hosts/losurdo/transmission.nix

   1 { pkgs, lib, config, hostName, ... }:
   2 let
   3   inherit (config.services) transmission;
   4   inherit (config.users) users;
   5   inherit (config.security) gnupg;
   6   netns = "riseup";
   7 in
   8 {
   9 users.groups.transmission.members = [
  10   users."julm".name
  11 ];
  12 services.netns.namespaces.${netns}.nftables = ''
  13   add rule inet filter input tcp dport ${toString transmission.settings.peer-port} counter accept comment "Transmission"
  14   add rule inet filter input udp dport ${toString transmission.settings.peer-port} counter accept comment "Transmission"
  15   add rule inet filter output meta skuid ${transmission.user} counter accept comment "Transmission"
  16 '';
  17 #users.groups.keys.members = [ transmission.user ];
  18 security.gnupg.secrets."transmission/settings.json" = {
  19   user = transmission.user;
  20   systemdConfig.before = [ "transmission.service" ];
  21   systemdConfig.wantedBy = [ "transmission.service" ];
  22 };
  23 fileSystems."/var/lib/transmission" = {
  24   device = "${hostName}/var/torrents";
  25   fsType = "zfs";
  26 };
  27 systemd.services.transmission = {
  28   after = [
  29     "netns-${netns}.service"
  30     "zfs.target"
  31   ];
  32   requires = [
  33     "netns-${netns}.service"
  34     "zfs.target"
  35   ];
  36   startAt = "20:00:00";
  37   serviceConfig.NetworkNamespacePath = "/var/run/netns/${netns}";
  38 };
  39 systemd.sockets.proxy-to-transmission = {
  40   wantedBy = ["sockets.target"];
  41   listenStreams = ["192.168.42.2:9091"];
  42   socketConfig.FreeBind = true;
  43 };
  44 systemd.services.proxy-to-transmission = {
  45   requires = ["transmission.service"];
  46   after = ["transmission.service" "proxy-to-transmission.socket"];
  47   unitConfig.JoinsNamespaceOf = ["transmission.service"];
  48   serviceConfig = {
  49     ExecStart = "${pkgs.systemd}/lib/systemd/systemd-socket-proxyd 127.0.0.1:9091";
  50     PrivateNetwork = true;
  51     PrivateTmp = true;
  52   };
  53 };
  54 systemd.services.stop-transmission = {
  55   serviceConfig.Type = "oneshot";
  56   unitConfig.Conflicts = ["transmission.service"];
  57   startAt = "06..19:0,15,30,45:00";
  58   script = "true";
  59 };
  60 services.transmission = {
  61   enable = true;
  62   performanceNetParameters = true;
  63   credentialsFile = gnupg.secrets."transmission/settings.json".path;
  64   settings = {
  65     message-level = 2;
  66     download-dir = "/var/lib/transmission/downloaded";
  67     incomplete-dir = "/var/lib/transmission/.incoming";
  68     incomplete-dir-enabled = true;
  69     watch-dir = "/var/lib/transmission/.torrents";
  70     watch-dir-enabled = true;
  71     trash-original-torrent-files = false;
  72     preallocation = 0;
  73     umask = 7; # 007 octal, in decimal!
  74     download-queue-enabled = true;
  75     download-queue-size = 5;
  76     peer-id-ttl-hours = 6;
  77     peer-limit-global = 1000;
  78     peer-limit-per-torrent = 100;
  79
  80     peer-port = 6882;
  81     peer-port-random-on-start = false;
  82     encryption = 1;
  83     dht-enabled = true;
  84     lpd-enabled = false;
  85     pex-enabled = true;
  86     port-forwarding-enabled = true;
  87     scrape-paused-torrents-enabled = false;
  88     peer-socket-tos = "lowcost";
  89     queue-stalled-enabled = true;
  90     queue-stalled-minutes = 30;
  91     speed-limit-down-enabled = false;
  92     speed-limit-up = 50;
  93     speed-limit-up-enabled = true;
  94     alt-speed-enabled = true;
  95     alt-speed-time-enabled = true;
  96     alt-speed-down = 1000;
  97     alt-speed-up = 0;
  98     alt-speed-time-day = 127; # all days. 65; # weekend only
  99     alt-speed-time-begin = 360; # 06h00 local time
 100     alt-speed-time-end = 1260; # 21h00 local time
 101     ratio-limit = 4;
 102     ratio-limit-enabled = true;
 103
 104     rpc-enabled = true;
 105     rpc-bind-address = "127.0.0.1";
 106     rpc-port = 9091;
 107     rpc-whitelist = "127.0.0.1,192.168.42.0/24";
 108     rpc-whitelist-enabled = true;
 109     rpc-host-whitelist = "localhost,${hostName}.wg";
 110     rpc-host-whitelist-enabled = true;
 111     rpc-authentication-required = true;
 112   };
 113 };
 114 }