nixpkgs/nixos/modules/services/networking/powerdns.nix
2016-09-18 14:52:44 +02:00

51 lines
1.7 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.powerdns;
configDir = pkgs.writeTextDir "pdns.conf" "${cfg.extraConfig}";
in {
options = {
services.powerdns = {
enable = mkEnableOption "Powerdns domain name server";
extraConfig = mkOption {
type = types.lines;
default = "launch=bind";
description = ''
Extra lines to be added verbatim to pdns.conf.
Powerdns will chroot to /var/lib/powerdns.
So any file, powerdns is supposed to be read,
should be in /var/lib/powerdns and needs to specified
relative to the chroot.
'';
};
};
};
config = mkIf config.services.powerdns.enable {
systemd.services.pdns = {
unitConfig.Documentation = "man:pdns_server(1) man:pdns_control(1)";
description = "Powerdns name server";
wantedBy = [ "multi-user.target" ];
after = ["network.target" "mysql.service" "postgresql.service" "openldap.service"];
serviceConfig = {
Restart="on-failure";
RestartSec="1";
StartLimitInterval="0";
PrivateTmp=true;
PrivateDevices=true;
CapabilityBoundingSet="CAP_CHOWN CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_CHROOT";
NoNewPrivileges=true;
ExecStartPre = "${pkgs.coreutils}/bin/mkdir -p /var/lib/powerdns";
ExecStart = "${pkgs.powerdns}/bin/pdns_server --setuid=nobody --setgid=nogroup --chroot=/var/lib/powerdns --socket-dir=/ --daemon=no --guardian=no --disable-syslog --write-pid=no --config-dir=${configDir}";
ProtectSystem="full";
ProtectHome=true;
RestrictAddressFamilies="AF_UNIX AF_INET AF_INET6";
};
};
};
}