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Mini Shell
import os
from . import base
from .decorators import *
import tuned.logs
from tuned.plugins import exceptions
from tuned.utils.commands import commands
log = tuned.logs.get()
class SelinuxPlugin(base.Plugin):
"""
Plugin for tuning SELinux options.
"""
@classmethod
def _get_selinux_path(self):
path = "/sys/fs/selinux"
if not os.path.exists(path):
path = "/selinux"
if not os.path.exists(path):
path = None
return path
def __init__(self, *args, **kwargs):
self._cmd = commands()
self._selinux_path = self._get_selinux_path()
if self._selinux_path is None:
raise exceptions.NotSupportedPluginException("SELinux is not enabled on your system or incompatible version is used.")
self._cache_threshold_path = os.path.join(self._selinux_path, "avc", "cache_threshold")
super(SelinuxPlugin, self).__init__(*args, **kwargs)
@classmethod
def _get_config_options(self):
return {
"avc_cache_threshold" : None,
}
def _instance_init(self, instance):
instance._has_static_tuning = True
instance._has_dynamic_tuning = False
def _instance_cleanup(self, instance):
pass
@command_set("avc_cache_threshold")
def _set_avc_cache_threshold(self, value, sim):
if value is None:
return None
threshold = int(value)
if threshold >= 0:
if not sim:
self._cmd.write_to_file(self._cache_threshold_path, threshold)
return threshold
else:
return None
@command_get("avc_cache_threshold")
def _get_avc_cache_threshold(self):
value = self._cmd.read_file(self._cache_threshold_path)
if len(value) > 0:
return int(value)
return None
Zerion Mini Shell 1.0