vm - An unapologetic wrapper script for VirtualBox VBoxManage

vm

#!/usr/bin/env bash

VBM="$(command -v VBoxManage)"
[[ -z "$VBM" ]] && echo "VBoxManage not found!" && exit

PROMPT="[Target?<space>Action? or 'q' to quit] "

while [[ "$target" != "q" ]]; do
  VMS_ALL="$($VBM list vms | sort)"
  VMS_ALL_COUNT=$([[ ! -z "$VMS_ALL" ]] && echo "$VMS_ALL" | wc -l || echo 0)

  VMS_UP="$($VBM list runningvms)"

  [[ $VMS_ALL_COUNT -eq 0 ]] && echo "You ain't got no Virtuals!" && exit

  clear
  DISPLAY_VMS="$(echo "$VMS_ALL" | cat -n)"
  SED_SCRIPT="$(
    sed "
      s|{|/{|g;
      s|}|}/ { s/^   /  */; }; |g
    " <<< $(grep -o '{.*}' <<< "$VMS_UP")
  )"

  [[ ! -z "$cmd_to_run" ]] && echo "Success: $cmd_to_run"
  cat <<EOT
[VMS] * = running
$(sed "$SED_SCRIPT" <<< "$DISPLAY_VMS")
[CMD]
    Target: number
    Actions: On:   [u]p (headless,) [s]tart (GUI,) resu[m]e
             Off:  [h]alt, [p]ause, [r]eset, [z]=suspend
             Rm:   [d]estroy
EOT
  read -p "$PROMPT" target action

  if [[ "$target" == "q" ]]; then
    exit
  elif [[ -z "$target" ]] ; then
    continue
  elif ! [[ $target =~ ^[0-9]+$ ]] ; then
    echo "WTF?!?!"
    sleep 1
    continue
  fi

  # Start building command string...
  uuid="$(echo "$DISPLAY_VMS" | tail -n +$target | head -1 | grep -o '{.*}')"

  case "$action" in
    # On:
    u) subcmd="startvm";      options="--type headless";;
    s) subcmd="startvm";      options="--type gui";;
    m) subcmd="controlvm";    options="resume";;
    # Off:
    h) subcmd="controlvm";    options="poweroff";;
    p) subcmd="controlvm";    options="pause";;
    r) subcmd="controlvm";    options="reset";;
    z) subcmd="controlvm";    options="savestate";;
    # Rm:
    d) subcmd="unregistervm"; options="--delete";;
    # Misc
    *) echo "WTF?!?!"; sleep 1; continue;;
  esac

  cmd_to_run="$VBM $subcmd $uuid $options"
  echo
  echo "Running... $cmd_to_run"
  echo
  $cmd_to_run
  if [[ $? -eq 0 ]]; then
    sleep 1
  else
    cmd_to_run=""
    cat <<EOT

    Uh, oh. There was a problem!

EOT
    read -p "Press [enter] to continue or [q] to quit: " target
  fi
done