nixos: services: servarr: migrate prowlarr

It's configured in the exact same way as other *arr apps, and thus
automatically gains the declarative port configuration now.

I also want to move the other two indexer modules under `servarr`, as
they are all closely related.

hosts/nixos/porthos/services.nix

@@ -51,10 +51,6 @@ in
         passwordFile = secrets."forgejo/mail-password".path;
       };
     };
-    # Meta-indexers
-    indexers = {
-      prowlarr.enable = true;
-    };
     # Jellyfin media server
     jellyfin.enable = true;
     # Gitea mirrorig service

modules/nixos/services/indexers/default.nix

@@ -5,13 +5,11 @@ let
 
   jackettPort = 9117;
   nzbhydraPort = 5076;
-  prowlarrPort = 9696;
 in
 {
   options.my.services.indexers = with lib; {
     jackett.enable = mkEnableOption "Jackett torrent meta-indexer";
     nzbhydra.enable = mkEnableOption "NZBHydra2 usenet meta-indexer";
-    prowlarr.enable = mkEnableOption "Prowlarr torrent & usenet meta-indexer";
   };
 
   config = lib.mkMerge [
@@ -46,33 +44,5 @@ in
         };
       };
     })
-
-    (lib.mkIf cfg.prowlarr.enable {
-      services.prowlarr = {
-        enable = true;
-      };
-
-      my.services.nginx.virtualHosts = {
-        prowlarr = {
-          port = prowlarrPort;
-        };
-      };
-
-      services.fail2ban.jails = {
-        prowlarr = ''
-          enabled = true
-          filter = prowlarr
-          action = iptables-allports
-        '';
-      };
-
-      environment.etc = {
-        "fail2ban/filter.d/prowlarr.conf".text = ''
-          [Definition]
-          failregex = ^.*\|Warn\|Auth\|Auth-Failure ip <HOST> username .*$
-          journalmatch = _SYSTEMD_UNIT=prowlarr.service
-        '';
-      };
-    })
   ];
 }

modules/nixos/services/servarr/default.nix

@@ -7,6 +7,7 @@
   imports = [
     ./bazarr.nix
     (import ./starr.nix "lidarr")
+    (import ./starr.nix "prowlarr")
     (import ./starr.nix "radarr")
     (import ./starr.nix "readarr")
     (import ./starr.nix "sonarr")

modules/nixos/services/servarr/starr.nix

@@ -5,6 +5,7 @@ let
   cfg = config.my.services.servarr.${starr};
   ports = {
     lidarr = 8686;
+    prowlarr = 9696;
     radarr = 7878;
     readarr = 8787;
     sonarr = 8989;