checks/esx_vsphere_objects

   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 # <<<esx_vsphere_objects:sep(9)>>>
  29 # hostsystem  esx.wacker.corp
  30 # virtualmachine  LinuxI
  31 # virtualmachine  OpenSUSE_II
  32 # virtualmachine  OpenSUSE_III
  33 # virtualmachine  OpenSUSE_IV
  34 # virtualmachine  OpenSUSE_V
  35 # virtualmachine  WindowsXP I
  36 # virtualmachine  LinuxII
  37 # virtualmachine  LinuxIII
  38 # virtualmachine  LinuxIV
  39 # virtualmachine  LinuxV
  40 # virtualmachine  OpenSUSE_I
  41
  42 vsphere_object_names = {
  43     "hostsystem": "HostSystem",
  44     "virtualmachine": "VM",
  45 }
  46
  47 factory_settings["esx_vsphere_objects_default_levels"] = {
  48     "states": {
  49         "poweredOn": 0,
  50         "poweredOff": 1,
  51         "suspended": 1,
  52         "unknown": 3,
  53     }
  54 }
  55
  56
  57 def parse_esx_vsphere_objects(info):
  58     parsed = {}
  59     Obj = collections.namedtuple("EsxObj", ["name", "hostsystem", "state"])
  60     for line in info:
  61         if len(line) < 2:
  62             continue
  63         if len(line) < 4:
  64             line += [''] * (4 - len(line))
  65         obj_type = vsphere_object_names.get(line[0], "Unknown Object")
  66         name = "%s %s" % (obj_type, line[1])
  67         obj = Obj(name, line[2], line[3])
  68         parsed[obj.name] = obj
  69
  70     return parsed
  71
  72
  73 #   .--Single--------------------------------------------------------------.
  74 #   |                     ____  _             _                            |
  75 #   |                    / ___|(_)_ __   __ _| | ___                       |
  76 #   |                    \___ \| | '_ \ / _` | |/ _ \                      |
  77 #   |                     ___) | | | | | (_| | |  __/                      |
  78 #   |                    |____/|_|_| |_|\__, |_|\___|                      |
  79 #   |                                   |___/                              |
  80 #   '----------------------------------------------------------------------'
  81
  82
  83 def inventory_esx_vsphere_objects(parsed):
  84     for key in parsed:
  85         yield key, {}
  86
  87
  88 def check_esx_vsphere_objects(item, params, parsed):
  89     if params is None:
  90         params = {}
  91
  92     obj = parsed.get(item)
  93     if obj is None:
  94         yield 3, "Missing item: %s" % item
  95         return
  96
  97     if not obj.state:
  98         what, name = item.split()
  99         if what == "VM":
 100             yield 3, "Virtual machine %s is missing" % name
 101         else:
 102             yield 3, "No data about host system %s" % name
 103         return
 104
 105     state = params.get("states", {}).get(obj.state, 3)
 106     yield state, "power state: %s" % obj.state
 107
 108     if obj.hostsystem:
 109         if obj.state == "poweredOn":
 110             yield 0, 'running on [%s]' % obj.hostsystem
 111         else:
 112             yield 0, 'defined on [%s]' % obj.hostsystem
 113
 114
 115 check_info['esx_vsphere_objects'] = {
 116     "parse_function": parse_esx_vsphere_objects,
 117     "inventory_function": inventory_esx_vsphere_objects,
 118     "check_function": check_esx_vsphere_objects,
 119     "service_description": "%s",
 120     "group": "esx_vsphere_objects",
 121     "default_levels_variable": "esx_vsphere_objects_default_levels",
 122 }
 123
 124
 125 def inventory_esx_vsphere_objects_count(parsed):
 126     yield None, {}
 127
 128
 129 def check_esx_vsphere_objects_count(_no_item, params, parsed):
 130     if params is None:
 131         params = {}
 132
 133     virtualmachines = [o for o in parsed.itervalues() if o.name.startswith("VM ")]
 134     yield 0, "Virtualmachines: %d" % len(virtualmachines), [('vms', len(virtualmachines))]
 135
 136     hostsystems = [o for o in parsed.itervalues() if o.name.startswith("HostSystem")]
 137     if not hostsystems:
 138         return
 139
 140     yield 0, "Hostsystems: %d" % len(hostsystems), [('hosts', len(hostsystems))]
 141
 142     for distribution in params.get("distribution", []):
 143         ruled_vms = distribution.get("vm_names", [])
 144         hosts = set(vm.hostsystem for vm in virtualmachines if vm.name[3:] in ruled_vms)
 145         count = len(hosts)
 146         hosts = sorted(hosts)
 147         if count < distribution["hosts_count"]:
 148             yield distribution.get(
 149                 "state",
 150                 2), ("VMs %s are running on %d host%s: %s" %
 151                      (', '.join(ruled_vms), count, '' if count == 1 else 's', ', '.join(hosts)))
 152
 153
 154 check_info['esx_vsphere_objects.count'] = {
 155     "inventory_function": inventory_esx_vsphere_objects_count,
 156     "check_function": check_esx_vsphere_objects_count,
 157     "service_description": "Object count",
 158     "has_perfdata": True,
 159     "group": "esx_vsphere_objects_count",
 160 }