checks/hyperv_vms

   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 # <<<hyperv_vms>>>
  29 # DMZ-DC1                         Running 4.21:44:58          Operating normally
  30 # DMZ-DC2                         Running 4.21:44:47          Operating normally
  31
  32 # Another example, here with a snapshow with spaces in the name:
  33 # <<<hyperv_vms>>>
  34 # windows-hyperv2-z4058044                              Running 21:33:08   Operating normally
  35 # windows-hyperv2-z4058044_snap (23.05.2014 - 09:29:29) Running 18:20:34   Operating normally
  36 # windows-hyperv2-z4065002                              Running 11:04:50   Operating normally
  37 # windows-hyperv2-z4065084                              Running 1.10:42:33 Operating normally
  38 # windows-hyperv2-z4133235                              Running 1.03:52:18 Operating normally
  39
  40 # A broken version of the agent outputted this:
  41 # <<<hyperv_vms>>>
  42 # z4058044                        Running 21:19:14            Operating normally
  43 # z4058044_snap (2...             Running 18:06:39            Operating normally
  44 # z4065002                        Running 10:50:55            Operating normally
  45 # z4065084                        Running 1.10:28:39          Operating normally
  46 # z4133235                        Running 1.03:38:23          Operating normally
  47
  48 # A Version with a plugin that uses tab as seperator and quotes the strings:
  49 # <<<hyperv_vms:sep(9)>>>
  50 # "Name"  "State" "Uptime"        "Status"
  51 # "z4058013"      "Running"       "06:05:16"      "Operating normally"
  52 # "z4058020"      "Running"       "01:01:57"      "Operating normally"
  53 # "z4058021"      "Running"       "01:02:11"      "Operating normally"
  54 # "z4065012"      "Running"       "01:02:04"      "Operating normally"
  55 # "z4065013"      "Running"       "07:47:27"      "Operating normally"
  56 # "z4065020"      "Running"       "01:02:09"      "Operating normally"
  57 # "z4065025"      "Running"       "01:02:05"      "Operating normally"
  58 # "z4133199"      "Running"       "00:57:23"      "Operating normally"
  59
  60 # result:
  61 # {
  62 #   "windows-hyperv2-z4058044_snap (23.05.2014 - 09:29:29)" : {
  63 #        "vm_state" : "Running",
  64 #        "uptime" : "1.10:42:33",
  65 #        "state_msg" : "Operating normally",
  66 #    }
  67 # }
  68
  69
  70 def parse_hyperv_vms(info):
  71     parsed = {}
  72     for line in info:
  73         # Remove quotes
  74         line = [x.strip('"') for x in line]
  75         if line[1].endswith("..."):  # broken output
  76             vm_name = line[0]
  77             line = line[2:]
  78         elif line[1].startswith("("):
  79             idx = 2
  80             while idx < len(line):
  81                 if line[idx].endswith(")"):
  82                     vm_name = " ".join(line[:idx + 1])
  83                     break
  84                 idx += 1
  85             line = line[idx + 1:]
  86         else:
  87             vm_name = line[0]
  88             line = line[1:]
  89
  90         if ':' in line[1]:  # skip heading line
  91             parsed[vm_name] = {
  92                 "state": line[0],
  93                 "uptime": line[1],
  94                 "state_msg": " ".join(line[2:]),
  95             }
  96     return parsed
  97
  98
  99 def inventory_hyperv_vms(parsed):
 100     return [(vm_name, {'state': vm["state"]}) for (vm_name, vm) in parsed.items()]
 101
 102
 103 def check_hyperv_vms(item, params, parsed):
 104     if item in parsed:
 105         vm = parsed[item]
 106         if vm["state"] == params['state']:
 107             state = 0
 108             message = "State is %s (%s)" % (vm["state"], vm["state_msg"])
 109         else:
 110             message = "State has changed from %s to %s (%s)" % (
 111                 params['state'],\
 112                 vm["state"],
 113                 vm["state_msg"])
 114             state = 2
 115         return state, message
 116
 117
 118 check_info["hyperv_vms"] = {
 119     "parse_function": parse_hyperv_vms,
 120     "check_function": check_hyperv_vms,
 121     "inventory_function": inventory_hyperv_vms,
 122     "service_description": "VM %s",
 123 }