nixos/deluge: support 2.x

nixos/doc/manual/release-notes/rl-2009.xml

@@ -203,6 +203,15 @@ environment.systemPackages = [
       <link xlink:href="https://github.com/gollum/gollum/wiki/5.0-release-notes#migrating-your-wiki">here</link>.
      </para>
    </listitem>
+   <listitem>
+     <para>
+       Deluge 2.x was added and is used as default for new NixOS
+       installations where stateVersion is >= 20.09. If you are upgrading from a previous
+       NixOS version, you can set <literal>service.deluge.package = pkgs.deluge-2_x</literal>
+       to upgrade to Deluge 2.x and migrate the state to the new format.
+       Be aware that backwards state migrations are not supported by Deluge.
+     </para>
+   </listitem>
 
    <listitem>
     <para>
@@ -246,7 +255,6 @@ environment.systemPackages = [
 # sudo /run/current-system/fine-tune/child-1/bin/switch-to-configuration test
 </programlisting>
     </para>
-   </listitem>
   </itemizedlist>
  </section>
 

nixos/modules/services/torrent/deluge.nix

@@ -5,6 +5,7 @@ with lib;
 let
   cfg = config.services.deluge;
   cfg_web = config.services.deluge.web;
+  isDeluge1 = versionOlder cfg.package.version "2.0.0";
 
   openFilesLimit = 4096;
   listenPortsDefault = [ 6881 6889 ];
@@ -18,11 +19,11 @@ let
   preStart = if cfg.declarative then ''
     if [ -e ${declarativeLockFile} ]; then
       # Was declarative before, no need to back up anything
-      ln -sf ${configFile} ${configDir}/core.conf
+      ${if isDeluge1 then "ln -sf" else "cp"} ${configFile} ${configDir}/core.conf
       ln -sf ${cfg.authFile} ${configDir}/auth
     else
       # Declarative for the first time, backup stateful files
-      ln -sb --suffix=.stateful ${configFile} ${configDir}/core.conf
+      ${if isDeluge1 then "ln -s" else "cp"} -b --suffix=.stateful ${configFile} ${configDir}/core.conf
       ln -sb --suffix=.stateful ${cfg.authFile} ${configDir}/auth
       echo "Autogenerated file that signifies that this server configuration is managed declaratively by NixOS" \
         > ${declarativeLockFile}
@@ -144,6 +145,14 @@ in {
             This always contains unzip, gnutar, xz, p7zip and bzip2.
           '';
         };
+
+        package = mkOption {
+          type = types.package;
+          example = literalExample "pkgs.deluge-1_x";
+          description = ''
+            Deluge package to use.
+          '';
+        };
       };
 
       deluge.web = {
@@ -170,6 +179,13 @@ in {
 
   config = mkIf cfg.enable {
 
+    services.deluge.package = mkDefault (
+      if versionAtLeast config.system.stateVersion "20.09" then
+        pkgs.deluge-2_x
+      else
+        pkgs.deluge-1_x
+    );
+
     # Provide a default set of `extraPackages`.
     services.deluge.extraPackages = with pkgs; [ unzip gnutar xz p7zip bzip2 ];
 
@@ -189,10 +205,10 @@ in {
       after = [ "network.target" ];
       description = "Deluge BitTorrent Daemon";
       wantedBy = [ "multi-user.target" ];
-      path = [ pkgs.deluge ] ++ cfg.extraPackages;
+      path = [ cfg.package ] ++ cfg.extraPackages;
       serviceConfig = {
         ExecStart = ''
-          ${pkgs.deluge}/bin/deluged \
+          ${cfg.package}/bin/deluged \
             --do-not-daemonize \
             --config ${configDir}
         '';
@@ -212,10 +228,11 @@ in {
       requires = [ "deluged.service" ];
       description = "Deluge BitTorrent WebUI";
       wantedBy = [ "multi-user.target" ];
-      path = [ pkgs.deluge ];
+      path = [ cfg.package ];
       serviceConfig = {
         ExecStart = ''
-          ${pkgs.deluge}/bin/deluge-web \
+          ${cfg.package}/bin/deluge-web \
+            ${optionalString (!isDeluge1) "--do-not-daemonize"} \
             --config ${configDir} \
             --port ${toString cfg.web.port}
         '';
@@ -234,7 +251,7 @@ in {
       })
     ];
 
