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Name	Size	Permission
CommandLock.py	3.25 KB	-rw-r--r--
CommandLock.pyc	3 KB	-rw-r--r--
CommandLock.pyo	3 KB	-rw-r--r--
Configuration.py	14.12 KB	-rw-r--r--
Configuration.pyc	14.06 KB	-rw-r--r--
Configuration.pyo	13.98 KB	-rw-r--r--
Constants.py	2.75 KB	-rw-r--r--
Constants.pyc	2.68 KB	-rw-r--r--
Constants.pyo	2.68 KB	-rw-r--r--
Defaults.py	16.29 KB	-rw-r--r--
Defaults.pyc	15.59 KB	-rw-r--r--
Defaults.pyo	15.59 KB	-rw-r--r--
ExitStatusMixins.py	4.02 KB	-rw-r--r--
ExitStatusMixins.pyc	3.8 KB	-rw-r--r--
ExitStatusMixins.pyo	3.8 KB	-rw-r--r--
KernelModuleService.py	3.27 KB	-rw-r--r--
KernelModuleService.pyc	3.15 KB	-rw-r--r--
KernelModuleService.pyo	3.15 KB	-rw-r--r--
MgmntLogger.py	1.28 KB	-rw-r--r--
MgmntLogger.pyc	964 B	-rw-r--r--
MgmntLogger.pyo	964 B	-rw-r--r--
MgmntUtils.py	1.47 KB	-rw-r--r--
MgmntUtils.pyc	1.1 KB	-rw-r--r--
MgmntUtils.pyo	1.1 KB	-rw-r--r--
Service.py	5.28 KB	-rw-r--r--
Service.pyc	4.87 KB	-rw-r--r--
Service.pyo	4.87 KB	-rw-r--r--
SizeString.py	5.71 KB	-rw-r--r--
SizeString.pyc	5.56 KB	-rw-r--r--
SizeString.pyo	5.56 KB	-rw-r--r--
Utils.py	3.24 KB	-rw-r--r--
Utils.pyc	3.21 KB	-rw-r--r--
Utils.pyo	3.21 KB	-rw-r--r--
VDOKernelModuleService.py	1.95 KB	-rw-r--r--
VDOKernelModuleService.pyc	1.44 KB	-rw-r--r--
VDOKernelModuleService.pyo	1.44 KB	-rw-r--r--
VDOOperation.py	26.12 KB	-rw-r--r--
VDOOperation.pyc	26.44 KB	-rw-r--r--
VDOOperation.pyo	26.44 KB	-rw-r--r--
VDOService.py	77.27 KB	-rw-r--r--
VDOService.pyc	59.42 KB	-rw-r--r--
VDOService.pyo	59.42 KB	-rw-r--r--
__init__.py	1.58 KB	-rw-r--r--
__init__.pyc	1.18 KB	-rw-r--r--
__init__.pyo	1.18 KB	-rw-r--r--

Code Editor : KernelModuleService.py

#
# Copyright (c) 2018 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. 
#

"""
  KernelModuleService - manages the kvdo kernel module

$Id: //eng/vdo-releases/magnesium/src/python/vdo/vdomgmnt/KernelModuleService.py#3 $

"""
from . import Defaults, Service
from utils import Command, CommandError, runCommand
import string
import yaml

class KernelModuleService(Service):
  """KernelModuleService manages a kernel module on the local node."""
  ######################################################################
  # Public methods
  ######################################################################
  def running(self, wait=True):
    """Returns True if the module is loaded and DM target is available."""
    retries = 20 if wait else 1
    try:
      runCommand(string.split("lsmod | grep -q '" + self._name + "'"),
                 shell=True, retries=retries)
      runCommand(string.split("dmsetup targets | grep -q " 
                              + Defaults.vdoTargetName),
                 shell=True, retries=retries)
      return True
    except CommandError:
      return False

######################################################################
  def start(self):
    """Loads the module if necessary."""
    runCommand(['modprobe', self._name])

######################################################################
  def status(self):
    """Returns a dictionary representing the status of this object.
    """
    return { _("Name") : self._name,
             _("Loaded") : self.running(False),
             _("Version information") : yaml.safe_load(self.version()) }

######################################################################
  def stop(self):
    """Removes the module."""
    runCommand(['modprobe', '-r', self._name])

######################################################################
  def version(self):
    """Returns the module version as a string."""
    s = self._name + " "
    for line in runCommand(['modinfo', self._name], noThrow=True).splitlines():
      if line.find('version') == 0:
        s += line
    return s

######################################################################
  # Overridden methods
  ######################################################################
  def __init__(self, name):
    super(KernelModuleService, self).__init__(name)

######################################################################
  # Protected methods
  ######################################################################
  def _reprAttribute(self, key):
    """KernelModuleService does not exclude any of its __dict__ contents
       from its __repr__ result.
    """
    return True

${this.title}

Code Editor : KernelModuleService.py