checks/esx_vsphere_sensors

   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 # Note: Sometimes the esx_vsphere_sensors check reports incorrect sensor data.
  28 # The reason is that the data is cached on the esx system. In the worst case some sensors
  29 # might get stuck in an unhealthy state. You can find more information under the following link:
  30 # http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&externalId=1037330
  31
  32 # <<<esx_vsphere_sensors:sep(59)>>>
  33 # VMware Rollup Health State;;0;system;0;;red;Red;Sensor is operating under critical conditions
  34 # Power Domain 1 Power Unit 0 - Redundancy lost;;0;power;0;;yellow;Yellow;Sensor is operating under conditions that are non-critical
  35 # Power Supply 2 Power Supply 2 0: Power Supply AC lost - Assert;;0;power;0;;red;Red;Sensor is operating under critical conditions
  36
  37
  38 def inventory_esx_vsphere_sensors(info):
  39     yield None, []
  40
  41
  42 def check_esx_vsphere_sensors(_no_item, params, info):
  43
  44     mulitline = ["All sensors are in normal state", "Sensors operating normal are:"]
  45     mod_msg = " (Alert state has been modified by Check_MK rule)"
  46
  47     for name, _base_units, _current_reading, _sensor_type, _unit_modifier, \
  48         _rate_units, health_key, health_label, health_summary in info:
  49
  50         sensor_state = {"green": 0, "yellow": 1, "red": 2, "unknown": 3}.get(health_key.lower(), 2)
  51         txt = "%s: %s (%s)" % (name, health_label, health_summary)
  52
  53         for entry in params:
  54             if name.startswith(entry.get("name", "")):
  55                 new_state = entry.get("states", {}).get(str(sensor_state))
  56                 if new_state is not None:
  57                     sensor_state = new_state
  58                     txt += mod_msg
  59                     break
  60         if sensor_state > 0 or txt.endswith(mod_msg):
  61             yield sensor_state, txt
  62             mulitline[:2] = "", "At least one sensor reported. Sensors readings are:"
  63         mulitline.append(txt)
  64
  65     yield 0, '\n'.join(mulitline)
  66
  67
  68 check_info['esx_vsphere_sensors'] = {
  69     "inventory_function": inventory_esx_vsphere_sensors,
  70     "check_function": check_esx_vsphere_sensors,
  71     "service_description": "Hardware Sensors",
  72     "group": "hostsystem_sensors"
  73 }