feat(ev): add qbittorrent

1 files changed, 20 insertions, 0 deletions

diff --git a/nixos/lib.nix b/nixos/lib.nix
index a2d8193..7880cc7 100644
--- a/nixos/lib.nix
+++ b/nixos/lib.nix
@@ -9,4 +9,24 @@ in
     unitConfig.JoinsNamespaceOf = "netns@${ns}.service";
     serviceConfig.NetworkNamespacePath = "/var/run/netns/${ns}";
   };
+
+  mkPortProxy = service: ns: port: {
+    description = "Forward to ${service} in network namespace ${ns}";
+    requires = ["${service}.service"];
+    after = ["${service}.service"];
+    partOf = ["${service}.service"];
+    serviceConfig = {
+      Restart = "on-failure";
+      TimeoutStopSec = 300;
+    };
+    wantedBy = ["multi-user.target"];
+    script =
+      let
+        pkgs = nixpkgs.pkgs;
+      in
+      ''
+        ${pkgs.iproute2}/bin/ip netns exec ${ns} ${pkgs.iproute2}/bin/ip link set dev lo up
+        ${pkgs.socat}/bin/socat tcp-listen:${toString port},fork,reuseaddr exec:'${pkgs.iproute2}/bin/ip netns exec ${ns} ${pkgs.socat}/bin/socat STDIO "tcp-connect:localhost:${toString port}"',nofork
+      '';
+  };
 }