checks/cisco_cpu

   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 # oid(".1.3.6.1.4.1.9.9.109.1.1.1.1.5.1") is depreceated by
  28 # oid(".1.3.6.1.4.1.9.9.109.1.1.1.1.8.1"), we recognize both for now
  29
  30 cisco_cpu_default_levels = (80.0, 90.0)
  31
  32
  33 def inventory_cisco_cpu(info):
  34     if info and \
  35     (info[0][0].isdigit() or \
  36     info[0][1].isdigit()):
  37         return [(None, 'cisco_cpu_default_levels')]
  38
  39
  40 def check_cisco_cpu(item, params, info):
  41     # Value of info could be (None, None) or ("", "").
  42     if not info[0][0].isdigit() and \
  43        not info[0][1].isdigit():
  44         return 3, 'No information about the CPU utilization available'
  45
  46     if info[0][1]:
  47         util = float(info[0][1])
  48     else:
  49         util = float(info[0][0])
  50
  51     state = 0
  52     infotext = "%.1f%% utilization in the last 5 minutes" % util
  53
  54     warn, crit = params
  55     if util >= crit:
  56         state = 2
  57     elif util >= warn:
  58         state = 1
  59     if state > 0:
  60         infotext += " (warn/crit at %.1f%%/%.1f%%)" % (warn, crit)
  61
  62     return state, infotext, [("util", util, warn, crit, 0, 100)]
  63
  64
  65 check_info["cisco_cpu"] = {
  66     "check_function"        : check_cisco_cpu,
  67     "inventory_function"    : inventory_cisco_cpu,
  68     "service_description"   : "CPU utilization",
  69     "has_perfdata"          : True,
  70     "group"                 : "cpu_utilization",
  71     "snmp_scan_function"    : lambda oid: "cisco" in oid(".1.3.6.1.2.1.1.1.0").lower() \
  72                                  and "nx-os" not in oid(".1.3.6.1.2.1.1.1.0").lower() \
  73                                  and oid(".1.3.6.1.4.1.9.9.109.1.1.1.1.*"),
  74     "snmp_info"             : ( ".1.3.6.1.4.1.9.9.109.1.1.1.1", [ 5, 8 ]),
  75 }