diff options
Diffstat (limited to 'nixos/modules/services/networking/smartdns.nix')
-rw-r--r-- | nixos/modules/services/networking/smartdns.nix | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/nixos/modules/services/networking/smartdns.nix b/nixos/modules/services/networking/smartdns.nix new file mode 100644 index 00000000000..7f9df42ce9c --- /dev/null +++ b/nixos/modules/services/networking/smartdns.nix @@ -0,0 +1,62 @@ +{ lib, pkgs, config, ... }: + +with lib; + +let + inherit (lib.types) attrsOf coercedTo listOf oneOf str int bool; + cfg = config.services.smartdns; + + confFile = pkgs.writeText "smartdns.conf" (with generators; + toKeyValue { + mkKeyValue = mkKeyValueDefault { + mkValueString = v: + if isBool v then + if v then "yes" else "no" + else + mkValueStringDefault { } v; + } " "; + listsAsDuplicateKeys = + true; # Allowing duplications because we need to deal with multiple entries with the same key. + } cfg.settings); +in { + options.services.smartdns = { + enable = mkEnableOption "SmartDNS DNS server"; + + bindPort = mkOption { + type = types.port; + default = 53; + description = "DNS listening port number."; + }; + + settings = mkOption { + type = + let atom = oneOf [ str int bool ]; + in attrsOf (coercedTo atom toList (listOf atom)); + example = literalExpression '' + { + bind = ":5353 -no-rule -group example"; + cache-size = 4096; + server-tls = [ "8.8.8.8:853" "1.1.1.1:853" ]; + server-https = "https://cloudflare-dns.com/dns-query -exclude-default-group"; + prefetch-domain = true; + speed-check-mode = "ping,tcp:80"; + }; + ''; + description = '' + A set that will be generated into configuration file, see the <link xlink:href="https://github.com/pymumu/smartdns/blob/master/ReadMe_en.md#configuration-parameter">SmartDNS README</link> for details of configuration parameters. + You could override the options here like <option>services.smartdns.bindPort</option> by writing <literal>settings.bind = ":5353 -no-rule -group example";</literal>. + ''; + }; + }; + + config = lib.mkIf cfg.enable { + services.smartdns.settings.bind = mkDefault ":${toString cfg.bindPort}"; + + systemd.packages = [ pkgs.smartdns ]; + systemd.services.smartdns.wantedBy = [ "multi-user.target" ]; + systemd.services.smartdns.restartTriggers = [ confFile ]; + environment.etc."smartdns/smartdns.conf".source = confFile; + environment.etc."default/smartdns".source = + "${pkgs.smartdns}/etc/default/smartdns"; + }; +} |