forked from M-Labs/nix-scripts
56 lines
1.7 KiB
Nix
56 lines
1.7 KiB
Nix
{ pkgs,
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diskImage,
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qemuMem,
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sshUser ? "user",
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sshPassword ? "user",
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}:
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with pkgs;
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let
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qemu-img = "${qemu_kvm}/bin/qemu-img";
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runQemu = isolateNetwork: forwardedPorts: extraArgs:
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let
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restrict =
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if isolateNetwork
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then "on"
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else "off";
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# use socat instead of `tcp:…` to allow multiple connections
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guestfwds =
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builtins.concatStringsSep ""
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(map ({ listenAddr, targetAddr, port }:
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",guestfwd=tcp:${listenAddr}:${toString port}-cmd:${socat}/bin/socat\\ -dd\\ -\\ tcp:${targetAddr}:${toString port}"
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) forwardedPorts);
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args = [
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"-enable-kvm"
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"-m" qemuMem
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"-bios" "${OVMF.fd}/FV/OVMF.fd"
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"-netdev" "user,id=n1,net=192.168.1.0/24,restrict=${restrict},hostfwd=tcp::2022-:22${guestfwds}"
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"-device" "e1000,netdev=n1"
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];
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argStr = builtins.concatStringsSep " " (args ++ extraArgs);
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in "${qemu_kvm}/bin/qemu-system-x86_64 ${argStr}";
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# Pass empty config file to prevent ssh from failing to create ~/.ssh
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sshOpts = "-F /dev/null -o StrictHostKeyChecking=accept-new -o UserKnownHostsFile=\$TMP/known_hosts";
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sshWithQuotes = quotes: cmd: ''
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echo ssh windows ${quotes}${cmd}${quotes}
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${sshpass}/bin/sshpass -p${sshPassword} -- \
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${openssh}/bin/ssh -np 2022 ${sshOpts} \
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${sshUser}@localhost \
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${quotes}${cmd}${quotes}
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'';
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ssh = sshWithQuotes "'";
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scp = src: target: ''
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echo "Copy ${src} to ${target}"
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${sshpass}/bin/sshpass -p${sshPassword} -- \
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${openssh}/bin/scp -P 2022 ${sshOpts} \
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"${src}" "${sshUser}@localhost:${target}"
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'';
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in
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{
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inherit qemu-img runQemu ssh sshWithQuotes scp;
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inputs = [ qemu_kvm openssh sshpass ];
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}
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