增加对主机term合法性的校验
This commit is contained in:
xue_meng_en
parent
fd9b981119
commit
6729cd9ab3
@ -38,7 +38,7 @@ def getLocalhostName():
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def executeCmdOnHost(host, cmd, isLocal = False):
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if not isLocal:
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cmd = 'ssh -o ConnectTimeout=5 %s \"%s\"' % (host, cmd)
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cmd = 'ssh -q -o ConnectTimeout=5 %s \"%s\"' % (host, cmd)
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status, output = subprocess.getstatusoutput(cmd)
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return status, output
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@ -33,7 +33,7 @@ class InstallImpl:
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self.envFile = install.envFile
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self.xmlFile = install.xmlFile
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self.cmDirs = install.cmDirs
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self.hostNames = install.hostNames
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self.hostnames = install.hostnames
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self.gaussHome = install.gaussHome
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self.gaussLog = install.gaussLog
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self.toolPath = install.toolPath
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@ -51,7 +51,7 @@ class InstallImpl:
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create path: cmdir、cmdir/cm_server、cmdir/cm_agent
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"""
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self.logger.log("Preparing CM path.")
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for (cmdir, host) in zip(self.cmDirs, self.hostNames):
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for (cmdir, host) in zip(self.cmDirs, self.hostnames):
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cmd = "mkdir -p {cmdir}/cm_server {cmdir}/cm_agent".format(cmdir=cmdir)
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status, output = self.executeCmdOnHost(host, cmd)
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if status != 0:
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@ -77,7 +77,7 @@ class InstallImpl:
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# decompress cmpkg on other hosts
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cmpkgName = os.path.basename(self.cmpkg)
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for host in self.hostNames:
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for host in self.hostnames:
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if host == self.localhostName:
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continue
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# copy cm pacakage to other hosts
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@ -125,7 +125,7 @@ class InstallImpl:
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touch {gaussHome}/bin/cluster_manual_start
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fi
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""".format(gaussHome=self.gaussHome)
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for host in self.hostNames:
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for host in self.hostnames:
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status, output = self.executeCmdOnHost(host, cmd)
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if status != 0:
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self.logger.debug("Command: " + cmd)
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@ -134,7 +134,7 @@ class InstallImpl:
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def initCMServer(self):
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self.logger.log("Initializing cm_server.")
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for (cmdir, host) in zip(self.cmDirs, self.hostNames):
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for (cmdir, host) in zip(self.cmDirs, self.hostnames):
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cmd = """
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cp {gaussHome}/share/config/cm_server.conf.sample {cmdir}/cm_server/cm_server.conf
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sed 's#log_dir = .*#log_dir = {gaussLog}/cm/cm_server#' {cmdir}/cm_server/cm_server.conf -i
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@ -147,7 +147,7 @@ class InstallImpl:
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def initCMAgent(self):
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self.logger.log("Initializing cm_agent.")
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for (cmdir, host) in zip(self.cmDirs, self.hostNames):
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for (cmdir, host) in zip(self.cmDirs, self.hostnames):
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cmd = """
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cp {gaussHome}/share/config/cm_agent.conf.sample {cmdir}/cm_agent/cm_agent.conf &&
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sed 's#log_dir = .*#log_dir = {gaussLog}/cm/cm_agent#' {cmdir}/cm_agent/cm_agent.conf -i &&
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@ -198,7 +198,7 @@ class InstallImpl:
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# set crontab on other hosts
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setCronCmd = "crontab %s" % cronContentTmpFile
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cleanTmpFileCmd = "rm %s -f" % cronContentTmpFile
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for host in self.hostNames:
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for host in self.hostnames:
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if host == self.localhostName:
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continue
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# copy cronContentTmpFile to other host
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@ -246,6 +246,7 @@ class InstallImpl:
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self.logger.debug("Command: " + startCmd)
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errorDetail = "\nStatus: %s\nOutput: %s" % (status, output)
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self.logger.logExit("Failed to start cluster." + errorDetail)
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queryCmd = "source %s; cm_ctl query -Cv" % self.envFile
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status, output = subprocess.getstatusoutput(queryCmd)
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if status != 0:
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@ -49,6 +49,9 @@ class Install:
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self.hostnames = []
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self.localhostName = ""
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self.cmpkg = ""
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self.nodesInfo = dict()
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self.clusterStopped = False
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self.maxTerm = 0
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def getLocalhostName(self):
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import socket
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@ -131,7 +134,7 @@ General options:
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if status != 0:
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errorDetail = "\nCommand: %s\nStatus: %s\nOutput: %s\n" % (
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cmd, status, output)
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CMLog.exitWithError("OM tool is required." + errorDetail)
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self.logger.logExit("OM tool is required." + errorDetail)
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def checkXMLFileSecurity(self):
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"""
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@ -174,6 +177,24 @@ General options:
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"""
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self.localhostName = getLocalhostName()
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# get hostnames and port from static file
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cmd = "source %s; gs_om -t view" % self.envFile
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status, output = subprocess.getstatusoutput(cmd)
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if status != 0:
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self.logger.logExit((ErrorCode.GAUSS_514["GAUSS_51400"] % cmd) + \
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"\nStatus:%d\nOutput:" + output)
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nodesStaticInfo = re.split("=+", output)[1:]
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for nodeInfo in nodesStaticInfo:
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if nodeInfo == "":
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continue
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nodename = re.findall("nodeName:(.*)", nodeInfo)[0]
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self.hostnames.append(nodename)
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dataPath = re.findall("datanodeLocalDataPath.*:(.*)", nodeInfo)[0]
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port = re.findall("datanodePort.*:(.*)", nodeInfo)[0]
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self.nodesInfo[nodename] = {"dataPath": dataPath, "port": port}
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# get node info from XML
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hostnamesInXML = []
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rootNode = self.initParserXMLFile()
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elementName = 'DEVICELIST'
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if not rootNode.findall('DEVICELIST'):
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@ -188,27 +209,30 @@ General options:
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paraName = param.attrib['name']
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paraValue = param.attrib['value']
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if paraName == 'name':
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self.hostnames.append(paraValue)
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hostnamesInXML.append(paraValue)
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elif paraName == 'cmDir':
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self.cmDirs.append(paraValue)
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elif paraName in cmDict.keys():
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cmDict[paraName] = paraValue
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# check whether XML contains all nodes info
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if self.hostnames != hostnamesInXML:
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self.logger.logExit("XML info is not consistent with static file.")