-    environment.systemPackages = [ pkgs.deluge ];
+    environment.systemPackages = [ cfg.package ];
 
     users.users = mkIf (cfg.user == "deluge") {
       deluge = {

nixos/tests/deluge.nix

@@ -5,9 +5,10 @@ import ./make-test-python.nix ({ pkgs, ...} : {
   };
 
   nodes = {
-    simple = {
+    simple1 = {
       services.deluge = {
         enable = true;
+        package = pkgs.deluge-1_x;
         web = {
           enable = true;
           openFirewall = true;
@@ -15,50 +16,92 @@ import ./make-test-python.nix ({ pkgs, ...} : {
       };
     };
 
-    declarative =
-      { ... }:
+    declarative1 = {
+      services.deluge = {
+        enable = true;
+        package = pkgs.deluge-1_x;
+        openFirewall = true;
+        declarative = true;
+        config = {
+          allow_remote = true;
+          download_location = "/var/lib/deluge/my-download";
+          daemon_port = 58846;
+          listen_ports = [ 6881 6889 ];
+        };
+        web = {
+          enable = true;
+          port =  3142;
+        };
+        authFile = pkgs.writeText "deluge-auth" ''
+          localclient:a7bef72a890:10
+          andrew:password:10
+          user3:anotherpass:5
+        '';
+      };
+    };
 
-      {
-        services.deluge = {
+    simple2 = {
+      services.deluge = {
+        enable = true;
+        package = pkgs.deluge-2_x;
+        web = {
           enable = true;
           openFirewall = true;
-          declarative = true;
-          config = {
-            allow_remote = true;
-            download_location = "/var/lib/deluge/my-download";
-            daemon_port = 58846;
-            listen_ports = [ 6881 6889 ];
-          };
-          web = {
-            enable = true;
-            port =  3142;
-          };
-          authFile = pkgs.writeText "deluge-auth" ''
-            localclient:a7bef72a890:10
-            andrew:password:10
-            user3:anotherpass:5
-          '';
         };
-        environment.systemPackages = [ pkgs.deluge ];
       };
+    };
+
+    declarative2 = {
+      services.deluge = {
+        enable = true;
+        package = pkgs.deluge-2_x;
+        openFirewall = true;
+        declarative = true;
+        config = {
+          allow_remote = true;
+          download_location = "/var/lib/deluge/my-download";
+          daemon_port = 58846;
+          listen_ports = [ 6881 6889 ];
+        };
+        web = {
+          enable = true;
+          port =  3142;
+        };
+        authFile = pkgs.writeText "deluge-auth" ''
+          localclient:a7bef72a890:10
+          andrew:password:10
+          user3:anotherpass:5
+        '';
+      };
+    };
 
   };
 
   testScript = ''
     start_all()
 
-    simple.wait_for_unit("deluged")
-    simple.wait_for_unit("delugeweb")
-    simple.wait_for_open_port("8112")
-    declarative.wait_for_unit("network.target")
-    declarative.wait_until_succeeds("curl --fail http://simple:8112")
+    simple1.wait_for_unit("deluged")
+    simple2.wait_for_unit("deluged")
+    simple1.wait_for_unit("delugeweb")
+    simple2.wait_for_unit("delugeweb")
+    simple1.wait_for_open_port("8112")
+    simple2.wait_for_open_port("8112")
+    declarative1.wait_for_unit("network.target")
+    declarative2.wait_for_unit("network.target")
+    declarative1.wait_until_succeeds("curl --fail http://simple1:8112")
+    declarative2.wait_until_succeeds("curl --fail http://simple2:8112")
 
-    declarative.wait_for_unit("deluged")
-    declarative.wait_for_unit("delugeweb")
-    declarative.wait_until_succeeds("curl --fail http://declarative:3142")
-    declarative.succeed("deluge-console 'help' | grep -q 'rm - Remove a torrent'")
-    declarative.succeed(
-        "deluge-console 'connect 127.0.0.1:58846 andrew password; help' | grep -q 'rm - Remove a torrent'"
+    declarative1.wait_for_unit("deluged")
+    declarative2.wait_for_unit("deluged")
+    declarative1.wait_for_unit("delugeweb")
+    declarative2.wait_for_unit("delugeweb")
+    declarative1.wait_until_succeeds("curl --fail http://declarative1:3142")
+    declarative2.wait_until_succeeds("curl --fail http://declarative2:3142")
+    declarative1.succeed(
+        "deluge-console 'connect 127.0.0.1:58846 andrew password; help' | grep -q 'rm.*Remove a torrent'"
+    )
+    declarative2.succeed(
+        "deluge-console 'connect 127.0.0.1:58846 andrew password; help' | grep -q 'rm.*Remove a torrent'"
     )
   '';
 })