class VcloudDirector

def [](service)
  @@connections ||= Hash.new do |hash, key|
    hash[key] = case key
    when :compute
      Fog::Compute.new(:provider => 'VcloudDirector')
    else
      raise ArgumentError, "Unrecognized service: #{key.inspect}"
    end
  end
  @@connections[service]
end

def class_for(key)
  case key
  when :compute
    Fog::Compute::VcloudDirector
  else
    raise ArgumentError, "Unrecognized service: #{key}"
  end
end

def services
  Fog::VcloudDirector.services
end