checks/netapp_api_snapshots

   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 # Agent output:
  28 # <<<netapp_api_snapshots:sep(9)>>>
  29 # volume_snapshot volch150    percent-reserved 22 blocks-reserved 3322    size-total 12122 ...
  30 # volume_snapshot volch150    percentage-of-total-blocks 0 cumulative-total 122924 ...
  31
  32 factory_settings["netapp_api_snapshots_default_levels"] = {"levels": (85.0, 90.0)}
  33
  34
  35 def inventory_netapp_api_snapshots(parsed):
  36     for key in parsed.keys():
  37         yield key, {}
  38
  39
  40 def check_netapp_api_snapshots(item, params, parsed):
  41     data = parsed.get(item)
  42
  43     if not data:
  44         return
  45
  46     if data[0].get("state") != "online":
  47         yield 3, "No snapshot information available. Volume is %s" % data[0].get("state")
  48         return
  49
  50     snapshot_total = int(data[0]["reserve-used-actual"]) * 1024.0
  51     size_total = int(data[0]["size-total"])
  52     reserved_bytes = int(data[0]["snapshot-blocks-reserved"]) * 1024.0
  53
  54     if not reserved_bytes:
  55         yield 0, "Used snapshot space: %s" % get_bytes_human_readable(snapshot_total), [
  56             ("bytes", snapshot_total)
  57         ]
  58         yield params.get("state_noreserve", 1), "No snapshot reserve configured"
  59         return
  60
  61     used_percent = snapshot_total / reserved_bytes * 100.0
  62     volume_total = size_total + reserved_bytes
  63
  64     state = 0
  65
  66     warn, crit = params.get("levels")
  67     if used_percent >= crit:
  68         state = 2
  69     elif used_percent >= warn:
  70         state = 1
  71
  72     extra_info = ("(Levels at %d%%/%d%%)" % (warn, crit)) if state else ""
  73
  74     yield state, "Reserve used: %.1f%% (%s)%s" % (
  75         used_percent, get_bytes_human_readable(snapshot_total), extra_info)
  76
  77     yield 0, "Total Reserve: %s%% (%s) of %s" % (data[0]["snapshot-percent-reserved"],
  78                                                  get_bytes_human_readable(reserved_bytes),
  79                                                  get_bytes_human_readable(volume_total)),\
  80                                                  [("bytes", snapshot_total, 0, 0, 0, reserved_bytes)]
  81
  82 check_info["netapp_api_snapshots"] = {
  83     'parse_function'          : lambda info: netapp_api_parse_lines(info,
  84                                 custom_keys = ["volume_snapshot"], as_dict_list = True),
  85     'check_function'          : check_netapp_api_snapshots,
  86     'inventory_function'      : inventory_netapp_api_snapshots,
  87     "default_levels_variable" : "netapp_api_snapshots_default_levels",
  88     'service_description'     : 'Snapshots Volume %s',
  89     'group'                   : "netapp_snapshots",
  90     'has_perfdata'            : True,
  91     'includes'                : ["netapp_api.include"]
  92 }