vbox


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#!/bin/bash
#
# Simple wrapper around VBoxManage.
#

# Parameters
STORE="/var/cache/virtualbox/"
BASENAME="`basename $0`"
COMMAND="$1"
VM="$2"
shift 2

# Usage
function usage {
  echo "usage: $BASENAME <command> [vm]"
  exit 1
}

# Execute commands inside a virtual machine
function vbox_exec {
  local bin="$1"
  shift

  local command="guestcontrol"
  local options="execute --username vagrant --password vagrant --image $bin"
        options="$options --verbose --wait-exit --wait-stdout --wait-stderr --environment \"DISPLAY=:0\" -- $*"

  vbox_run $command $options
}

# VBoxManage wrapper
function vbox_run {
  local command="$1"
  shift

  VBoxManage $command $VM $*
}

# Initialize clipboard service
function vbox_clip {
  local instances="`ps -o pid,command -e | grep "VBoxClient --clipboard" | cut -d ' ' -f 2 | xargs`"

  # Kill old instances
  for pid in $instances; do
    kill -9 $pid &> /dev/null
  done

  VBoxClient --clipboard
  exit
}

function vbox_natresolver {
  # See host's resolver as a DNS proxy in NAT mode
  # https://www.virtualbox.org/manual/ch09.html#nat_host_resolver_proxy
  VBoxManage modifyvm $VM --natdnshostresolver1 on
}

# Build options
if [ ! -z "$VM" ]; then
  if [ "$COMMAND" == "up" ]; then
    vbox_natresolver
    vbox_run startvm
  elif [ "$COMMAND" == "down" ]; then
    vbox_run controlvm savestate
  elif [ "$COMMAND" == "halt" ]; then
    vbox_run controlvm poweroff
  elif [ "$COMMAND" == "upgrade" ]; then
    vbox_exec /home/vagrant/apps/hydra/hydractl upgrade clean
  elif [ "$COMMAND" == "zerofree" ]; then
    vbox_exec /usr/bin/sudo /usr/bin/apt-get install zerofree
    vbox_exec /usr/bin/sudo /usr/bin/apt-get clean
    vbox_exec /usr/bin/sudo /sbin/telinit 1
    vbox_exec /bin/mount -o remount,ro /
    vbox_exec /usr/sbin/zerofree /dev/sda1
    vbox_exec /sbin/halt

    for vdi in `ls $STORE/$VM/*.vdi`; do
      VBoxManage modifyhd --compact $vdi
    done
  elif [ "$COMMAND" == "exec" ]; then
    vbox_exec $*
  else
    usage
  fi
elif [ "$COMMAND" == "list" ]; then
  VBoxManage list runningvms
  exit
elif [ "$COMMAND" == "clip" ]; then
  vbox_clip
elif [ "$COMMAND" == "natresolver" ]; then
  vbox_natresolver
else
  usage
fi

# Fix window titles
xdotool search --name "$VM .* Oracle VM VirtualBox" set_window --name $VM