checks/genua_state_correlation

   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 # Example Agent Output:
  28 # GENUA-MIB:
  29
  30 # .1.3.6.1.4.1.3137.2.1.2.1.1.9 = INTEGER: 9
  31 # .1.3.6.1.4.1.3137.2.1.2.1.1.10 = INTEGER: 10
  32 # .1.3.6.1.4.1.3137.2.1.2.1.2.9 = STRING: "carp0"
  33 # .1.3.6.1.4.1.3137.2.1.2.1.2.10 = STRING: "carp1"
  34 # .1.3.6.1.4.1.3137.2.1.2.1.3.9 = INTEGER: 5
  35 # .1.3.6.1.4.1.3137.2.1.2.1.3.10 = INTEGER: 5
  36 # .1.3.6.1.4.1.3137.2.1.2.1.4.9 = INTEGER: 2
  37 # .1.3.6.1.4.1.3137.2.1.2.1.4.10 = INTEGER: 2
  38 # .1.3.6.1.4.1.3137.2.1.2.1.7.9 = INTEGER: 2
  39 # .1.3.6.1.4.1.3137.2.1.2.1.7.10 = INTEGER: 2
  40
  41
  42 def inventory_genua_state(info):
  43     # remove empty elements due to two alternative enterprise ids in snmp_info
  44     info = filter(None, info)
  45     if info[0]:
  46         numifs = 0
  47         for _ifIndex, _ifName, _ifType, _ifLinkState, ifCarpState in info[0]:
  48             if ifCarpState in ["0", "1", "2"]:
  49                 numifs += 1
  50         # inventorize only if we find at least two carp interfaces
  51         if numifs > 1:
  52             return [(None, None)]
  53     return None
  54
  55
  56 def genua_state_str(st):
  57     names = {
  58         '0': 'init',
  59         '1': 'backup',
  60         '2': 'master',
  61     }
  62     return names.get(st, st)
  63
  64
  65 def check_genua_state(item, _no_params, info):
  66
  67     # remove empty elements due to two alternative enterprise ids in snmp_info
  68     info = filter(None, info)
  69     if not info[0]:
  70         return (3, "Invalid Output from Agent")
  71
  72     state = 0
  73     carp_info = []
  74
  75     for ifIndex, ifName, ifType, ifLinkState, ifCarpState in info[0]:
  76         if ifType == "6":
  77             carp_info.append((ifIndex, ifName, ifType, ifLinkState, ifCarpState))
  78
  79     # critical if the carp interfaces dont have the same state
  80     carp_states = [0, 0, 0]
  81     for i, elem in enumerate(carp_info):
  82         carp_states[int(elem[4])] += 1
  83         if carp_info[0][4] != elem[4]:
  84             state = 2
  85
  86     output = "Number of carp IFs in states "
  87     for i in ('0', '1', '2'):
  88         output += genua_state_str(i)
  89         output += ":%d " % carp_states[int(i)]
  90
  91     return (state, output)
  92
  93
  94 check_info['genua_state_correlation'] = {
  95     "inventory_function": inventory_genua_state,
  96     "check_function": check_genua_state,
  97     "service_description": "Carp Correlation",
  98     "snmp_info": [
  99         (
 100             ".1.3.6.1.4.1.3717.2.1.2",
 101             [
 102                 "1.1",  # "ifIndex"
 103                 "1.2",  # "ifName"
 104                 "1.3",  # "ifType"
 105                 "1.4",  # "ifLinkState"
 106                 "1.7",  # "ifCarpState"
 107             ]),
 108         (
 109             ".1.3.6.1.4.1.3137.2.1.2",
 110             [
 111                 "1.1",  # "ifIndex"
 112                 "1.2",  # "ifName"
 113                 "1.3",  # "ifType"
 114                 "1.4",  # "ifLinkState"
 115                 "1.7",  # "ifCarpState"
 116             ])
 117     ],
 118     "snmp_scan_function": scan_genua,
 119     "includes": ["genua.include"],
 120 }