checks/steelhead_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
  28 def inventory_steelhead_connections(info):
  29     if len(info) >= 7:
  30         return [(None, {})]
  31
  32
  33 def check_steelhead_connections(item, params, info):
  34     if params is None:
  35         params = {}
  36
  37     map_counter_types = {
  38         "1": "optimized",
  39         "2": "passthrough",
  40         "3": "halfOpened",
  41         "4": "halfClosed",
  42         "5": "established",
  43         "6": "active",
  44         "7": "total",
  45     }
  46
  47     values = {}
  48     for oid, value in info:
  49         counter_type = oid.strip('.').split('.')[-2]
  50         key = map_counter_types.get(counter_type, "unknown")
  51         values[key] = int(value)
  52
  53     # leave out total and optimized in perfdata since they can be computed
  54     for key, title, has_perf in [
  55         ("total", "Total connections", False),
  56         ("passthrough", "Passthrough", True),
  57         ("optimized", "Optimized", False),
  58         ("active", "Active", True),
  59         ("established", "Established", True),
  60         ("halfOpened", "Half opened", True),
  61         ("halfClosed", "Half closed", True),
  62     ]:
  63         value = values.get(key)
  64         if value is None:
  65             continue
  66
  67         if has_perf:
  68             perfdata = [(key, value)]
  69         else:
  70             perfdata = []
  71
  72         infotext = "%s: %d" % (title, value)
  73         state = 0
  74         if params.get(key):
  75             warn, crit = params[key]
  76             if value >= crit:
  77                 state = 2
  78             elif value >= warn:
  79                 state = 1
  80             if state > 0:
  81                 infotext += " (warn/crit at %d/%d)" % (warn, crit)
  82
  83         yield state, infotext, perfdata
  84
  85
  86 check_info['steelhead_connections'] = {
  87     "inventory_function": inventory_steelhead_connections,
  88     "check_function": check_steelhead_connections,
  89     "service_description": "Connections",
  90     "has_perfdata": True,
  91     "snmp_info": (".1.3.6.1.4.1.17163.1.1.5", [OID_STRING, 2]),
  92     "snmp_scan_function": lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.17163."),
  93     "group": "steelhead_connections",
  94 }