nixpkgs/nixos/modules/services/networking/zerotierone.nix
2021-10-04 12:47:20 +02:00

82 lines
2.0 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.zerotierone;
in
{
options.services.zerotierone.enable = mkEnableOption "ZeroTierOne";
options.services.zerotierone.joinNetworks = mkOption {
default = [];
example = [ "a8a2c3c10c1a68de" ];
type = types.listOf types.str;
description = ''
List of ZeroTier Network IDs to join on startup
'';
};
options.services.zerotierone.port = mkOption {
default = 9993;
type = types.int;
description = ''
Network port used by ZeroTier.
'';
};
options.services.zerotierone.package = mkOption {
default = pkgs.zerotierone;
defaultText = literalExpression "pkgs.zerotierone";
type = types.package;
description = ''
ZeroTier One package to use.
'';
};
config = mkIf cfg.enable {
systemd.services.zerotierone = {
description = "ZeroTierOne";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
wants = [ "network-online.target" ];
path = [ cfg.package ];
preStart = ''
mkdir -p /var/lib/zerotier-one/networks.d
chmod 700 /var/lib/zerotier-one
chown -R root:root /var/lib/zerotier-one
'' + (concatMapStrings (netId: ''
touch "/var/lib/zerotier-one/networks.d/${netId}.conf"
'') cfg.joinNetworks);
serviceConfig = {
ExecStart = "${cfg.package}/bin/zerotier-one -p${toString cfg.port}";
Restart = "always";
KillMode = "process";
TimeoutStopSec = 5;
};
};
# ZeroTier does not issue DHCP leases, but some strangers might...
networking.dhcpcd.denyInterfaces = [ "zt*" ];
# ZeroTier receives UDP transmissions
networking.firewall.allowedUDPPorts = [ cfg.port ];
environment.systemPackages = [ cfg.package ];
# Prevent systemd from potentially changing the MAC address
systemd.network.links."50-zerotier" = {
matchConfig = {
OriginalName = "zt*";
};
linkConfig = {
AutoNegotiation = false;
MACAddressPolicy = "none";
};
};
};
}