certmaster/minion/modules/mount.py

   1 ##
   2 ## Mount manager
   3 ##
   4 ## Copyright 2007, Red Hat, Inc
   5 ## John Eckersberg <jeckersb@redhat.com>
   6 ##
   7 ## This software may be freely redistributed under the terms of the GNU
   8 ## general public license.
   9 ##
  10 ## You should have received a copy of the GNU General Public License
  11 ## along with this program; if not, write to the Free Software
  12 ## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  13 ##
  14
  15 import sub_process, os
  16 import func_module
  17
  18
  19 class MountModule(func_module.FuncModule):
  20
  21     version = "0.0.1"
  22     api_version = "0.0.1"
  23     description = "Mounting, unmounting and getting information on mounted filesystems."
  24
  25     def list(self):
  26         cmd = sub_process.Popen(["/bin/cat", "/proc/mounts"], executable="/bin/cat", stdout=sub_process.PIPE, shell=False)
  27         data = cmd.communicate()[0]
  28
  29         mounts = []
  30         lines = [l for l in data.split("\n") if l] #why must you append blank crap?
  31
  32         for line in lines:
  33             curmount = {}
  34             tokens = line.split()
  35             curmount['device'] = tokens[0]
  36             curmount['dir'] = tokens[1]
  37             curmount['type'] = tokens[2]
  38             curmount['options'] = tokens[3]
  39             mounts.append(curmount)
  40
  41         return mounts
  42
  43     def mount(self, device, dir, type="auto", options=None, createdir=False):
  44         cmdline = ["/bin/mount", "-t", type]
  45         if options:
  46             cmdline.append("-o")
  47             cmdline.append(options)
  48         cmdline.append(device)
  49         cmdline.append(dir)
  50         if createdir:
  51             try:
  52                 os.makedirs(dir)
  53             except:
  54                 return False
  55         cmd = sub_process.Popen(cmdline, executable="/bin/mount", stdout=sub_process.PIPE, shell=False)
  56         if cmd.wait() == 0:
  57             return True
  58         else:
  59             return False
  60
  61     def umount(self, dir, killall=False, force=False, lazy=False):
  62         # succeed if its not mounted
  63         if not os.path.ismount(dir):
  64             return True
  65
  66         if killall:
  67             cmd = sub_process.Popen(["/sbin/fuser", "-mk", dir], executable="/sbin/fuser", stdout=sub_process.PIPE, shell=False)
  68             cmd.wait()
  69
  70         cmdline = ["/bin/umount"]
  71         if force:
  72             cmdline.append("-f")
  73         if lazy:
  74             cmdline.append("-l")
  75         cmdline.append(dir)
  76
  77         cmd = sub_process.Popen(cmdline, executable="/bin/umount", stdout=sub_process.PIPE, shell=False)
  78         if cmd.wait() == 0:
  79             return True
  80         else:
  81             return False
  82
  83     def inventory(self, flatten=True):
  84         return self.list()