOCK
    Defaults lecture = never
    root   ALL=(ALL) SETENV: ALL
    %wheel ALL=(ALL) NOPASSWD: ALL, SETENV: ALL
  '';

}