nixos-configs/hosts/wireguard/configuration.nix

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2021-12-22 21:23:03 +01:00
{ config, pkgs, lib, ... }:
let secrets = import ./secrets.nix;
in {
imports = [
# Include the results of the hardware scan.
./hardware-configuration.nix
# Import common config
../../common/generic-vm.nix
../../common
];
boot.loader.grub.enable = true;
boot.loader.grub.version = 2;
boot.loader.grub.device = "/dev/sda";
# networking.hostName = "nixos"; # Define your hostname.
# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
# Set your time zone.
time.timeZone = "Europe/Amsterdam";
networking.hostName = "wireguard";
# This value determines the NixOS release from which the default
# settings for stateful data, like file locations and database versions
# on your system were taken. Its perfectly fine and recommended to leave
# this value at the release version of the first install of this system.
# Before changing this value read the documentation for this option
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "21.11"; # Did you read the comment?
environment.systemPackages = with pkgs; [ wireguard ];
environment.noXlibs = lib.mkForce false;
networking.firewall.allowedTCPPorts = [ ];
networking.nat.enable = true;
networking.nat.externalInterface = "ens18";
networking.nat.internalInterfaces = [ "wg0" ];
networking.firewall.allowedUDPPorts = [ 51820 ];
networking.wireguard.interfaces = {
wg0 = {
ips = [ "10.42.69.1/24" ];
listenPort = 51820;
postSetup = ''
${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.42.69.0/24 -o ens18 -j MASQUERADE
'';
# This undoes the above command
postShutdown = ''
${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.42.69.0/24 -o ens18 -j MASQUERADE
'';
privateKey = secrets.serverPrivate;
peers = [
{
publicKey = secrets.laptopPublic;
allowedIPs = [ "10.42.69.2/32" ];
}
{
publicKey = secrets.phonePublic;
allowedIPs = [ "10.42.69.3/32" ];
}
];
};
};
}