1{ config, lib, pkgs, ... }: 2 3with lib; 4 5{ 6 7 options = { 8 9 services.resolved.enable = mkOption { 10 default = false; 11 type = types.bool; 12 description = '' 13 Whether to enable the systemd DNS resolver daemon. 14 ''; 15 }; 16 17 }; 18 19 config = mkIf config.services.resolved.enable { 20 21 systemd.additionalUpstreamSystemUnits = [ "systemd-resolved.service" ]; 22 23 systemd.services.systemd-resolved = { 24 wantedBy = [ "multi-user.target" ]; 25 restartTriggers = [ config.environment.etc."systemd/resolved.conf".source ]; 26 }; 27 28 environment.etc."systemd/resolved.conf".text = '' 29 [Resolve] 30 DNS=${concatStringsSep " " config.networking.nameservers} 31 ''; 32 33 }; 34 35}