83 lines
3.0 KiB
Python
83 lines
3.0 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 subprocess
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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 base_utils.os.file_util import FileUtil
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class CheckSwapMemory(BaseItem):
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def __init__(self):
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super(CheckSwapMemory, self).__init__(self.__class__.__name__)
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def doCheck(self):
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MemSwap = 0
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self.result.raw = ""
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result_swap = FileUtil.readFile('/proc/meminfo', "SwapTotal")[0]
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self.result.raw += result_swap
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swapInfo = result_swap.strip().split(' ')
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val = int(swapInfo[len(swapInfo) - 2])
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factor = swapInfo[len(swapInfo) - 1]
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if factor == 'kB':
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MemSwap = val * 1024
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elif (factor == ''):
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MemSwap = val
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result_mem = FileUtil.readFile('/proc/meminfo', "MemTotal")[0]
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self.result.raw += "\n%s" % result_mem
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memInfo = result_mem.strip().split()
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val = int(memInfo[len(memInfo) - 2])
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factor = memInfo[len(memInfo) - 1]
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if factor == 'kB':
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MemTotal = val * 1024
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elif (factor == ''):
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MemTotal = val
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if (MemSwap > MemTotal):
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self.result.rst = ResultStatus.NG
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self.result.val = "SwapMemory(%d) must be 0.\nMemTotal: %d." % (
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MemSwap, MemTotal)
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elif (MemSwap != 0):
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self.result.rst = ResultStatus.WARNING
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self.result.val = "SwapMemory(%d) must be 0.\nMemTotal: %d." % (
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MemSwap, MemTotal)
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else:
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self.result.rst = ResultStatus.OK
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self.result.val = "SwapMemory %d\nMemTotal %d." % (
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MemSwap, MemTotal)
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def doSet(self):
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resultStr = ""
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configFile = "/etc/fstab"
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cmd = "swapoff -a"
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(status, output) = subprocess.getstatusoutput(cmd)
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if (status != 0):
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resultStr += "Failed to close swap information.\n Error : %s." \
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% output
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resultStr += "The cmd is %s " % cmd
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cmd = "sed -i '/^.*swap/d' %s" % configFile
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(status, output) = subprocess.getstatusoutput(cmd)
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if (status != 0):
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resultStr += "Failed to modify configuration file.\n Error : %s." \
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% 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 SwapMemory successfully."
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