code: def create_tar_file(self, full_archive=False):
          
          tar_file_name = os.path.join(self.archive_tmp_dir, self.archive_name)
          ext = "" if self.compressor == "none" else ".%s" % self.compressor
          tar_file_name = tar_file_name + ".tar" + ext
          logger.debug("Tar File: " + tar_file_name)
          subprocess.call(shlex.split("tar c%sfS %s -C %s ." % (
              self.get_compression_flag(self.compressor),
              tar_file_name,
              # for the docker "uber archive,"use archive_dir
              #   rather than tmp_dir for all the files we tar,
              #   because all the individual archives are in there
              self.tmp_dir if not full_archive else self.archive_dir)),
              stderr=subprocess.PIPE)
          self.delete_archive_dir()
          logger.debug("Tar File Size: %s", str(os.path.getsize(tar_file_name)))
          return tar_file_name
docs: Create tar file to be compressed