nixos/docker: ensure ipv4 forwarding is enabled

Fixes #118656
2021-05-08 18:58:24 +01:00
parent 87f9307b94
commit 9317570735
2 changed files with 7 additions and 0 deletions
@@ -150,6 +150,10 @@ in

  config = mkIf cfg.enable (mkMerge [{
      boot.kernelModules = [ "bridge" "veth" ];
+      boot.kernel.sysctl = {
+        "net.ipv4.conf.all.forwarding" = mkOverride 99 true;
+        "net.ipv4.conf.default.forwarding" = mkOverride 99 true;
+      };
      environment.systemPackages = [ cfg.package ]
        ++ optional cfg.enableNvidia pkgs.nvidia-docker;
      users.groups.docker.gid = config.ids.gids.docker;