272 lines
9.5 KiB
Python
272 lines
9.5 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 : CheckUninstall.py is a utility to check the
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# instance status on local node.
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#############################################################################
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import getopt
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import os
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import sys
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import platform
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import subprocess
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sys.path.append(sys.path[0] + "/../")
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from gspylib.common.GaussLog import GaussLog
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from gspylib.common.Common import DefaultValue
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from gspylib.common.ParameterParsecheck import Parameter
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from gspylib.common.ErrorCode import ErrorCode
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from domain_utils.cluster_file.cluster_log import ClusterLog
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from domain_utils.domain_common.cluster_constants import ClusterConstants
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from domain_utils.cluster_os.cluster_user import ClusterUser
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from base_utils.os.env_util import EnvUtil
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from gspylib.component.DSS.dss_comp import Dss
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from domain_utils.cluster_file.cluster_dir import ClusterDir
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class CheckUninstall:
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'''
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classdocs
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'''
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def __init__(self):
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'''
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Constructor
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'''
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self.installPath = ""
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self.user = ""
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self.cleanUser = False
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self.cleanData = False
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self.logger = None
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##########################################################################
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# Help context. U:R:oC:v:
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##########################################################################
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def usage(self):
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"""
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function: usage
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input : NA
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output : NA
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"""
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print("CheckUninstall.py is a utility to check Gauss MPP Database"
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" status .")
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print(" ")
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print("Usage:")
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print(" python3 CheckUninstall.py --help")
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print(" python3 CheckUninstall.py -R installpath -U user [-d] [-u]"
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" [-l log]")
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print(" ")
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print("Common options:")
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print(" -U the database program and cluster owner")
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print(" -R the database program path")
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print(" -d clean data path")
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print(" -u clean user")
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print(" -l log directory")
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print(" --help show this help, then exit")
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print(" ")
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##########################################################################
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# check uninstall
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##########################################################################
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def checkUninstall(self):
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"""
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function:
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Check all kinds of environment. It includes:
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1. Input parameters.
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2. OS version.
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3. User Info
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4. If it has a old install.
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input : NA
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output: NA
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"""
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self.__checkParameters()
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self.__checkOSVersion()
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self.__checkOsUser()
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self.__checkInstanllPath()
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self.logger.closeLog()
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def unregister(self):
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'''
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Deregistering a Disk in dss-mode
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'''
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gausshome = ClusterDir.getInstallDir(self.user)
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dsscmd = os.path.realpath(os.path.join(gausshome, 'bin', 'dsscmd'))
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if os.path.isfile(dsscmd):
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dss_home = EnvUtil.get_dss_home(self.user)
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cfg = os.path.join(dss_home, 'cfg', 'dss_inst.ini')
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if os.path.isfile(cfg):
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Dss.unreg_disk(dss_home, logger=self.logger)
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self.logger.log("Successfully unregist the lun.")
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else:
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self.logger.log(f"The {cfg} not exist.")
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else:
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self.logger.debug("Non-dss-mode or not find dsscmd.")
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def __checkParameters(self):
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"""
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function: check input parameters
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input : NA
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output: NA
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"""
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try:
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opts, args = getopt.getopt(sys.argv[1:], "U:R:l:du", ["help"])
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except getopt.GetoptError as e:
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GaussLog.exitWithError(ErrorCode.GAUSS_500["GAUSS_50000"]
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% str(e))
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if (len(args) > 0):
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GaussLog.exitWithError(ErrorCode.GAUSS_500["GAUSS_50000"]
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% str(args[0]))
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logFile = ""
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for key, value in opts:
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if (key == "-U"):
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self.user = value
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elif (key == "-R"):
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self.installPath = value
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elif (key == "-l"):
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logFile = value
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elif (key == "-d"):
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self.cleanData = True
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elif (key == "-u"):
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self.cleanUser = True
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elif (key == "--help"):
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self.usage()
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sys.exit(0)
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else:
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GaussLog.exitWithError(ErrorCode.GAUSS_500["GAUSS_50000"]
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% key)
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Parameter.checkParaVaild(key, value)
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if (self.user == ""):
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GaussLog.exitWithError(ErrorCode.GAUSS_500["GAUSS_50001"]
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% 'U' + ".")
