nixpkgs/pkgs/build-support/vm/windows/default.nix
aszlig 97dc8a88e5
vm/windows: Wait for migration to finish.
This ensures that the intermediate machine is shut down only after the
migration has finished writing the memory dump to disk, to ensure we
don't end up with empty state files depending on how fast the migration
finished before we actually shut down the VM.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2014-05-07 07:21:10 +02:00

50 lines
1.3 KiB
Nix

pkgs:
let
bootstrapper = import ./bootstrap.nix {
inherit (pkgs) stdenv vmTools writeScript writeText runCommand makeInitrd;
inherit (pkgs) coreutils dosfstools gzip mtools netcat openssh qemu samba;
inherit (pkgs) socat vde2 fetchurl python perl cdrkit pathsFromGraph;
inherit (pkgs) gnugrep;
};
builder = ''
source /tmp/xchg/saved-env 2> /dev/null || true
export NIX_STORE=/nix/store
export NIX_BUILD_TOP=/tmp
export TMPDIR=/tmp
export PATH=/empty
cd "$NIX_BUILD_TOP"
exec $origBuilder $origArgs
'';
in {
runInWindowsVM = drv: let
newDrv = drv.override {
stdenv = drv.stdenv.override {
shell = "/bin/sh";
};
};
in pkgs.lib.overrideDerivation drv (attrs: let
bootstrap = bootstrapper attrs.windowsImage;
in {
requiredSystemFeatures = [ "kvm" ];
builder = "${pkgs.stdenv.shell}";
args = ["-e" (bootstrap.resumeAndRun builder)];
windowsImage = bootstrap.suspendedVM;
origArgs = attrs.args;
origBuilder = if attrs.builder == attrs.stdenv.shell
then "/bin/sh"
else attrs.builder;
postHook = ''
PATH=/usr/bin:/bin:/usr/sbin:/sbin
SHELL=/bin/sh
eval "$origPostHook"
'';
origPostHook = attrs.postHook or "";
fixupPhase = ":";
});
}