Merge pull request #174446 from jsimonetti/routedns-init

routedns: init at 0.1.5

maintainers/maintainer-list.nix

@@ -6353,6 +6353,13 @@
     github = "jsierles";
     githubId = 82;
   };
+  jsimonetti = {
+    email = "jeroen+nixpkgs@simonetti.nl";
+    matrix = "@jeroen:simonetti.nl";
+    name = "Jeroen Simonetti";
+    github = "jsimonetti";
+    githubId = 5478838;
+  };
   jtcoolen = {
     email = "jtcoolen@pm.me";
     name = "Julien Coolen";

nixos/modules/module-list.nix

@@ -893,6 +893,7 @@
   ./services/networking/redsocks.nix
   ./services/networking/resilio.nix
   ./services/networking/robustirc-bridge.nix
+  ./services/networking/routedns.nix
   ./services/networking/rpcbind.nix
   ./services/networking/rxe.nix
   ./services/networking/sabnzbd.nix

nixos/modules/services/networking/routedns.nix

@@ -0,0 +1,84 @@
+{ config
+, lib
+, pkgs
+, ...
+}:
+
+with lib;
+
+let
+  cfg = config.services.routedns;
+  settingsFormat = pkgs.formats.toml { };
+in
+{
+  options.services.routedns = {
+    enable = mkEnableOption "RouteDNS - DNS stub resolver, proxy and router";
+
+    settings = mkOption {
+      type = settingsFormat.type;
+      example = literalExpression ''
+        {
+          resolvers.cloudflare-dot = {
+            address = "1.1.1.1:853";
+            protocol = "dot";
+          };
+          groups.cloudflare-cached = {
+            type = "cache";
+            resolvers = ["cloudflare-dot"];
+          };
+          listeners.local-udp = {
+            address = "127.0.0.1:53";
+            protocol = "udp";
+            resolver = "cloudflare-cached";
+          };
+          listeners.local-tcp = {
+            address = "127.0.0.1:53";
+            protocol = "tcp";
+            resolver = "cloudflare-cached";
+          };
+        }
+      '';
+      description = ''
+        Configuration for RouteDNS, see <link xlink:href="https://github.com/folbricht/routedns/blob/master/doc/configuration.md"/>
+        for more information.
+      '';
+    };
+
+    configFile = mkOption {
+      default = settingsFormat.generate "routedns.toml" cfg.settings;
+      defaultText = "A RouteDNS configuration file automatically generated by values from services.routedns.*";
+      type = types.path;
+      example = literalExpression ''"''${pkgs.routedns}/cmd/routedns/example-config/use-case-1.toml"'';
+      description = "Path to RouteDNS TOML configuration file.";
+    };
+
+    package = mkOption {
+      default = pkgs.routedns;
+      defaultText = literalExpression "pkgs.routedns";
+      type = types.package;
+      description = "RouteDNS package to use.";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.routedns = {
+      description = "RouteDNS - DNS stub resolver, proxy and router";
+      after = [ "network.target" ]; # in case a bootstrap resolver is used, this might fail a few times until the respective server is actually reachable
+      wantedBy = [ "multi-user.target" ];
+      wants = [ "network.target" ];
+      startLimitIntervalSec = 30;
+      startLimitBurst = 5;
+      serviceConfig = {
+        Restart = "on-failure";
+        RestartSec = "5s";
+        LimitNPROC = 512;
+        LimitNOFILE = 1048576;
+        DynamicUser = true;
+        AmbientCapabilities = "CAP_NET_BIND_SERVICE";
+        NoNewPrivileges = true;
+        ExecStart = "${getBin cfg.package}/bin/routedns -l 4 ${cfg.configFile}";
+      };
+    };
+  };
+  meta.maintainers = with maintainers; [ jsimonetti ];
+}

pkgs/tools/networking/routedns/default.nix

@@ -0,0 +1,29 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+}:
+
+buildGoModule rec {
+  pname = "routedns";
+  version = "0.1.5";
+
+  src = fetchFromGitHub {
+    owner = "folbricht";
+    repo = "routedns";
+    # https://github.com/folbricht/routedns/issues/237
+    rev = "02f14a567fee2a289810979446f5260b8a31bf73";
+    sha256 = "sha256-oImimNBz1qizUPD6qHi73fGKNCu5cii99GIUo21e+bs=";
+  };
+
+  vendorSha256 = "sha256-T6adpxJgOPGy+UOOlGAAf1gjk1wJxwOc9enfv9X3LBE=";
+
+  subPackages = [ "./cmd/routedns" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/folbricht/routedns";
+    description = "DNS stub resolver, proxy and router";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ jsimonetti ];
+    platforms = platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -29872,6 +29872,10 @@ with pkgs;
 
   robustirc-bridge = callPackage ../servers/irc/robustirc-bridge { };
 
+  routedns = callPackage ../tools/networking/routedns {
+    buildGoModule = buildGo118Module;
+  };
+
   skrooge = libsForQt5.callPackage ../applications/office/skrooge {};
 
   smartgithg = callPackage ../applications/version-management/smartgithg {