nix-home/nki-home/deluge.nix
2025-04-09 02:18:32 +02:00

96 lines
2.9 KiB
Nix

{
pkgs,
config,
lib,
...
}:
let
wg = "wgdeluge";
webui-port = "58846";
in
{
services.deluge = {
enable = true;
web.enable = true;
};
sops.secrets."wg-deluge.conf" = {
owner = "root";
mode = "0400";
reloadUnits = [ "${wg}.service" ];
};
# setting up wireguard interface within network namespace
systemd.services.${wg} =
let
ip = lib.getExe' pkgs.iproute2 "ip";
wireguard = lib.getExe pkgs.wireguard-tools;
in
{
description = "WireGuard network interface for Deluge";
bindsTo = [ "netns@${wg}.service" ];
requires = [ "network-online.target" ];
after = [ "netns@${wg}.service" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStart = pkgs.writers.writeBash "wg-up" ''
set -e
${ip} link add ${wg} type wireguard
${ip} link set ${wg} netns ${wg}
${ip} -n ${wg} address add "100.123.50.189/32" dev ${wg}
${ip} netns exec ${wg} \
${wireguard} setconf ${wg} ${config.sops.secrets."wg-deluge.conf".path}
${ip} -n ${wg} link set ${wg} up
# need to set lo up as network namespace is started with lo down
${ip} -n ${wg} link set lo up
${ip} -n ${wg} route add default dev ${wg}
# ${ip} -n ${wg} -6 route add default dev ${wg}
'';
ExecStop = pkgs.writers.writeBash "wg-down" ''
${ip} -n ${wg} route del default dev ${wg}
# ${ip} -n ${wg} -6 route del default dev ${wg}
${ip} -n ${wg} link del ${wg}
${ip} link del ${wg}
'';
};
};
# binding deluged to network namespace
systemd.services.deluged.bindsTo = [ "netns@${wg}.service" ];
systemd.services.deluged.requires = [
"network-online.target"
"${wg}.service"
];
systemd.services.deluged.serviceConfig.NetworkNamespacePath = [ "/var/run/netns/${wg}" ];
# allowing delugeweb to access deluged in network namespace, a socket is necesarry
systemd.sockets."proxy-to-deluged" = {
enable = true;
description = "Socket for Proxy to Deluge Daemon";
listenStreams = [ "${webui-port}" ];
wantedBy = [ "sockets.target" ];
};
# creating proxy service on socket, which forwards the same port from the root namespace to the isolated namespace
systemd.services."proxy-to-deluged" = {
enable = true;
description = "Proxy to Deluge Daemon in Network Namespace";
requires = [
"deluged.service"
"proxy-to-deluged.socket"
];
after = [
"deluged.service"
"proxy-to-deluged.socket"
];
unitConfig = {
JoinsNamespaceOf = "deluged.service";
};
serviceConfig = {
User = "deluge";
Group = "deluge";
ExecStart = "${pkgs.systemd}/lib/systemd/systemd-socket-proxyd --exit-idle-time=5min 127.0.0.1:${webui-port}";
PrivateNetwork = "yes";
};
};
}