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openGauss-OM/script/local/StopInstance.py
coolany eae422baf3 适配CM组件
Signed-off-by: coolany <kyosang@163.com>

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2022-03-05 18:51:52 +08:00

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Python

#!/usr/bin/env python3
# -*- 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 sys
import getopt
sys.path.append(sys.path[0] + "/../")
from gspylib.common.GaussLog import GaussLog
from gspylib.common.ErrorCode import ErrorCode
from gspylib.common.LocalBaseOM import LocalBaseOM
from gspylib.common.ParameterParsecheck import Parameter
from domain_utils.cluster_file.cluster_log import ClusterLog
from domain_utils.domain_common.cluster_constants import ClusterConstants
class Stop(LocalBaseOM):
"""
The class is used to do perform stop
"""
def __init__(self):
"""
function: initialize the parameters
input: NA
output: NA
"""
super(Stop, self).__init__()
self.user = ""
self.dataDir = ""
self.time_out = 300
self.logFile = ""
self.logger = None
self.stopMode = ""
self.installPath = ""
def usage(self):
"""
gs_stop is a utility to stop the database
Uasge:
gs_stop -? | --help
gs_stop -U USER [-D DATADIR][-t SECS][-l LOGFILE][-m SHUTDOWN-MODE]
General options:
-U USER the database program and cluster owner")
-D DATADIR data directory of instance
-t SECS seconds to wait
-l LOGFILE log file
-m SHUTDOWN-MODE the modes of stop
-?, --help show this help, then exit
"""
print(self.usage.__doc__)
def parseCommandLine(self):
"""
function: Check input parameters
input : NA
output: NA
"""
try:
opts, args = getopt.getopt(sys.argv[1:], "U:D:l:t:R:m:h?",
["help"])
except getopt.GetoptError as e:
GaussLog.exitWithError(ErrorCode.GAUSS_500["GAUSS_50000"] % str(e))
if (len(args) > 0):
GaussLog.exitWithError(
ErrorCode.GAUSS_500["GAUSS_50000"] % str(args[0]))
for key, value in opts:
if key == "-U":
self.user = value
elif key == "-D":
self.dataDir = value
elif key == "-m":
self.stopMode = value
elif key == "-t":
self.time_out = int(value)
elif key == "-l":
self.logFile = value
elif key == "-R":
self.installPath = value
elif key == "--help" or key == "-h" or key == "-?":
self.usage()
sys.exit(0)
else:
GaussLog.exitWithError(
ErrorCode.GAUSS_500["GAUSS_50000"] % key)
Parameter.checkParaVaild(key, value)
if self.user == "":
GaussLog.exitWithError(
ErrorCode.GAUSS_500["GAUSS_50001"] % 'U' + ".")
if self.logFile == "":
self.logFile = ClusterLog.getOMLogPath(
ClusterConstants.LOCAL_LOG_FILE, self.user, self.installPath)
def __initLogger(self):
"""
function: Init logger
input : NA
output: NA
"""
self.logger = GaussLog(self.logFile, "StopInstance")
def init(self):
"""
function: constructor
"""
self.__initLogger()
self.readConfigInfo()
self.initComponent()
def doStop(self):
"""
function: do stop database
input : NA
output : NA
"""
isDataDirCorrect = False
for dn in self.dnCons:
if self.dataDir != "" and dn.instInfo.datadir != self.dataDir:
continue
dn.stop(self.stopMode, self.time_out)
isDataDirCorrect = True
if not isDataDirCorrect:
raise Exception(ErrorCode.GAUSS_536["GAUSS_53610"] % self.dataDir)
def main():
"""
main function
"""
try:
stop = Stop()
stop.parseCommandLine()
stop.init()
stop.doStop()
except Exception as e:
GaussLog.exitWithError(ErrorCode.GAUSS_536["GAUSS_53609"] % str(e))
if __name__ == "__main__":
main()