96 lines
3.9 KiB
Python
96 lines
3.9 KiB
Python
# -*- coding:utf-8 -*-
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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 subprocess
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from gspylib.inspection.common import SharedFuncs
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from gspylib.inspection.common.CheckItem import BaseItem
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from gspylib.inspection.common.CheckResult import ResultStatus
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from gspylib.common.ErrorCode import ErrorCode
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from base_utils.os.net_util import NetUtil
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networkCardNum = ""
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class CheckMTU(BaseItem):
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def __init__(self):
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super(CheckMTU, self).__init__(self.__class__.__name__)
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self.expectMTU1 = None
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self.expectMTU2 = None
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def preCheck(self):
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# check current node contains cn instances if not raise exception
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super(CheckMTU, self).preCheck()
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# check the threshold was set correctly
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if (not self.threshold.__contains__('expectMTU1')):
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raise Exception(ErrorCode.GAUSS_530["GAUSS_53013"]
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% "threshold expectMTU1")
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self.expectMTU1 = self.threshold['expectMTU1']
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if (not self.threshold.__contains__('expectMTU2')):
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raise Exception(ErrorCode.GAUSS_530["GAUSS_53013"]
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% "threshold expectMTU2")
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self.expectMTU2 = self.threshold['expectMTU2']
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def doCheck(self):
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global networkCardNum
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if self.cluster:
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# Get node information
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LocalNodeInfo = self.cluster.getDbNodeByName(self.host)
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# Get the IP address
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backIP = LocalNodeInfo.backIps[0]
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else:
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backIP = SharedFuncs.getIpByHostName(self.host)
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# Get the network card number
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networkCards = NetUtil.getAllNetworkInfo()
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for network in networkCards:
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if network.ipAddress == backIP:
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networkCardNum = network.NICNum
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networkMTU = network.MTUValue
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break
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if not networkCardNum or not networkMTU:
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raise Exception(ErrorCode.GAUSS_506["GAUSS_50619"])
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# Check the mtu value obtained is not a number
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if not str(networkMTU).isdigit():
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raise Exception(ErrorCode.GAUSS_506["GAUSS_50612"]
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% (networkCardNum + " " + "MTU"))
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self.result.val = str(networkMTU)
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# Compare the acquired MTU with the threshold
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if (int(networkMTU) != int(self.expectMTU1) and int(
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networkMTU) != int(self.expectMTU2)):
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self.result.rst = ResultStatus.WARNING
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self.result.raw = "Warning MTU value[%s]: RealValue '%s' " \
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"ExpectedValue '%s' or '%s'.\n" \
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% (networkCardNum, int(networkMTU),
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self.expectMTU1, self.expectMTU2)
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else:
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self.result.rst = ResultStatus.OK
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self.result.raw = "[%s]MTU: %s" \
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% (networkCardNum, str(networkMTU))
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def doSet(self):
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resultStr = ""
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(THPFile, initFile) = SharedFuncs.getTHPandOSInitFile()
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cmd = "ifconfig %s mtu 1500;" % networkCardNum
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cmd += "echo ifconfig %s mtu 1500 >> %s" % (networkCardNum, initFile)
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(status, output) = subprocess.getstatusoutput(cmd)
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if (status != 0):
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resultStr += "Set MTU Failed.Error : %s." % output
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resultStr += "The cmd is %s " % cmd
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if (len(resultStr) > 0):
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self.result.val = resultStr
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else:
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self.result.val = "Set MTU successfully."
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