nixpkgs/pkgs/build-support/vm/windows/default.nix
aszlig 707b7ad1bd
vm/windows: Generate mounts from an attribute set.
This is mainly to make it easier to quickly change mappings, without
making room for errors such as typos.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2014-02-26 04:51:59 +01:00

71 lines
1.7 KiB
Nix

let
inherit (import <nixpkgs> {}) lib stdenv requireFile writeText qemu;
winISO = /path/to/iso/XXX;
installedVM = import ./install {
isoFile = winISO;
productKey = "XXX";
};
runInVM = img: attrs: import ./controller (attrs // {
inherit (installedVM) sshKey;
qemuArgs = attrs.qemuArgs or [] ++ [
"-boot order=c"
"-drive file=${img},index=0,media=disk"
];
});
runAndSuspend = let
drives = {
s = {
source = "nixstore";
target = "/nix/store";
};
x = {
source = "xchg";
target = "/tmp/xchg";
};
};
genDriveCmds = letter: { source, target }: [
"net use ${letter}: '\\\\192.168.0.2\\${source}' /persistent:yes"
"mkdir -p '${target}'"
"mount -o bind '/cygdrive/${letter}' '${target}'"
"echo '/cygdrive/${letter} ${target} none bind 0 0' >> /etc/fstab"
];
in runInVM "winvm.img" {
command = lib.concatStringsSep " && " ([
"net config server /autodisconnect:-1"
] ++ lib.concatLists (lib.mapAttrsToList genDriveCmds drives));
suspendTo = "state.gz";
};
suspendedVM = stdenv.mkDerivation {
name = "cygwin-suspended-vm";
buildCommand = ''
${qemu}/bin/qemu-img create \
-b "${installedVM}/disk.img" \
-f qcow2 winvm.img
${runAndSuspend}
ensureDir "$out"
cp winvm.img "$out/disk.img"
cp state.gz "$out/state.gz"
'';
};
resumeAndRun = command: runInVM "${suspendedVM}/disk.img" {
resumeFrom = "${suspendedVM}/state.gz";
qemuArgs = lib.singleton "-snapshot";
inherit command;
};
runFromSuspended = command: stdenv.mkDerivation {
name = "cygwin-vm-run";
buildCommand = ''
${resumeAndRun command}
'';
};
in runFromSuspended "uname -a"