checks/aix_multipath

   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:
  28 #<<<aix_multipath>>>
  29 #<<<aix_multipath>>>
  30 #hdisk0 vscsi0 Available Enabled
  31 #hdisk1 vscsi0 Available Enabled
  32 #hdisk2 vscsi0 Available Enabled
  33
  34
  35 def inventory_aix_multipath(info):
  36     disks = {}
  37     for disk, _controller, _status in info:
  38         # filtering here to only see disks. there are other multipath devices,
  39         # too, but those have incomplete status => false positives
  40         if disk.startswith("hdisk"):
  41             disks[disk] = disks.get(disk, 0) + 1
  42     return [(disk, {'paths': p}) for disk, p in disks.iteritems()]
  43
  44
  45 def check_aix_multipath(item, params, info):
  46     path_count = 0
  47     state = 0
  48     message = []
  49     state_count = 0
  50
  51     #Collecting all paths and there states
  52     for disk, _controller, status in info:
  53         if disk == item:
  54             path_count += 1
  55             if status != 'Enabled':
  56                 state_count += 1
  57
  58     #How many Paths are not enabled
  59     if state_count != 0 and (100 / path_count * state_count) < 50:
  60         state = 1
  61         message.append('%d paths not enabled (!)' % (state_count))
  62     elif state_count != 0:
  63         state = 2
  64         message.append('%d paths not enabled (!!)' % (state_count))
  65
  66     #Are some paths missing?
  67     path_message = "%d paths total" % path_count
  68     if path_count != params['paths']:
  69         state = max(state, 1)
  70         message.append(path_message + ' (should be: %d (!))' % (params['paths']))
  71     else:
  72         message.append(path_message)
  73
  74     return (state, ", ".join(message))
  75
  76
  77 check_info["aix_multipath"] = {
  78     "check_function": check_aix_multipath,
  79     "inventory_function": inventory_aix_multipath,
  80     "service_description": "Multipath %s",
  81 }