gistfile1.txt

def time
  start = Time.now
  yield
  Time.now - start
end

db_configs.each do |config_name, config|
  if (config.class == Hash)
    if config.has_key?(:host)
      elapsed = time { Mysql2::Client.new(config) }
      puts "#{elapsed} #{config_name}"
    else
      config.each do |_config_name, _config|
        elapsed = time { Mysql2::Client.new(_config) }
        puts "#{elapsed} #{_config_name}"
      end
    end
  end
end