62 lines
2.1 KiB
Nix
62 lines
2.1 KiB
Nix
{ lib, pkgs, config, ... }:
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with lib;
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let
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inherit (lib.types) attrsOf coercedTo listOf oneOf str int bool;
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cfg = config.services.smartdns;
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confFile = pkgs.writeText "smartdns.conf" (with generators;
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toKeyValue {
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mkKeyValue = mkKeyValueDefault {
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mkValueString = v:
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if isBool v then
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if v then "yes" else "no"
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else
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mkValueStringDefault { } v;
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} " ";
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listsAsDuplicateKeys =
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true; # Allowing duplications because we need to deal with multiple entries with the same key.
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} cfg.settings);
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in {
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options.services.smartdns = {
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enable = mkEnableOption (lib.mdDoc "SmartDNS DNS server");
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bindPort = mkOption {
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type = types.port;
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default = 53;
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description = lib.mdDoc "DNS listening port number.";
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};
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settings = mkOption {
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type =
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let atom = oneOf [ str int bool ];
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in attrsOf (coercedTo atom toList (listOf atom));
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example = literalExpression ''
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{
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bind = ":5353 -no-rule -group example";
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cache-size = 4096;
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server-tls = [ "8.8.8.8:853" "1.1.1.1:853" ];
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server-https = "https://cloudflare-dns.com/dns-query -exclude-default-group";
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prefetch-domain = true;
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speed-check-mode = "ping,tcp:80";
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};
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'';
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description = lib.mdDoc ''
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A set that will be generated into configuration file, see the [SmartDNS README](https://github.com/pymumu/smartdns/blob/master/ReadMe_en.md#configuration-parameter) for details of configuration parameters.
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You could override the options here like {option}`services.smartdns.bindPort` by writing `settings.bind = ":5353 -no-rule -group example";`.
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'';
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};
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};
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config = lib.mkIf cfg.enable {
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services.smartdns.settings.bind = mkDefault ":${toString cfg.bindPort}";
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systemd.packages = [ pkgs.smartdns ];
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systemd.services.smartdns.wantedBy = [ "multi-user.target" ];
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systemd.services.smartdns.restartTriggers = [ confFile ];
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environment.etc."smartdns/smartdns.conf".source = confFile;
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environment.etc."default/smartdns".source =
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"${pkgs.smartdns}/etc/default/smartdns";
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};
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}
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