checks/mongodb_connections

   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 # <<<mongodb_connections>>>
  28 # current 68
  29 # available 51132
  30 # totalCreated 108141
  31
  32 factory_settings["mongodb_connections_default_levels"] = {
  33     'levels_perc': (80.0, 90.0),  # Levels at 80%/90% of maximum
  34 }
  35
  36
  37 def inventory_mongodb_connections(info):
  38     return [("Connections", {})]
  39
  40
  41 def check_mongodb_connections(item, params, info):
  42     info_dict = {x[0]: x[1] for x in info}
  43
  44     current = int(info_dict["current"])
  45     available = int(info_dict["available"])
  46     maximum = current + available
  47     used_perc = current / maximum * 100
  48
  49     state = 0
  50     warn, crit = None, None
  51     extra_info = ""
  52     if "levels_abs" in params:
  53         warn, crit = params["levels_abs"]
  54         if current >= crit:
  55             state = 2
  56         elif current >= warn:
  57             state = 1
  58         if state:
  59             extra_info = " (Levels at %s/%s)" % (warn, crit)
  60     yield state, "Used connections %d%s" % (current, extra_info),\
  61                     [("connections", current, warn, crit, 0, maximum)]
  62
  63     state = 0
  64     extra_info = ""
  65     warn, crit = params["levels_perc"]
  66     if used_perc >= crit:
  67         state = 2
  68     elif used_perc >= warn:
  69         state = 1
  70     if state:
  71         extra_info = " (Levels at %s%%/%s%%)" % (warn, crit)
  72     yield state, "Used percentage %.0f%%%s" % (used_perc, extra_info)
  73
  74     rate = get_rate("total_created", time.time(), int(info_dict["totalCreated"]))
  75     yield 0, "Rate: %s/sec" % rate, [("connections_rate", rate)]
  76
  77
  78 check_info['mongodb_connections'] = {
  79     "service_description": "MongoDB %s",
  80     "check_function": check_mongodb_connections,
  81     "inventory_function": inventory_mongodb_connections,
  82     "default_levels_variable": "mongodb_connections_default_levels",
  83     "group": "db_connections",
  84     "has_perfdata": True,
  85 }