certmaster/minion/modules/sysctl.py

   1 # Copyright 2008, Red Hat, Inc
   2 # Luke Macken <lmacken@redhat.com>
   3 #
   4 # This software may be freely redistributed under the terms of the GNU
   5 # general public license.
   6 #
   7 # You should have received a copy of the GNU General Public License
   8 # along with this program; if not, write to the Free Software
   9 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  10
  11 import func_module
  12 import sub_process
  13
  14 class SysctlModule(func_module.FuncModule):
  15
  16     version = "0.0.1"
  17     description = "Configure kernel parameters at runtime"
  18
  19     def __run(self, cmd):
  20         cmd = sub_process.Popen(cmd.split(), stdout=sub_process.PIPE,
  21                                 stderr=sub_process.PIPE, shell=False)
  22         return [line for line in cmd.communicate()[0].strip().split('\n')]
  23
  24     def list(self):
  25         return self.__run("/sbin/sysctl -a")
  26
  27     def get(self, name):
  28         return self.__run("/sbin/sysctl -n %s" % name)
  29
  30     def set(self, name, value):
  31         return self.__run("/sbin/sysctl -w %s=%s" % (name, value))