VirtualBox VBoxManage CLI helper

vm.rb

#!/usr/bin/env ruby
# vim: set ft=ruby :

verb = ARGV[0]
who = ARGV[1..-1]
workers = %w{Zero Nasir Harsh Nino Victor Andy Abbas Atef}
group = who.first.downcase == 'all'? workers : who

group.each do |worker|
  next if %w{Zero}.include? worker # skip

  worker_no = workers.index worker
  puts "#{worker} is worker no. #{worker_no}. will #{verb}..."
  vm_name = case worker.downcase
    when 'nasir'
      "Worker 1 Nasir Hussain"
    else
      "Worker #{worker_no}"
  end

  case verb.downcase.to_sym
    when :start
      # TODO: loop in here? interactive console?
      cmd = "vboxheadless --startvm '#{vm_name}' --vnc --vncport 666#{worker_no} --vncpass #{workers[worker_no]}"
    when :stop
      cmd  = "vboxmanage controlvm '#{vm_name}' savestate"
    when :resize
      resolution = case worker
        when 'Abbas'
          '1904 1000'
        when 'Victor'
          '1600 900'
        when 'Andy'
          '1200 980' # Andy
        else
          '1343 690'
      end
      cmd = "vboxmanage controlvm '#{vm_name}' setvideomodehint #{resolution} 24"
    when :join
      cmd = "echo #{worker} | vncviewer -autopass localhost:666#{worker_no}"
    when :restart
      # coming soon; force abort? or soft reboot?
    when :screenshot
      cmd = "vboxmanage controlvm '#{vm_name}' screenshotpng #{Time.now.strftime('%Y%m%d')}-#{worker.downcase}-#{Time.now.strftime('%H%M%S')}.png"
  end

  if cmd
    puts cmd
    system cmd
  end
end