def object_metadata(key)
      object_path = File.join(container_path, Raca::Util.url_encode(key))
      log "Requesting metadata from #{object_path}"

      response = storage_client.head(object_path)
      {
        :content_type => response["Content-Type"],
        :bytes => response["Content-Length"].to_i
      }
    end
def object_metadata(key)
      object_path = File.join(container_path, Raca::Util.url_encode(key))
      log "Requesting metadata from #{object_path}"

      response = storage_client.head(object_path)
      {
        :content_type => response["Content-Type"],
        :bytes => response["Content-Length"].to_i
      }
    end
Returns some metadata about a single object in this container.