checks/statgrab_mem

   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
  28 memused_default_levels = (150.0, 200.0)
  29
  30
  31 def parse_statgrab_mem(info):
  32     parsed = {}
  33     for var, value in info:
  34         try:
  35             parsed.setdefault(var, int(value) / 1024)
  36         except ValueError:
  37             pass
  38
  39     try:
  40         totalmem_kb = parsed['mem.total']
  41         memused_kb = parsed['mem.used']
  42         totalswap_kb = parsed['swap.total']
  43         swapused_kb = parsed['swap.used']
  44         instance = {
  45             "MemTotal"  : totalmem_kb,
  46             "MemFree"   : totalmem_kb - memused_kb,
  47             "SwapTotal" : totalswap_kb,
  48             "SwapFree"  : totalswap_kb - swapused_kb,
  49         }
  50         if 'mem.cache' in parsed:
  51             instance.setdefault("Cached", parsed['mem.cache'])
  52         return instance
  53
  54     except KeyError:
  55         return {}
  56
  57
  58 def inventory_statgrab_mem(parsed):
  59     if parsed:
  60         return [(None, 'memused_default_levels')]
  61
  62
  63 def check_statgrab_mem(_no_item, params, parsed):
  64     return check_memory(params, parsed)
  65
  66
  67 check_info["statgrab_mem"] = {
  68     'parse_function'      : parse_statgrab_mem,
  69     'inventory_function'  : inventory_statgrab_mem,
  70     'check_function'      : check_statgrab_mem,
  71     'service_description' : 'Memory used',
  72     'has_perfdata'        : True,
  73     'group'               : "memory",
  74     'includes'            : [ "mem.include" ],
  75 }