109 lines
4.0 KiB
Python
109 lines
4.0 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 os
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from gspylib.common.Common import DefaultValue
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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.os.gsOSlib import g_OSlib
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from gspylib.os.gsfile import g_file
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class CheckMaxHandle(BaseItem):
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def __init__(self):
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super(CheckMaxHandle, self).__init__(self.__class__.__name__)
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def doCheck(self):
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flag = True
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parRes = ""
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# Determine if it is an ELK environment
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elk_env = DefaultValue.getEnv("ELK_SYSTEM_TABLESPACE")
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if (elk_env):
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expand_value = 640000
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else:
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expand_value = 1000000
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# Check system open files parameter
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output = g_OSlib.getUserLimits('open files')
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self.result.raw = output
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if (output != ""):
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self.result.val += output + "\n"
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resList = output.split(' ')
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limitValue = resList[-1].strip()
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# Unlimited check is passed
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if limitValue == 'unlimited':
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pass
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# Open file parameter value is less than 640000 will not pass
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if int(limitValue) < int(expand_value):
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flag = False
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else:
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pass
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# Write check results
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parRes += "Max open files: %s\n" % limitValue
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else:
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#
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flag = False
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parRes += "Failed to get system open files parameter.\n"
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# Check cluster process open files parameter
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if (self.cluster):
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pidList = g_OSlib.getProcess(
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os.path.join(self.cluster.appPath, 'bin/gaussdb'))
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for pid in pidList:
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if (not os.path.isfile(
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"/proc/%s/limits" % pid) or not os.access(
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"/proc/%s/limits" % pid, os.R_OK)):
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continue
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openFileInfo = \
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g_file.readFile('/proc/%s/limits' % pid, 'Max open files')[
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0]
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if (openFileInfo):
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value = openFileInfo.split()[3]
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if (int(value.strip()) < expand_value):
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flag = False
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parRes += "The value of " \
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"max open files is %s on pid %s. " \
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"it must not be less than %d.\n" % (
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value.strip(), pid, expand_value)
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if (flag):
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self.result.rst = ResultStatus.OK
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else:
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self.result.rst = ResultStatus.NG
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self.result.val = parRes
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def doSet(self):
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self.result.val = ""
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self.result.raw = ""
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limitPath = '/etc/security/limits.d/'
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if (os.path.isfile(os.path.join(limitPath, '91-nofile.conf'))):
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limitFile = '91-nofile.conf'
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else:
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limitFile = '90-nofile.conf'
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elk_env = DefaultValue.getEnv("ELK_SYSTEM_TABLESPACE")
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if (elk_env):
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expand_value = 640000
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else:
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expand_value = 1000000
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errMsg = SharedFuncs.SetLimitsConf(["soft", "hard"], "nofile",
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expand_value,
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os.path.join(limitPath, limitFile))
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if errMsg != "Success":
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self.result.val = "%s\n" % errMsg
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else:
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self.result.val = "Success to set openfile to %d\n" % expand_value
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