nixpkgs/nixos/modules/programs/mininet.nix

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# Global configuration for mininet
# kernel must have NETNS/VETH/SCHED
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.mininet;
generatedPath = with pkgs; makeSearchPath "bin" [
iperf ethtool iproute socat
];
pyEnv = pkgs.python.withPackages(ps: [ ps.mininet-python ]);
mnexecWrapped = pkgs.runCommand "mnexec-wrapper"
{ buildInputs = [ pkgs.makeWrapper pkgs.pythonPackages.wrapPython ]; }
''
makeWrapper ${pkgs.mininet}/bin/mnexec \
$out/bin/mnexec \
--prefix PATH : "${generatedPath}"
ln -s ${pyEnv}/bin/mn $out/bin/mn
# mn errors out without a telnet binary
# pkgs.telnet brings an undesired ifconfig into PATH see #43105
ln -s ${pkgs.telnet}/bin/telnet $out/bin/telnet
'';
in
{
options.programs.mininet.enable = mkEnableOption "Mininet";
config = mkIf cfg.enable {
virtualisation.vswitch.enable = true;
environment.systemPackages = [ mnexecWrapped ];
};
}