new_contents: from hosts import Hosts
  from rs import RS
  from shards import Shards
  
  
  def set_storage(storage_path, bin_path=''):
      Hosts().set_settings(storage_path, bin_path)
      RS().set_settings(storage_path, bin_path)
      Shards().set_settings(storage_path, bin_path)
  
subject: set storage place from one place