96 lines
3.9 KiB
Python
96 lines
3.9 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_sdr is a utility for streaming
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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.streaming_disaster_recovery.streaming_constants import StreamingConstants
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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.streaming_disaster_recovery.params_handler import ParamsHandler
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from impl.streaming_disaster_recovery.streaming_modules.\
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streaming_diaster_recovery_start import StreamingStartHandler
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from impl.streaming_disaster_recovery.streaming_modules.\
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streaming_disaster_recovery_stop import StreamingStopHandler
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from impl.streaming_disaster_recovery.streaming_modules.\
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streaming_disaster_recovery_failover import StreamingFailoverHandler
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from impl.streaming_disaster_recovery.streaming_modules.\
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streaming_disaster_recovery_switchover import StreamingSwitchoverHandler
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from impl.streaming_disaster_recovery.streaming_modules.\
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streaming_disaster_recovery_query import StreamingQueryHandler
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HANDLER_MAPPING = {
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"start": StreamingStartHandler,
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"stop": StreamingStopHandler,
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"switchover": StreamingSwitchoverHandler,
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"failover": StreamingFailoverHandler,
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"query": StreamingQueryHandler
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}
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class StreamingDisasterRecoveryBase(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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StreamingDisasterRecoveryBase.mock_process_user_sensitive_info()
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self.__init_globals()
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@staticmethod
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def mock_process_user_sensitive_info():
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"""mock_process_user_sensitive_info"""
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cmdline = DefaultValue.get_proc_title("-W")
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DefaultValue.set_proc_title(cmdline)
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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(StreamingConstants.STREAMING_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(StreamingConstants.STREAMING_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 = StreamingDisasterRecoveryBase()
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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 StreamingConstants.TASK_EXIST_CHECK:
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handler.check_streaming_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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