canto-daemon: Add a systemd service

This adds a systemd service for the canto-daemon.

nixos/modules/module-list.nix

@@ -172,6 +172,7 @@
   ./services/mail/spamassassin.nix
   ./services/misc/apache-kafka.nix
   #./services/misc/autofs.nix
+  ./services/misc/canto-daemon.nix
   ./services/misc/cpuminer-cryptonight.nix
   ./services/misc/cgminer.nix
   ./services/misc/dictd.nix

nixos/modules/services/misc/canto-daemon.nix

@@ -0,0 +1,37 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+cfg = config.services.canto-daemon;
+
+in {
+
+##### interface
+
+  options = {
+
+    services.canto-daemon {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Whether to enable the canto RSS daemon.";
+      };
+    };
+
+  };
+
+##### implementation
+
+  config = mkIf cfg.enable {
+
+    systemd.user.services.canto-next = {
+      description = "Canto RSS Daemon";
+      after = [ "network.target" ];
+      wantedBy = [ "default.target" ];
+      serviceConfig.ExecStart = "${pkgs.canto-daemon}/bin/canto-daemon";
+      TimeoutStopSec = 10;
+    };
+  };
+}