280 lines
8.8 KiB
Python
280 lines
8.8 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 : LocalPerformanceCheck.py is a utility to
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# check if GaussDB performance.
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#############################################################################
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import subprocess
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import getopt
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import os
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import sys
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import time
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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.ParameterParsecheck import Parameter
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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 multiprocessing.dummy import Pool as ThreadPool
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from domain_utils.cluster_file.cluster_log import ClusterLog
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from base_utils.os.file_util import FileUtil
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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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ACTION_SSDPerfCheck = "SSDPerfCheck"
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INDENTATION_VALUE = 37
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class CmdOptions():
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def __init__(self):
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"""
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function: initialize variable
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input : NA
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output: NA
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"""
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pass
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action = ""
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logFile = ""
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user = ""
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g_opts = CmdOptions()
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g_logger = None
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g_perfChecker = None
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class LocalPerformanceCheck():
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def __init__(self):
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"""
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function: initialize variable
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input : NA
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output: NA
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"""
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self.user = ""
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self.logFile = ""
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self.action = ""
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def CheckSSDPerf(self):
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"""
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function: check SSD performance
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input : NA
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output: NA
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"""
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diskDevList = []
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# Obtain the SSD device
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devList = DefaultValue.obtainSSDDevice()
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# traverse dev
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for dev in devList:
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cmd = "df -P -h | grep %s | awk '{print $6}'" % dev
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(status, output) = subprocess.getstatusoutput(cmd)
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if (status == 0):
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if (output == ""):
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continue
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diskDirInfo = output.split('\n')
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for diskDir in diskDirInfo:
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diskDevList.append("%s:%s" % (dev, diskDir))
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# check if SSD disk exists on current node
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if diskDevList == []:
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raise Exception(ErrorCode.GAUSS_530["GAUSS_53005"])
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# Concurrent execution
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pool = ThreadPool(DefaultValue.getCpuSet())
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pool.map(self.CheckSingleSSDPerf, diskDevList)
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pool.close()
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pool.join()
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def CheckSingleSSDPerf(self, diskDev):
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"""
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function: check Single SSD performance
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input : diskDev
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output: NA
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"""
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try:
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devlist = diskDev.split(':')
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dev = devlist[0]
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diskDir = devlist[1]
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# get current time
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currentTime = time.strftime("%Y-%m-%d_%H%M%S")
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# get tmp File
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tmpFile = os.path.join(diskDir, "%s-%s-%d" % ("tmpfile_SSDperf",
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currentTime,
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os.getpid()))
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cmd = "dd if=/dev/zero of=%s bs=8M count=2560 oflag=direct &&" \
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% tmpFile
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cmd += "dd if=%s of=/dev/null bs=8M count=2560 iflag=direct" \
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% tmpFile
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(status, output) = subprocess.getstatusoutput(cmd)
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if (status == 0):
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output = output.split("\n")
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writeInfolist = output[2].strip().split(",")
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readInfolist = output[5].strip().split(",")
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result = " %s (%s) Path (%s)\n" \
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" %s: %s\n" \
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" %s: %s\n %s: %s\n" \
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" %s: %s\n %s: %s" \
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% (dev.split('/')[2], dev, diskDir,
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"Data size".ljust(INDENTATION_VALUE),
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writeInfolist[0][:-7],
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"Write time".ljust(INDENTATION_VALUE),
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(writeInfolist[1]).strip(),
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"Write speed".ljust(INDENTATION_VALUE),
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(writeInfolist[2]).strip(),
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"Read time".ljust(INDENTATION_VALUE),
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(readInfolist[1]).strip(),
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"Read speed".ljust(INDENTATION_VALUE),
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(readInfolist[2]).strip())
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g_logger.log(result)
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else:
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raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"] % cmd
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+ " Error:\n%s" % output)
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os.remove(tmpFile)
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g_logger.debug("Successfully checked SSD performance.")
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except Exception as e:
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os.remove(tmpFile)
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g_logger.log("%s failed." % g_opts.action)
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g_logger.debug(str(e))
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def usage():
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"""
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localPerfCheck.py is a utility to check if GaussDB performance.
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Internal use only.
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Usage:
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python3 --help | -?
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python3 LocalPerformanceCheck.py -t action [-l logfile] [-U username]
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Common options:
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-t The type of action.
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-U The user and group name.
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-l The path of log file.
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-? --help Show this help screen.
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"""
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print(usage.__doc__)
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def initGlobal():
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"""
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function: Init global variables
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input : NA
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output: NA
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"""
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global g_logger
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global g_perfChecker
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try:
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g_logger = GaussLog(g_opts.logFile, g_opts.action)
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# Modify log File Permissions
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FileUtil.modifyFileOwner(g_opts.user, g_logger.logFile)
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g_perfChecker = LocalPerformanceCheck()
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except Exception as e:
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g_logger.logExit(str(e))
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def parseCommandLine():
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"""
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function: Parse command line and save to global variable
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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:], "t:U:l:", ["help"])
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except Exception as e:
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# print help information
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usage()
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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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# parse parameter
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for (key, value) in opts:
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if (key == "--help"):
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usage()
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sys.exit(0)
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elif (key == "-t"):
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g_opts.action = value
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elif (key == "-l"):
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g_opts.logFile = value
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elif (key == "-U"):
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g_opts.user = value
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Parameter.checkParaVaild(key, value)
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def checkParameter():
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"""
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function: Check parameter from command line
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input : NA
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output: NA
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"""
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# check if user exist and is the right user
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ClusterUser.checkUser(g_opts.user)
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# check log file
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if (g_opts.logFile == ""):
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g_opts.logFile = ClusterLog.getOMLogPath(
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ClusterConstants.LOCAL_LOG_FILE, g_opts.user, "")
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# check if absolute path
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if (not os.path.isabs(g_opts.logFile)):
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GaussLog.exitWithError(ErrorCode.GAUSS_502["GAUSS_50213"] % "log")
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# check if installed SSD
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if not DefaultValue.checkSSDInstalled():
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GaussLog.exitWithError(ErrorCode.GAUSS_530["GAUSS_53008"])
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def docheck():
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"""
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function: check SSD performance
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input : NA
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output: NA
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"""
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if (g_opts.action == ACTION_SSDPerfCheck):
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# check SSD performance
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g_perfChecker.CheckSSDPerf()
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else:
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g_logger.logExit(ErrorCode.GAUSS_500["GAUSS_50000"] % g_opts.action)
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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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# arse command line and save to global variable
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parseCommandLine()
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# Check parameter from command line
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checkParameter()
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# Init global variables
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initGlobal()
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except Exception as e:
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# Modify the file's owner
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FileUtil.modifyFileOwner(g_opts.user, g_opts.logFile)
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GaussLog.exitWithError(str(e))
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try:
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# check SSD performance
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docheck()
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# close log file
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g_logger.closeLog()
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except Exception as e:
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# Modify the file's owner
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FileUtil.modifyFileOwner(g_opts.user, g_logger.logFile)
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g_logger.logExit(str(e))
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sys.exit(0)
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