nixpkgs/nixos/modules/services/networking/dnsmasq.nix

98 lines
2 KiB
Nix
Raw Normal View History

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.dnsmasq;
dnsmasq = pkgs.dnsmasq;
2012-11-12 16:58:48 +00:00
dnsmasqConf = pkgs.writeText "dnsmasq.conf" ''
${optionalString cfg.resolveLocalQueries ''
conf-file=/etc/dnsmasq-conf.conf
resolv-file=/etc/dnsmasq-resolv.conf
''}
${cfg.extraConfig}
2012-11-12 16:58:48 +00:00
'';
in
{
###### interface
options = {
services.dnsmasq = {
enable = mkOption {
default = false;
description = ''
Whether to run dnsmasq.
'';
};
resolveLocalQueries = mkOption {
default = true;
description = ''
Whether dnsmasq should resolve local queries (i.e. add 127.0.0.1 to
/etc/resolv.conf)
'';
};
servers = mkOption {
default = [];
example = [ "8.8.8.8" "8.8.4.4" ];
description = ''
The parameter to dnsmasq -S.
'';
};
2012-11-12 16:58:48 +00:00
extraConfig = mkOption {
type = types.string;
default = "";
description = ''
Extra configuration directives that should be added to
<literal>dnsmasq.conf</literal>
'';
};
};
};
###### implementation
config = mkIf config.services.dnsmasq.enable {
environment.systemPackages = [ dnsmasq ]
++ (if cfg.resolveLocalQueries then [ pkgs.openresolv ] else []);
services.dbus.packages = [ dnsmasq ];
users.extraUsers = singleton
{ name = "dnsmasq";
uid = config.ids.uids.dnsmasq;
description = "Dnsmasq daemon user";
home = "/var/empty";
};
systemd.services.dnsmasq = {
description = "dnsmasq daemon";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "dbus";
BusName = "uk.org.thekelleys.dnsmasq";
ExecStartPre = "${dnsmasq}/bin/dnsmasq --test";
ExecStart = "${dnsmasq}/bin/dnsmasq -k --enable-dbus --user=dnsmasq -C ${dnsmasqConf}";
ExecReload = "${dnsmasq}/bin/kill -HUP $MAINPID";
};
};
};
}