65 lines
2.0 KiB
Python
Executable File
65 lines
2.0 KiB
Python
Executable File
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# Copyright (c) 2019 Huawei Technologies Co., Ltd.
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# A-Tune is licensed under the Mulan PSL v1.
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# You can use this software according to the terms and conditions of the Mulan PSL v1.
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# You may obtain a copy of Mulan PSL v1 at:
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# http://license.coscl.org.cn/MulanPSL
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# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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# PURPOSE.
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# See the Mulan PSL v1 for more details.
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# Create: 2019-10-29
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"""
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The sub class of the Configurator, used to change the /proc/sys/* config.
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"""
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import sys
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import logging
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import subprocess
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import re
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if __name__ == "__main__":
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sys.path.insert(0, "./../../")
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from configurator.common import *
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logger = logging.getLogger(__name__)
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class Sysctl(Configurator):
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"""To change the /proc/sys/* config"""
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_module = "SYSCTL"
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_submod = "SYSCTL"
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def __init__(self, user=None):
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Configurator.__init__(self, user)
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self.__cmd = "sysctl"
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def _get(self, key):
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with open('/dev/null', 'w') as no_print:
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output = subprocess.check_output("{cmd} -n {key}".format(
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cmd=self.__cmd, key=key).split(),
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stderr=no_print)
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return output.decode()
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def _set(self, key, value):
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with open('/dev/null', 'w') as no_print:
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return subprocess.call('{cmd} -w {key}="{val}"'.format(
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cmd=self.__cmd, key=key, val=value), shell=True,
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stdout=no_print, stderr=no_print)
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def _check(self, config1, config2):
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config1 = re.sub("\s{1,}", " ", config1)
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config2 = re.sub("\s{1,}", " ", config2)
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return config1 == config2
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if __name__ == "__main__":
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if len(sys.argv) != 2:
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print('usage: ' + sys.argv[0] + ' key=value')
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sys.exit(-1)
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ct = Sysctl("UT")
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print(ct.set(sys.argv[1]))
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print(ct.get(ct._getcfg(sys.argv[1])[0]))
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