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if (self.installPath == ""):
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raise Exception(ErrorCode.GAUSS_500["GAUSS_50001"] % 'R' + ".")
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if (logFile == ""):
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logFile = ClusterLog.getOMLogPath(ClusterConstants.LOCAL_LOG_FILE,
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"", self.installPath, "")
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self.logger = GaussLog(logFile, "CheckUninstall")
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self.logger.debug("The installation path of program: "
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+ self.installPath)
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self.logger.debug("The parameter of clean user is: %s."
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% self.cleanUser)
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self.logger.debug("The parameter of clean data is: %s."
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% self.cleanData)
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def __checkOSVersion(self):
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"""
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function: Check operator system version, install binary file version.
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input : NA
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output: NA
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"""
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self.logger.log("Checking OS version.")
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try:
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if (not DefaultValue.checkOsVersion()):
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raise Exception(ErrorCode.GAUSS_519["GAUSS_51900"]
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+ "The current system is: %s."
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% platform.platform())
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except Exception as e:
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raise Exception(str(e))
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self.logger.log("Successfully checked OS version.")
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def __checkOsUser(self):
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"""
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function: Check if user exists and get $GAUSSHOME
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input : NA
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output: NA
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"""
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if not self.cleanUser:
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self.logger.log("Skipping user check. ")
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return
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self.logger.log("Checking OS user.")
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try:
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ClusterUser.checkUser(self.user, False)
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except Exception as e:
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raise Exception(str(e))
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# Get GAUSSHOME
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cmd = "echo $GAUSSHOME 2>/dev/null"
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(status, output) = subprocess.getstatusoutput(cmd)
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if (status != 0):
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self.logger.debug("The cmd is %s " % cmd)
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raise Exception(ErrorCode.GAUSS_518["GAUSS_51802"]
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% "$GAUSSHOME" + " Error:\n%s" % output)
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gaussHome = output.strip()
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if (gaussHome == ""):
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raise Exception(ErrorCode.GAUSS_518["GAUSS_51800"] % "$GAUSSHOME")
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if (gaussHome != self.installPath):
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self.logger.debug("$GAUSSHOME: %s." % gaussHome)
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self.logger.debug("Installation path parameter: %s."
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% self.installPath)
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raise Exception(ErrorCode.GAUSS_518["GAUSS_51807"])
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self.logger.log("Successfully checked OS user.")
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def __checkInstanllPath(self):
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"""
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function: Check if path exists and get owner
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input : NA
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output: NA
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"""
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self.logger.log("Checking installation path.")
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if (not os.path.exists(self.installPath)):
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self.logger.log("Installation path does not exist: %s."
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% self.installPath)
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if (not self.cleanData and not self.cleanUser):
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raise Exception(ErrorCode.GAUSS_502["GAUSS_50219"]
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% "installation path")
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else:
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# Get owner
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cmd = "stat -c '%%U:%%G' %s" % self.installPath
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(status, output) = subprocess.getstatusoutput(cmd)
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if (status != 0):
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self.logger.debug("The cmd is %s " % cmd)
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raise Exception(ErrorCode.GAUSS_503["GAUSS_50308"]
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+ " Error: \n%s" % str(output))
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owerInfo = output.strip()
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(user, group) = owerInfo.split(':')
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if (self.user != user.strip()):
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self.logger.debug("The owner information of installation"
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" path: %s." % owerInfo)
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self.logger.debug("User parameter : %s." % self.user)
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raise Exception(ErrorCode.GAUSS_503["GAUSS_50315"]
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% (self.user, self.installPath))
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self.logger.log("Successfully checked installation path.")
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if __name__ == '__main__':
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"""
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main function
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"""
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try:
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checker = CheckUninstall()
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checker.checkUninstall()
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except Exception as e:
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GaussLog.exitWithError(str(e))
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sys.exit(0)
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