checks/network_fs.include

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
  11 # +------------------------------------------------------------------+
  12 #
  13 # This file is part of Check_MK.
  14 # The official homepage is at http://mathias-kettner.de/check_mk.
  15 #
  16 # check_mk is free software;  you can redistribute it and/or modify it
  17 # under the  terms of the  GNU General Public License  as published by
  18 # the Free Software Foundation in version 2.  check_mk is  distributed
  19 # in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  20 # out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  21 # PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  22 # tails. You should have  received  a copy of the  GNU  General Public
  23 # License along with GNU Make; see the file  COPYING.  If  not,  write
  24 # to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  25 # Boston, MA 02110-1301 USA.
  26
  27 # <<<...mounts>>>
  28 # /foobar hanging 0 0 0 0
  29 # /with spaces ok 217492 123563 112515 524288
  30 # /with spaces Permission denied
  31
  32
  33 def parse_network_fs_mounts(info):
  34     parsed = {}
  35     for line in info:
  36         if " ".join(line[-2:]) == "Permission denied":
  37             parsed.setdefault(" ".join(line[:-2]), {"state": "Permission denied"})
  38
  39         else:
  40             parsed.setdefault(" ".join(line[:-5]), {
  41                 "state": line[-5],
  42                 "data": line[-4:],
  43             })
  44
  45     return parsed
  46
  47
  48 def inventory_network_fs_mounts(parsed):
  49     for mp in parsed:
  50         yield mp, {}
  51
  52
  53 def check_network_fs_mounts(item, params, parsed):
  54     attrs = parsed.get(item)
  55     if not attrs:
  56         return 3, "%s not mounted" % item
  57
  58     state = attrs["state"]
  59     if state == "Permission denied":
  60         return 2, "Permission denied"
  61     elif state == "hanging":
  62         return 2, "Server not responding"
  63     elif state != 'ok':
  64         return 2, "Unknown state"
  65
  66     data = attrs["data"]
  67     if data == ['-', '-', '-', '-']:
  68         return 0, "Mount seems OK"
  69     size_blocks, _, free_blocks, blocksize = map(int, data)
  70
  71     if size_blocks <= 0 or free_blocks < 0 or blocksize > 1024 * 1024:
  72         return 2, "Stale fs handle"
  73
  74     size_bytes = size_blocks * blocksize
  75     free_bytes = free_blocks * blocksize
  76     used_bytes = size_bytes - free_bytes
  77     used_perc = 100.0 * used_bytes / size_bytes
  78
  79     perfdata = None
  80     if params is not None and params.get("has_perfdata"):
  81         perfdata = [("fs_size", size_bytes), ("fs_used", used_bytes)]
  82
  83     infotext = "%.1f%% used (%s of %s)" % (used_perc, get_bytes_human_readable(used_bytes),
  84                                            get_bytes_human_readable(size_bytes))
  85     return 0, infotext, perfdata