text: # -*- coding:utf-8 -*-
  # Copyright (c) 2020 Huawei Technologies Co.,Ltd.
  #
  # openGauss is licensed under Mulan PSL v2.
  # You can use this software according to the terms
  # and conditions of the Mulan PSL v2.
  # You may obtain a copy of Mulan PSL v2 at:
  #
  #          http://license.coscl.org.cn/MulanPSL2
  #
  # THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
  # WITHOUT WARRANTIES OF ANY KIND,
  # EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  # MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  # See the Mulan PSL v2 for more details.
  # ----------------------------------------------------------------------------
  import os
  from gspylib.inspection.common.CheckItem import BaseItem
  from gspylib.inspection.common.CheckResult import ResultStatus
  from gspylib.common.ErrorCode import ErrorCode
  from gspylib.os.gsfile import g_file
  
  
  class CheckUpVer(BaseItem):
      def __init__(self):
          super(CheckUpVer, self).__init__(self.__class__.__name__)
          self.upgradepath = None
  
      def preCheck(self):
          # check the threshold was set correctly
          if (not self.threshold.__contains__("upgradepath")):
              raise Exception(ErrorCode.GAUSS_502["GAUSS_50236"]
                              % "The upgrade path")
          self.upgradepath = self.threshold['upgradepath']
          if not os.path.isfile(os.path.join(self.upgradepath, "version.cfg")):
              raise Exception(ErrorCode.GAUSS_502["GAUSS_50201"]
                              % ("new version file[%s]" %
                                 os.path.join(self.upgradepath, "version.cfg")))
  
      def doCheck(self):
          packageFile = os.path.realpath(
              os.path.join(self.upgradepath, "version.cfg"))
          output = g_file.readFile(packageFile)
          self.result.rst = ResultStatus.OK
          self.result.val = "".join(output)
  