1 files changed, 98 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/databases/virtuoso.nix b/nixpkgs/nixos/modules/services/databases/virtuoso.nix
new file mode 100644
index 000000000000..6ffc44a5274e
--- /dev/null
+++ b/nixpkgs/nixos/modules/services/databases/virtuoso.nix
@@ -0,0 +1,98 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.virtuoso;
+  virtuosoUser = "virtuoso";
+  stateDir = "/var/lib/virtuoso";
+in
+with lib;
+{
+
+  ###### interface
+
+  options = {
+
+    services.virtuoso = {
+
+      enable = mkOption {
+        default = false;
+        description = "Whether to enable Virtuoso Opensource database server.";
+      };
+
+      config = mkOption {
+        default = "";
+        description = "Extra options to put into Virtuoso configuration file.";
+      };
+
+      parameters = mkOption {
+        default = "";
+        description = "Extra options to put into [Parameters] section of Virtuoso configuration file.";
+      };
+
+      listenAddress = mkOption {
+        default = "1111";
+        example = "myserver:1323";
+        description = "ip:port or port to listen on.";
+      };
+
+      httpListenAddress = mkOption {
+        default = null;
+        example = "myserver:8080";
+        description = "ip:port or port for Virtuoso HTTP server to listen on.";
+      };
+
+      dirsAllowed = mkOption {
+        default = null;
+        example = "/www, /home/";
+        description = "A list of directories Virtuoso is allowed to access";
+      };
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    users.users = singleton
+      { name = virtuosoUser;
+        uid = config.ids.uids.virtuoso;
+        description = "virtuoso user";
+        home = stateDir;
+      };
+
+    systemd.services.virtuoso = {
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+
+      preStart = ''
+        mkdir -p ${stateDir}
+        chown ${virtuosoUser} ${stateDir}
+      '';
+
+      script = ''
+        cd ${stateDir}
+        ${pkgs.virtuoso}/bin/virtuoso-t +foreground +configfile ${pkgs.writeText "virtuoso.ini" cfg.config}
+      '';
+    };
+
+    services.virtuoso.config = ''
+      [Database]
+      DatabaseFile=${stateDir}/x-virtuoso.db
+      TransactionFile=${stateDir}/x-virtuoso.trx
+      ErrorLogFile=${stateDir}/x-virtuoso.log
+      xa_persistent_file=${stateDir}/x-virtuoso.pxa
+
+      [Parameters]
+      ServerPort=${cfg.listenAddress}
+      RunAs=${virtuosoUser}
+      ${optionalString (cfg.dirsAllowed != null) "DirsAllowed=${cfg.dirsAllowed}"}
+      ${cfg.parameters}
+
+      [HTTPServer]
+      ${optionalString (cfg.httpListenAddress != null) "ServerPort=${cfg.httpListenAddress}"}
+    '';
+
+  };
+
+}