let listenPort = 12345; socketNamespace = "foo"; interfaceNamespace = "bar"; node = { networking.wireguard.interfaces.wg0 = { listenPort = listenPort; ips = [ "10.10.10.1/24" ]; privateKeyFile = "/etc/wireguard/private"; generatePrivateKeyFile = true; }; }; in import ../make-test-python.nix ({ pkgs, lib, kernelPackages ? null, ... } : { name = "wireguard-with-namespaces"; meta = with pkgs.lib.maintainers; { maintainers = [ asymmetric ]; }; nodes = { # interface should be created in the socketNamespace # and not moved from there peer0 = pkgs.lib.attrsets.recursiveUpdate node { boot = lib.mkIf (kernelPackages != null) { inherit kernelPackages; }; networking.wireguard.interfaces.wg0 = { preSetup = '' ip netns add ${socketNamespace} ''; inherit socketNamespace; }; }; # interface should be created in the init namespace # and moved to the interfaceNamespace peer1 = pkgs.lib.attrsets.recursiveUpdate node { boot = lib.mkIf (kernelPackages != null) { inherit kernelPackages; }; networking.wireguard.interfaces.wg0 = { preSetup = '' ip netns add ${interfaceNamespace} ''; mtu = 1280; inherit interfaceNamespace; }; }; # interface should be created in the socketNamespace # and moved to the interfaceNamespace peer2 = pkgs.lib.attrsets.recursiveUpdate node { boot = lib.mkIf (kernelPackages != null) { inherit kernelPackages; }; networking.wireguard.interfaces.wg0 = { preSetup = '' ip netns add ${socketNamespace} ip netns add ${interfaceNamespace} ''; inherit socketNamespace interfaceNamespace; }; }; # interface should be created in the socketNamespace # and moved to the init namespace peer3 = pkgs.lib.attrsets.recursiveUpdate node { boot = lib.mkIf (kernelPackages != null) { inherit kernelPackages; }; networking.wireguard.interfaces.wg0 = { preSetup = '' ip netns add ${socketNamespace} ''; inherit socketNamespace; interfaceNamespace = "init"; }; }; }; testScript = '' start_all() for machine in peer0, peer1, peer2, peer3: machine.wait_for_unit("wireguard-wg0.service") peer0.succeed("ip -n ${socketNamespace} link show wg0") peer1.succeed("ip -n ${interfaceNamespace} link show wg0") peer2.succeed("ip -n ${interfaceNamespace} link show wg0") peer3.succeed("ip link show wg0") ''; })