nixos/mathics: New service and test

nixos/modules/misc/ids.nix

···
       bepasty = 215;
       pumpio = 216;
       nm-openvpn = 217;
+      mathics = 218;
 
       # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
 
···
       bepasty = 215;
       pumpio = 216;
       nm-openvpn = 217;
+      mathics = 218;
 
       # When adding a gid, make sure it doesn't match an existing
       # uid. Users and groups with the same name should have equal

nixos/modules/module-list.nix

···
   ./services/misc/gitolite.nix
   ./services/misc/gpsd.nix
   ./services/misc/ihaskell.nix
+  ./services/misc/mathics.nix
   ./services/misc/mbpfan.nix
   ./services/misc/mediatomb.nix
   ./services/misc/mesos-master.nix

nixos/modules/services/misc/mathics.nix

···
+{ pkgs, lib, config, ... }:
+
+with lib;
+
+let
+  cfg = config.services.mathics;
+
+in {
+  options = {
+    services.mathics = {
+      enable = mkEnableOption "Mathics notebook service";
+
+      external = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Listen on all interfaces, rather than just localhost?";
+      };
+
+      port = mkOption {
+        type = types.int;
+        default = 8000;
+        description = "TCP port to listen on.";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers.mathics = {
+      group = config.users.extraGroups.mathics.name;
+      description = "Mathics user";
+      home = "/var/lib/mathics";
+      createHome = true;
+      uid = config.ids.uids.mathics;
+    };
+
+    users.extraGroups.mathics.gid = config.ids.gids.mathics;
+
+    systemd.services.mathics = {
+      description = "Mathics notebook server";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      serviceConfig = {
+        User = config.users.extraUsers.mathics.name;
+        Group = config.users.extraGroups.mathics.name;
+        ExecStart = concatStringsSep " " [
+          "${pkgs.mathics}/bin/mathicsserver"
+          "--port" (toString cfg.port)
+          (if cfg.external then "--external" else "")
+        ];
+      };
+    };
+  };
+}

nixos/release.nix

···
   #tests.lightdm = callTest tests/lightdm.nix {};
   tests.login = callTest tests/login.nix {};
   #tests.logstash = callTest tests/logstash.nix {};
+  tests.mathics = callTest tests/mathics.nix {};
   tests.misc = callTest tests/misc.nix {};
   tests.mumble = callTest tests/mumble.nix {};
   tests.munin = callTest tests/munin.nix {};

nixos/tests/mathics.nix

···
+import ./make-test.nix ({ pkgs, ... }: {
+  name = "mathics";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ benley ];
+  };
+
+  nodes = {
+    machine = { config, pkgs, ... }: {
+      services.mathics.enable = true;
+      services.mathics.port = 8888;
+    };
+  };
+
+  testScript = ''
+    startAll;
+    $machine->waitForUnit("mathics.service");
+    $machine->waitForOpenPort(8888);
+    $machine->succeed("curl http://localhost:8888/");
+  '';
+})