60 lines
1.6 KiB
Nix
60 lines
1.6 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.services.coredns;
|
|
configFile = pkgs.writeText "Corefile" cfg.config;
|
|
in {
|
|
options.services.coredns = {
|
|
enable = mkEnableOption (lib.mdDoc "Coredns dns server");
|
|
|
|
config = mkOption {
|
|
default = "";
|
|
example = ''
|
|
. {
|
|
whoami
|
|
}
|
|
'';
|
|
type = types.lines;
|
|
description = lib.mdDoc ''
|
|
Verbatim Corefile to use.
|
|
See <https://coredns.io/manual/toc/#configuration> for details.
|
|
'';
|
|
};
|
|
|
|
package = mkOption {
|
|
default = pkgs.coredns;
|
|
defaultText = literalExpression "pkgs.coredns";
|
|
type = types.package;
|
|
description = lib.mdDoc "Coredns package to use.";
|
|
};
|
|
|
|
extraArgs = mkOption {
|
|
default = [];
|
|
example = [ "-dns.port=53" ];
|
|
type = types.listOf types.str;
|
|
description = lib.mdDoc "Extra arguments to pass to coredns.";
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
systemd.services.coredns = {
|
|
description = "Coredns dns server";
|
|
after = [ "network.target" ];
|
|
wantedBy = [ "multi-user.target" ];
|
|
serviceConfig = {
|
|
PermissionsStartOnly = true;
|
|
LimitNPROC = 512;
|
|
LimitNOFILE = 1048576;
|
|
CapabilityBoundingSet = "cap_net_bind_service";
|
|
AmbientCapabilities = "cap_net_bind_service";
|
|
NoNewPrivileges = true;
|
|
DynamicUser = true;
|
|
ExecStart = "${getBin cfg.package}/bin/coredns -conf=${configFile} ${lib.escapeShellArgs cfg.extraArgs}";
|
|
ExecReload = "${pkgs.coreutils}/bin/kill -SIGUSR1 $MAINPID";
|
|
Restart = "on-failure";
|
|
};
|
|
};
|
|
};
|
|
}
|