88 lines
3.7 KiB
Python
88 lines
3.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding:utf-8 -*-
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#############################################################################
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# Copyright (c) 2020 Huawei Technologies Co.,Ltd.
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#
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# openGauss is licensed under Mulan PSL v2.
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# You can use this software according to the terms
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# and conditions of the Mulan PSL v2.
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# You may obtain a copy of Mulan PSL v2 at:
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#
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# http://license.coscl.org.cn/MulanPSL2
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#
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# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OF ANY KIND,
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# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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# See the Mulan PSL v2 for more details.
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# ----------------------------------------------------------------------------
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# Description : gs_ddr is a utility for dorado
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# disaster recovery fully options.
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#############################################################################
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import os
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import uuid
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from gspylib.common.Common import DefaultValue
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from gspylib.common.ErrorCode import ErrorCode
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from gspylib.common.GaussLog import GaussLog
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from impl.dorado_disaster_recovery.ddr_constants import DoradoDisasterRecoveryConstants
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from base_utils.os.user_util import UserUtil
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from domain_utils.cluster_file.cluster_log import ClusterLog
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from impl.dorado_disaster_recovery.params_handler import ParamsHandler
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from impl.dorado_disaster_recovery.ddr_modules.\
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dorado_disaster_recovery_start import DisasterRecoveryStartHandler
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from impl.dorado_disaster_recovery.ddr_modules.\
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dorado_disaster_recovery_stop import DisasterRecoveryStopHandler
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from impl.dorado_disaster_recovery.ddr_modules.\
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dorado_disaster_recovery_failover import DisasterRecoveryFailoverHandler
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from impl.dorado_disaster_recovery.ddr_modules.\
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dorado_disaster_recovery_switchover import DisasterRecoverySwitchoverHandler
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from impl.dorado_disaster_recovery.ddr_modules.\
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dorado_disaster_recovery_query import DoradoQueryHandler
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HANDLER_MAPPING = {
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"start": DisasterRecoveryStartHandler,
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"stop": DisasterRecoveryStopHandler,
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"switchover": DisasterRecoverySwitchoverHandler,
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"failover": DisasterRecoveryFailoverHandler,
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"query": DoradoQueryHandler
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}
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class DoradoDisasterRecoveryBase(object):
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def __init__(self):
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self.params = None
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self.user = None
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self.log_file = None
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self.logger = None
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self.trace_id = uuid.uuid1().hex
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self.__init_globals()
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def __init_globals(self):
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self.user = UserUtil.getUserInfo()['name']
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tmp_logger_file = ClusterLog.getOMLogPath(DoradoDisasterRecoveryConstants.DDR_LOG_FILE, self.user)
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tmp_logger = GaussLog(tmp_logger_file, 'parse_and_validate_params', trace_id=self.trace_id)
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self.params = ParamsHandler(tmp_logger, self.trace_id).get_valid_params()
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self.log_file = self.params.logFile if self.params.logFile else \
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ClusterLog.getOMLogPath(DoradoDisasterRecoveryConstants.DDR_LOG_FILE, self.user)
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self.logger = GaussLog(self.log_file, self.params.task, trace_id=self.trace_id)
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if __name__ == '__main__':
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if os.getuid() == 0:
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GaussLog.exitWithError(ErrorCode.GAUSS_501["GAUSS_50105"])
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base = DoradoDisasterRecoveryBase()
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handler = HANDLER_MAPPING[base.params.task](base.params, base.user,
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base.logger, base.trace_id, base.log_file)
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handler.handle_lock_file(handler.trace_id, 'create')
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try:
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if base.params.task in DoradoDisasterRecoveryConstants.TASK_EXIST_CHECK:
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handler.check_parallel_process_is_running()
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handler.run()
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except Exception as error:
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handler.logger.error(error)
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raise Exception(str(error))
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finally:
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handler.handle_lock_file(handler.trace_id, 'remove')
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