nixpkgs/nixos/modules/virtualisation/vagrant-virtualbox-image.nix

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# Vagrant + VirtualBox
{ config, pkgs, ... }:
{
imports = [
./vagrant-guest.nix
./virtualbox-image.nix
];
virtualbox.params = {
audio = "none";
audioin = "off";
audioout = "off";
usb = "off";
usbehci = "off";
};
sound.enable = false;
documentation.man.enable = false;
documentation.nixos.enable = false;
users.extraUsers.vagrant.extraGroups = [ "vboxsf" ];
# generate the box v1 format which is much easier to generate
# https://www.vagrantup.com/docs/boxes/format.html
system.build.vagrantVirtualbox = pkgs.runCommand
"virtualbox-vagrant.box"
{}
''
mkdir workdir
cd workdir
# 1. create that metadata.json file
echo '{"provider":"virtualbox"}' > metadata.json
# 2. create a default Vagrantfile config
cat <<VAGRANTFILE > Vagrantfile
Vagrant.configure("2") do |config|
config.vm.base_mac = "0800275F0936"
end
VAGRANTFILE
# 3. add the exported VM files
tar xvf ${config.system.build.virtualBoxOVA}/*.ova
# 4. move the ovf to the fixed location
mv *.ovf box.ovf
# 5. generate OVF manifest file
rm *.mf
touch box.mf
for fname in *; do
checksum=$(sha256sum $fname | cut -d' ' -f 1)
echo "SHA256($fname)= $checksum" >> box.mf
done
# 6. compress everything back together
tar --owner=0 --group=0 --sort=name --numeric-owner -czf $out .
'';
}