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35f74c3608
Mininet (https://github.com/mininet/mininet) is a popular network emulator that glues several components such as network namespaces, traffic control commands into a set of python bindings. It is then "easy" to describe a topology and run experiments on it.
40 lines
974 B
Nix
40 lines
974 B
Nix
# Global configuration for mininet
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# kernel must have NETNS/VETH/SCHED
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.mininet;
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generatedPath = with pkgs; makeSearchPath "bin" [
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iperf ethtool iproute socat
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];
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pyEnv = pkgs.python.withPackages(ps: [ ps.mininet-python ]);
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mnexecWrapped = pkgs.runCommand "mnexec-wrapper"
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{ buildInputs = [ pkgs.makeWrapper pkgs.pythonPackages.wrapPython ]; }
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''
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makeWrapper ${pkgs.mininet}/bin/mnexec \
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$out/bin/mnexec \
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--prefix PATH : "${generatedPath}"
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ln -s ${pyEnv}/bin/mn $out/bin/mn
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# mn errors out without a telnet binary
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# pkgs.telnet brings an undesired ifconfig into PATH see #43105
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ln -s ${pkgs.telnet}/bin/telnet $out/bin/telnet
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'';
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in
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{
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options.programs.mininet.enable = mkEnableOption "Mininet";
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config = mkIf cfg.enable {
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virtualisation.vswitch.enable = true;
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environment.systemPackages = [ mnexecWrapped ];
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};
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}
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