checks/casa_cpu_util

   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 parse_casa_info_util(info):
  29     entity_names = {int(k): v for k, v in (x for x in info[0])}
  30     data = {}
  31     for entry in info[1]:
  32         entry_nr = int(entry[0])
  33         name = entity_names[entry_nr]  # e.g. "Module 1 QEM".
  34         # Drop "QEM" in order to be consistent with other DTCS checks...
  35         if name.startswith("Module "):
  36             name = name.rsplit(None, 1)[0]
  37         data[name] = {
  38             "cpu_util": entry[1],
  39         }
  40     return data
  41
  42
  43 def inventory_casa_cpu_util(info):
  44     data = parse_casa_info_util(info)
  45     inventory = []
  46     for key, value in data.items():
  47         if value.get("cpu_util"):
  48             inventory.append((key, {}))
  49     return inventory
  50
  51
  52 def check_casa_cpu_util(item, params, info):
  53     data = parse_casa_info_util(info)
  54     if item in data:
  55         state = 0
  56         value = int(data[item]["cpu_util"])
  57         levels_text = ""
  58         error_text = ""
  59         warn, crit = None, None
  60         if "levels" in params:
  61             warn, crit = params["levels"]
  62             levels_text = "(warn/crit at %s%%/%s%%)" % (warn, crit)
  63             if value > crit:
  64                 state = 2
  65             elif value > warn:
  66                 state = 1
  67             else:
  68                 levels_text = ""
  69         infotext = "%d%% %s%s" % (value, error_text, levels_text)
  70         perfdata = [("util", value, warn, crit, 0, 100)]
  71         return (state, infotext, perfdata)
  72     else:
  73         return 3, "%s not found in SNMP output" % item
  74
  75
  76 check_info["casa_cpu_util"] = {
  77     "check_function": check_casa_cpu_util,
  78     "inventory_function": inventory_casa_cpu_util,
  79     "service_description": "CPU utilization %s",
  80     "has_perfdata": True,
  81     "group": "cpu_utilization_multiitem",
  82     "snmp_scan_function": lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.20858.2."),
  83     "snmp_info": [
  84         (".1.3.6.1.2.1.47.1.1.1.1.2", [OID_END, '']),  # Entity descriptions, quite long...
  85         (".1.3.6.1.4.1.20858.10.13.1.1.1.4", [OID_END, '']),  # CPU utilization
  86     ]
  87 }