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# check params in xml
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for item in cmDict:
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if item == 'cmServerPortStandby':
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continue
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if cmDict[item] == "":
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CMLog.exitWithError(ErrorCode.GAUSS_512["GAUSS_51200"] % item)
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self.logger.logExit(ErrorCode.GAUSS_512["GAUSS_51200"] % item)
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if cmDict['cmsNum'] != '1':
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CMLog.exitWithError(ErrorCode.GAUSS_500["GAUSS_50024"] % 'cmsNum')
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self.logger.logExit(ErrorCode.GAUSS_500["GAUSS_50024"] % 'cmsNum')
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if cmDict['cmServerlevel'] != '1':
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CMLog.exitWithError(ErrorCode.GAUSS_500["GAUSS_50024"] % 'cmServerlevel')
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self.logger.logExit(ErrorCode.GAUSS_500["GAUSS_50024"] % 'cmServerlevel')
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if not cmDict['cmServerPortBase'].isdigit():
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CMLog.exitWithError(ErrorCode.GAUSS_500["GAUSS_50024"] % 'cmServerPortBase')
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self.logger.logExit(ErrorCode.GAUSS_500["GAUSS_50024"] % 'cmServerPortBase')
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if cmDict['cmServerPortStandby'] != "" and not cmDict['cmServerPortStandby'].isdigit():
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CMLog.exitWithError(ErrorCode.GAUSS_500["GAUSS_50024"] % 'cmServerPortStandby')
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self.logger.logExit(ErrorCode.GAUSS_500["GAUSS_50024"] % 'cmServerPortStandby')
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if len(self.hostnames) != len(self.cmDirs):
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CMLog.exitWithError("\"cmDir\" of all nodes must be provided.")
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self.logger.logExit("\"cmDir\" of all nodes must be provided.")
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def checkHostTrust(self):
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checkHostsTrust(self.hostnames, self.localhostName)
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@ -227,18 +251,68 @@ General options:
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"grep 'CMServer State' > /dev/null" % self.envFile
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status, output = subprocess.getstatusoutput(checkCMExistCmd)
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if status == 0:
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CMLog.exitWithError("CM exists in current cluster.")
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self.logger.logExit("CM exists in current cluster.")
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def checkCluster(self):
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"""
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check the status of the current cluster
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"""
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cmd = "source %s; gs_om -t status --detail" % self.envFile
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status, output = subprocess.getstatusoutput(cmd)
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if status != 0:
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erroeDetail = "Detail:\nCommand:\n" + cmd + "\noutput:" + output
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self.logger.logExit(ErrorCode.GAUSS_516["GAUSS_51600"] + erroeDetail)
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if "cluster_state : Unavailable" in output:
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# It’s permitted to deploy CM tool when cluster is stopped,
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# but not permitted when cluster is unavailable.
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if output.count("Manually stopped") == len(self.hostnames):
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self.clusterStopped = True
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return
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self.logger.logExit("The cluster is unavailable currently.")
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if "cluster_state : Normal" not in output:
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self.logger.logExit("Cluster is running but its status is abnormal.")
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# check whether term of primary is invalid and biggest.
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primaryCount = 0
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primaryTerm = 0
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sqlCmd = "select term from pg_last_xlog_replay_location();"
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for host in self.hostnames:
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isLocal = False
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if host == self.localhostName:
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isLocal = True
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findPrimaryCmd = "source %s; gs_ctl query -D %s | grep 'local_role.*Primary' > /dev/null" % \
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(self.envFile, self.nodesInfo[host]["dataPath"])
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notPrimary, output = executeCmdOnHost(host, findPrimaryCmd, isLocal)
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if notPrimary == 0:
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primaryCount += 1
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getTermLsnCmd = "source %s; gsql -d postgres -p %s -tA -c '%s'" % \
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(self.envFile, self.nodesInfo[host]["port"], sqlCmd)
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status, term = executeCmdOnHost(host, getTermLsnCmd, isLocal)
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if status != 0:
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self.logger.logExit("Failed to get term of host %s." % host)
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if notPrimary == 0:
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primaryTerm = int(term)
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if self.maxTerm < int(term):
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self.maxTerm = int(term)
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if primaryCount != 1:
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self.logger.logExit("The number of primary is invalid.")
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if primaryTerm == 0 or primaryTerm < self.maxTerm:
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self.logger.logExit("Term of primary is invalid or not maximal.\n"
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"Hint: it seems that the cluster is newly installed, so it's "
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"recommended to deploy CM tool while installing the cluster.")
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def run(self):
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self.checkExeUser()
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self.parseCommandLine()
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self.checkParam()
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self.checkOm()
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self.checkCM()
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self.getEnvParams()
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self.initLogger()
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self.getLocalhostName()
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self.checkOm()
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self.checkCM()
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self.getInfoListOfAllNodes()
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self.getLocalhostName()
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self.checkHostTrust()
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self.checkCluster()
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installImpl = InstallImpl(self)
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installImpl.run()
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