checks/vms_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 # Example output from agent:
  28 # <<<vms_cpu>>>
  29 # 1 99.17 0.54 0.18 0.00
  30
  31
  32 def parse_vms_cpu(info):
  33     parsed = {}
  34     try:
  35         parsed['num_cpus'] = int(info[0][0])
  36         for i, key in enumerate(('idle', 'user', 'wait_interrupt', 'wait_npsync'), 1):
  37             parsed[key] = float(info[0][i]) / parsed['num_cpus']
  38     except (IndexError, ValueError):
  39         return {}
  40
  41     return parsed
  42
  43
  44 def inventory_vms_cpu(info):
  45     if info:
  46         yield None, {}
  47
  48
  49 def check_vms_cpu(_no_item, params, parsed):
  50     # ancient tuple rule
  51     # and legacy default None prior to 1.6
  52     params = transform_cpu_iowait(params)
  53
  54     user = parsed["user"]
  55     wait = parsed["wait_interrupt"] + parsed["wait_npsync"]
  56     util = 100. - parsed["idle"]
  57     system = util - user - wait
  58
  59     yield check_levels(user, "user", None, '%')
  60     yield check_levels(system, "system", None, '%')
  61     yield check_levels(wait, "wait", params.get("iowait"), '%')
  62
  63     for util_result in check_cpu_util(util, params):
  64         yield util_result
  65
  66     num_cpus = parsed['num_cpus']
  67     unit = "CPU" if num_cpus == 1 else "CPUs"
  68     yield check_levels(
  69         num_cpus, 'cpu_entitlement', None, unit=unit, infoname="100% corresponding to")
  70
  71
  72 check_info['vms_cpu'] = {
  73     "parse_function": parse_vms_cpu,
  74     "check_function": check_vms_cpu,
  75     "inventory_function": inventory_vms_cpu,
  76     "service_description": "CPU utilization",
  77     "has_perfdata": True,
  78     "group": "cpu_iowait",
  79     "includes": ["transforms.include", "cpu_util.include"],
  80 }