checks/appdynamics_memory

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2015             mk@mathias-kettner.de |
  11 # +------------------------------------------------------------------+
  12 # Written by comNET GmbH, Ringo Hartmann
  13 #
  14 # This file is part of Check_MK.
  15 # The official homepage is at http://mathias-kettner.de/check_mk.
  16 #
  17 # check_mk is free software;  you can redistribute it and/or modify it
  18 # under the  terms of the  GNU General Public License  as published by
  19 # the Free Software Foundation in version 2.  check_mk is  distributed
  20 # in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  21 # out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  22 # PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  23 # tails. You should have  received  a copy of the  GNU  General Public
  24 # License along with GNU Make; see the file  COPYING.  If  not,  write
  25 # to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  26 # Boston, MA 02110-1301 USA.
  27
  28 # <<<appdynamics_memory:sep(124)>>>
  29 # Hans|Non-Heap|Max Available (MB):304|Current Usage (MB):78|Used %:25|Committed (MB):267
  30 # Hans|Heap|Max Available (MB):455|Current Usage (MB):66|Used %:14|Committed (MB):252
  31
  32
  33 def inventory_appdynamics_memory(info):
  34     for line in info:
  35         yield ' '.join(line[0:2]), {}
  36
  37
  38 def check_appdynamics_memory(item, params, info):
  39     for line in info:
  40         if item == ' '.join(line[0:2]):
  41             mb = 1024 * 1024.0
  42
  43             if item.endswith('Non-Heap'):
  44                 mem_type = 'nonheap'
  45             elif item.endswith('Heap'):
  46                 mem_type = 'heap'
  47             else:
  48                 mem_type = ''  # Should not happen...
  49
  50             values = {}
  51             for metric in line[2:]:
  52                 name, value = metric.split(':')
  53                 values[name] = int(value)
  54
  55             used = values.get('Current Usage (MB)', 0) * mb
  56             committed = values.get('Committed (MB)', 0) * mb
  57
  58             try:
  59                 max_available = values['Max Available (MB)'] * mb
  60             except KeyError:
  61                 max_available = -1  # Java 8 has no maximum for Non-Heap
  62
  63             if max_available > 0:
  64                 used_percent = 100.0 * used / max_available
  65
  66                 warn, crit = params.get(mem_type, (None, None))
  67             else:
  68                 warn, crit = (None, None)
  69
  70             if isinstance(crit, float):
  71                 crit_label = '%.2f%%' % crit
  72                 crit = int((max_available / 100) * crit)
  73             elif isinstance(crit, int):
  74                 crit_label = '%d MB free' % (crit)
  75                 crit = max_available - (crit * mb)
  76             else:
  77                 crit_label = ''
  78
  79             if isinstance(warn, float):
  80                 warn_label = '%.2f%%' % warn
  81                 warn = int((max_available / 100) * warn)
  82             elif isinstance(warn, int):
  83                 warn_label = '%d MB free' % (warn)
  84                 warn = max_available - (warn * mb)
  85             else:
  86                 warn_label = ''
  87
  88             state = 0
  89             if crit and used >= crit:
  90                 state = 2
  91             elif warn and used >= warn:
  92                 state = 1
  93
  94             levels_label = ''
  95             if state > 0:
  96                 levels_label = ' (levels at %s/%s)' % (warn_label, crit_label)
  97
  98             if max_available > 0:
  99                 perfdata = [('mem_%s' % mem_type, used, warn, crit, 0, max_available)]
 100                 yield state, 'Used: %s of %s (%.2f%%)%s' % (
 101                     get_bytes_human_readable(used),
 102                     get_bytes_human_readable(max_available),
 103                     used_percent,
 104                     levels_label,
 105                 ), perfdata
 106             else:
 107                 perfdata = [('mem_%s' % mem_type, used)]
 108                 yield state, 'Used: %s' % get_bytes_human_readable(used), perfdata
 109
 110             if max_available > 0:
 111                 perfdata = [('mem_%s_committed' % mem_type, committed, None, None, 0,
 112                              max_available)]
 113             else:
 114                 perfdata = [('mem_%s_committed' % mem_type, committed)]
 115             yield 0, 'Committed: %s' % get_bytes_human_readable(committed), perfdata
 116
 117
 118 check_info['appdynamics_memory'] = {
 119     'inventory_function': inventory_appdynamics_memory,
 120     'check_function': check_appdynamics_memory,
 121     'service_description': 'AppDynamics Memory %s',
 122     'has_perfdata': True,
 123     'group': 'jvm_memory',
 124 }