nixpkgs/nixos/modules/services/networking/coredns.nix
h7x4 0a37316d6c
treewide: use mkPackageOption
This commit replaces a lot of usages of `mkOption` with the package
type, to be `mkPackageOption`, in order to reduce the amount of code.
2023-11-27 01:28:36 +01:00

56 lines
1.5 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 = mkPackageOption pkgs "coredns" { };
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";
};
};
};
}