forked from M-Labs/nix-scripts
42 lines
1.0 KiB
Nix
42 lines
1.0 KiB
Nix
{ pkgs, qemuMem }:
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with pkgs;
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let
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qemu-img = "${qemu_kvm}/bin/qemu-img";
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runQemu = isolateNetwork: forwardedPorts: extraArgs:
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let
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restrict =
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if isolateNetwork
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then "on"
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else "off";
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# use socat instead of `tcp:…` to allow multiple connections
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guestfwds =
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builtins.concatStringsSep ""
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(
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map (
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{ listenAddr, targetAddr, port }:
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",guestfwd=tcp:${listenAddr}:${toString port}-cmd:${socat}/bin/socat\\ -\\ tcp:${targetAddr}:${toString port}"
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) forwardedPorts
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);
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args = [
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"-enable-kvm"
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"-m"
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qemuMem
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"-bios"
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"${OVMF.fd}/FV/OVMF.fd"
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"-netdev"
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"user,id=n1,net=192.168.1.0/24,restrict=${restrict},hostfwd=tcp::2022-:22${guestfwds}"
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"-device"
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"e1000,netdev=n1"
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];
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argStr = builtins.concatStringsSep " " (args ++ extraArgs);
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in
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"${qemu_kvm}/bin/qemu-system-x86_64 ${argStr}";
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in
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{
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inherit qemu-img runQemu;
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inputs = [ qemu_kvm ];
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}
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