checks/lnx_thermal

   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 # <<<lnx_thermal>>>
  28 # thermal_zone0 enabled acpitz 57000 127000 critical
  29 # thermal_zone1 enabled acpitz 65000 100000 critical 95500 passive
  30
  31 # <<<lnx_thermal>>>
  32 # thermal_zone0 enabled acpitz 47000 90000 critical 79000 passive
  33
  34 # <<<lnx_thermal>>>
  35 # thermal_zone0 enabled acpitz 38000 98000 critical
  36 # thermal_zone1 pkg-temp-0  44000 0 passive 0 passive
  37
  38 factory_settings["lnx_thermal_default_levels"] = {
  39     "levels": (70.0, 80.0),
  40     "device_levels_handling": "devdefault",
  41 }
  42
  43
  44 def parse_lnx_thermal(info):
  45     """
  46     Supported format:
  47     - Temperature is either the 3rd or 4th element in an info row.
  48     - After temperature follows pairwise trip point temperature and trip point type.
  49     - Considered trip points are critical, passive, hot.
  50     - A known, not considered trip point is active.
  51     - In case trip point values are 0 or negative (known default values) they are ignored.
  52     """
  53     if not info:
  54         return {}
  55     parsed = {}
  56     for line in info:
  57         zone_identifier = 0
  58         temperature_3rd_element_idx = 2
  59         temperature_4th_element_idx = 3
  60         temperature_factor = 1000.0
  61         zone_raw = line[zone_identifier]
  62         try:
  63             int(line[temperature_3rd_element_idx])  # may raise an exception
  64             temperature = int(line[temperature_3rd_element_idx]) / temperature_factor
  65             trip_points = dict(zip(line[4::2], [int(x) / temperature_factor for x in line[3::2]]))
  66         except ValueError:
  67             temperature = int(line[temperature_4th_element_idx]) / temperature_factor
  68             trip_points = dict(zip(line[5::2], [int(x) / temperature_factor for x in line[4::2]]))
  69         zone_formatted = zone_raw.replace('thermal_zone', 'Zone ')
  70         parsed[zone_formatted] = {}
  71         temperature_and_trip_points = ('temperature', 'passive', 'critical', 'hot')
  72         for key in temperature_and_trip_points:
  73             parsed[zone_formatted].setdefault(key, None)
  74         parsed[zone_formatted]['temperature'] = temperature
  75         for tp_name, tp_value in trip_points.items():
  76             if tp_name in trip_points and tp_value > 0:
  77                 parsed[zone_formatted][tp_name] = tp_value
  78             else:
  79                 # ignore trip point types not supported yet
  80                 pass
  81     return parsed
  82
  83
  84 def inventory_lnx_thermal(parsed):
  85     for item in parsed.keys():
  86         yield item, {}
  87
  88
  89 def check_lnx_thermal(item, params, parsed):
  90     """
  91     - Trip points hot and critical are considered for the device crit level. In case both trip
  92       points are given the lower value is considered for the device crit level.
  93     - Trip point passive is considered for the device warn level.
  94     - In case both hot and critical trip points are given the lower trip point value
  95       is considered for the device crit level.
  96     - Trip point temperatures are provided via performance data.
  97     """
  98     temperature = parsed.get(item).get('temperature')
  99     warn_level = parsed.get(item).get('passive')
 100     hot_value = parsed.get(item).get('hot')
 101     critical_value = parsed.get(item).get('critical')
 102
 103     if not temperature:
 104         return 3, "Item not found or invalid agent data."
 105
 106     if hot_value and critical_value:
 107         crit_level = min(hot_value, critical_value)
 108     else:
 109         crit_level = hot_value or critical_value
 110
 111     if not crit_level or not warn_level:
 112         crit_level = crit_level or warn_level
 113         warn_level = warn_level or crit_level
 114
 115     if warn_level and crit_level:
 116         levels = (warn_level, crit_level)
 117     else:
 118         levels = None
 119
 120     return check_temperature(temperature, params, "lnx_thermal_%s" % item, dev_levels=levels)
 121
 122
 123 check_info['lnx_thermal'] = {
 124     "parse_function": parse_lnx_thermal,
 125     "inventory_function": inventory_lnx_thermal,
 126     "check_function": check_lnx_thermal,
 127     "service_description": "Temperature %s",
 128     "has_perfdata": True,
 129     "group": "temperature",
 130     "default_levels_variable": "lnx_thermal_default_levels",
 131     "includes": ["temperature.include"],
 132 }