153 lines
6.3 KiB
Python
153 lines
6.3 KiB
Python
# -*- coding:utf-8 -*-
|
|
# Copyright (c) 2020 Huawei Technologies Co.,Ltd.
|
|
#
|
|
# openGauss is licensed under Mulan PSL v2.
|
|
# You can use this software according to the terms
|
|
# and conditions of the Mulan PSL v2.
|
|
# You may obtain a copy of Mulan PSL v2 at:
|
|
#
|
|
# http://license.coscl.org.cn/MulanPSL2
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OF ANY KIND,
|
|
# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
|
# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
|
# See the Mulan PSL v2 for more details.
|
|
# ----------------------------------------------------------------------------
|
|
import os
|
|
import subprocess
|
|
from gspylib.inspection.common.CheckItem import BaseItem
|
|
from gspylib.inspection.common.CheckResult import ResultStatus
|
|
from gspylib.common.ErrorCode import ErrorCode
|
|
from domain_utils.cluster_file.config_param import ConfigParam
|
|
from base_utils.os.file_util import FileUtil
|
|
from os_platform.linux_distro import LinuxDistro
|
|
|
|
setParameterList = {}
|
|
|
|
|
|
class CheckSysParams(BaseItem):
|
|
def __init__(self):
|
|
super(CheckSysParams, self).__init__(self.__class__.__name__)
|
|
self.version = None
|
|
|
|
def preCheck(self):
|
|
# check the threshold was set correctly
|
|
if (not self.threshold.__contains__('version')):
|
|
raise Exception(ErrorCode.GAUSS_530["GAUSS_53013"] % "version")
|
|
self.version = self.threshold['version']
|
|
|
|
def SetSysctlForList(self, key, value):
|
|
"""
|
|
function: Set sysctl parameter
|
|
input : key, value
|
|
output: NA
|
|
"""
|
|
kernelParameterFile = "/etc/sysctl.conf"
|
|
cmd = """sed -i '/^\\s*%s *=.*$/d' %s &&
|
|
echo %s = %s >> %s 2>/dev/null""" % (
|
|
key, kernelParameterFile, key, value, kernelParameterFile)
|
|
(status, output) = subprocess.getstatusoutput(cmd)
|
|
if (status != 0):
|
|
raise Exception(output + " The cmd is %s " % cmd)
|
|
|
|
|
|
def doCheck(self):
|
|
global setParameterList
|
|
patchlevel = ""
|
|
resultList = []
|
|
informationlist = []
|
|
dirName = os.path.dirname(os.path.realpath(__file__))
|
|
|
|
configFile = "%s/../../config/check_list_%s.conf" % (
|
|
dirName, self.version)
|
|
suggestParameterList = ConfigParam.getConfigFilePara(
|
|
configFile,
|
|
'SUGGEST:/etc/sysctl.conf')
|
|
kernelParameter = ConfigParam.getConfigFilePara(configFile,
|
|
'/etc/sysctl.conf')
|
|
kernelParameter.update(suggestParameterList)
|
|
distname, version, idnum = LinuxDistro.linux_distribution()
|
|
if (distname == "SuSE" and version == "11"):
|
|
patInfo = FileUtil.readFile("/etc/SuSE-release", 'PATCHLEVEL')[0]
|
|
if (patInfo.find('=') > 0):
|
|
output = patInfo.split('=')[1].strip()
|
|
if (output != ""):
|
|
patchlevel = output
|
|
for key in kernelParameter:
|
|
if (patchlevel == "1" and key == "vm.extfrag_threshold"):
|
|
continue
|
|
|
|
sysFile = "/proc/sys/%s" % key.replace('.', '/')
|
|
# High version of linux no longer supports tcp_tw_recycle
|
|
if (not os.path.exists(
|
|
sysFile) and key == "net.ipv4.tcp_tw_recycle"):
|
|
continue
|
|
output = FileUtil.readFile(sysFile)[0].strip()
|
|
if (len(output.split()) > 1):
|
|
output = ' '.join(output.split())
|
|
|
|
if (output != kernelParameter[key].strip() and key not in list(
|
|
suggestParameterList.keys())):
|
|
resultList.append(1)
|
|
informationlist.append(
|
|
"Abnormal reason: variable '%s' "
|
|
"RealValue '%s' ExpectedValue '%s'." % (
|
|
key, output, kernelParameter[key]))
|
|
setParameterList[key] = kernelParameter[key]
|
|
elif output != kernelParameter[key].strip():
|
|
if (key == "vm.overcommit_ratio"):
|
|
output = FileUtil.readFile("/proc/sys/vm/overcommit_memory")[
|
|
0].strip()
|
|
if (output == "0"):
|
|
continue
|
|
resultList.append(2)
|
|
informationlist.append(
|
|
"Warning reason: variable '%s' RealValue '%s' "
|
|
"ExpectedValue '%s'." % (
|
|
key, output, kernelParameter[key]))
|
|
if (1 in resultList):
|
|
self.result.rst = ResultStatus.NG
|
|
elif (2 in resultList):
|
|
self.result.rst = ResultStatus.WARNING
|
|
else:
|
|
self.result.rst = ResultStatus.OK
|
|
self.result.val = ""
|
|
for info in informationlist:
|
|
self.result.val = self.result.val + '%s\n' % info
|
|
|
|
def delSysctlForList(self, key, value):
|
|
"""
|
|
"""
|
|
kernelParameterFile = "/etc/sysctl.conf"
|
|
cmd = """sed -i '/^\\s*%s *=.*$/d' %s """ % (key, kernelParameterFile)
|
|
(status, output) = subprocess.getstatusoutput(cmd)
|
|
if (status != 0):
|
|
raise Exception(ErrorCode.GAUSS_530["GAUSS_53019"] % (key, value))
|
|
|
|
def doSet(self):
|
|
for checkResult in self.result.val.split('\n'):
|
|
if (checkResult.startswith("Abnormal reason")):
|
|
checkResultList = checkResult.split('\'')
|
|
setParameterList[checkResultList[1]] = checkResultList[5]
|
|
self.result.val = ""
|
|
|
|
if (len(setParameterList) != 0):
|
|
for key in setParameterList:
|
|
self.SetSysctlForList(key, setParameterList[key])
|
|
self.result.val += "Set variable '%s' to '%s'\n" % (
|
|
key, setParameterList[key])
|
|
cmd = "sysctl -p"
|
|
(status, output) = subprocess.getstatusoutput(cmd)
|
|
if (status != 0):
|
|
cmderrorinfo = "sysctl -p | grep 'No such file or directory'"
|
|
(status, outputresult) = subprocess.getstatusoutput(
|
|
cmderrorinfo)
|
|
if (status != 0 and outputresult == ""):
|
|
raise Exception(output)
|
|
for key in setParameterList:
|
|
tmp = "/proc/sys/%s" % key.replace('.', '/')
|
|
if (tmp in outputresult or key in outputresult):
|
|
# delete the record about key from the /etc/sysctl.conf
|
|
self.delSysctlForList(key, setParameterList[key])
|