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hangjin2020
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script/gspylib/component/BaseComponent.py
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201
script/gspylib/component/BaseComponent.py
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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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import sys
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import os
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import socket
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import time
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sys.path.append(sys.path[0] + "/../../")
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from gspylib.common.ErrorCode import ErrorCode
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from gspylib.common.Common import DefaultValue
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from gspylib.os.gsfile import g_file
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from gspylib.os.gsOSlib import g_OSlib
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from gspylib.os.gsnetwork import g_network
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TIME_OUT = 2
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RETRY_TIMES = 100
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class BaseComponent(object):
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'''
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The class is used to define base component.
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'''
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def __init__(self):
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'''
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function: initialize the parameters
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input : NA
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output: NA
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'''
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self.logger = None
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self.instInfo = None
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self.version = ""
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self.pkgName = ""
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self.initParas = {}
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self.binPath = ""
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self.dwsMode = False
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self.level = 1
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self.clusterType = DefaultValue.CLUSTER_TYPE_SINGLE_INST
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def install(self):
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pass
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def setGucConfig(self, setMode='set', paraDict=None):
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pass
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def getGucConfig(self, paraList):
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pass
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def setPghbaConfig(self):
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pass
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def start(self):
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pass
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def stop(self):
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pass
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def uninstall(self):
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pass
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def killProcess(self):
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"""
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function: kill process
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input: process flag
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output: NA
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"""
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pass
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def fixPermission(self):
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pass
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def upgrade(self):
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pass
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def createPath(self):
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pass
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def perCheck(self):
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"""
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function: 1.Check instance port
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2.Check instance IP
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input : NA
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output: NA
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"""
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ipList = self.instInfo.listenIps
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ipList.extend(self.instInfo.haIps)
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portList = []
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portList.append(self.instInfo.port)
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portList.append(self.instInfo.haPort)
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ipList = DefaultValue.Deduplication(ipList)
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portList = DefaultValue.Deduplication(portList)
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# check port
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for port in portList:
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self.__checkport(port, ipList)
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# check ip
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failIps = g_network.checkIpAddressList(ipList)
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if (len(failIps) > 0):
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raise Exception(ErrorCode.GAUSS_506["GAUSS_50600"] +
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" The IP is %s." % ",".join(failIps))
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def __checkport(self, port, ipList):
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"""
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function: check Port
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input : NA
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output: NA
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"""
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tmpDir = DefaultValue.getTmpDirFromEnv()
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if (not os.path.exists(tmpDir)):
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raise Exception(ErrorCode.GAUSS_502["GAUSS_50201"] %
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tmpDir + " Please create it first.")
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pgsqlFiles = os.listdir(tmpDir)
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self.__checkRandomPortRange(port)
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pgsql = ".s.PGSQL.%d" % port
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pgsql_lock = ".s.PGSQL.%d.lock" % port
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if (pgsql in pgsqlFiles):
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raise Exception(ErrorCode.GAUSS_502["GAUSS_50200"] %
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"socket file" + " Port:%s." % port)
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if (pgsql_lock in pgsqlFiles):
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raise Exception(ErrorCode.GAUSS_502["GAUSS_50200"] %
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"socket lock file" + " Port:%s." % port)
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# Verify that the port is occupied
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for ip in ipList:
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sk = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sk.settimeout(TIME_OUT)
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# retry port 4 times
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retryFlag = True
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retryTime = 0
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while (retryFlag):
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try:
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sk.bind((ip, port))
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sk.close()
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break
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except socket.error as e:
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retryTime += 1
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time.sleep(1)
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if (retryTime > RETRY_TIMES):
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retryFlag = False
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try:
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portProcessInfo = g_OSlib.getPortProcessInfo(port)
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self.logger.debug("The ip [%s] port [%s] is "
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"occupied. \nBind error "
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"msg:\n%s\nDetail msg:\n%s" % \
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(ip, port, str(e),
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portProcessInfo))
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except Exception as e:
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self.logger.debug("Failed to get the process "
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"information of the port [%s], "
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"output:%s." % (port, str(e)))
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raise Exception(ErrorCode.GAUSS_506["GAUSS_50601"] %
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port)
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def __checkRandomPortRange(self, port):
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"""
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function: Check if port is in the range of random port
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input : port
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output: NA
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"""
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res = []
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try:
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rangeFile = "/proc/sys/net/ipv4/ip_local_port_range"
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output = g_file.readFile(rangeFile)
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res = output[0].split()
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except Exception as e:
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self.logger.debug(
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"Warning: Failed to get the range of random port."
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" Detail: \n%s" % str(e))
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return
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if (len(res) != 2):
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self.logger.debug("Warning: The range of random port is invalid. "
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"Detail: \n%s" % str(output))
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return
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minPort = int(res[0])
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maxPort = int(res[1])
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if (port >= minPort and port <= maxPort):
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self.logger.debug("Warning: Current instance port is in the "
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"range of random port(%d - %d)." % (minPort,
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maxPort))
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def postCheck(self):
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pass
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