checks/zpool

   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 # NAME    SIZE  ALLOC   FREE  CAP  HEALTH  ALTROOT
  28 # app02  39.8G  14.1G  25.6G  35%  ONLINE  -
  29 # rpool  39.8G  32.9G  6.81G  82%  ONLINE  -
  30
  31 # Or also:
  32 # NAME        SIZE   USED  AVAIL    CAP  HEALTH  ALTROOT
  33 # sth_ds      278G   127G   151G    45%  ONLINE  -
  34
  35
  36 def parse_zpool(info):
  37     def canonize_header_entry(entry):
  38         if entry == "used":
  39             return "alloc"
  40         elif entry == "avail":
  41             return "free"
  42         return entry
  43
  44     result = {}
  45     if len(info) == 0:
  46         return result
  47
  48     header = [canonize_header_entry(item.lower()) for item in info[0]]
  49     for line in info[1:]:
  50         result[line[0]] = dict(zip(header, line))
  51     return result
  52
  53
  54 def inventory_zpool(parsed):
  55     return df_inventory(parsed.keys())
  56
  57
  58 def check_zpool(item, params, parsed):
  59     def mb(val):
  60         idx = None
  61         # split number from unit
  62         for idx, ch in enumerate(val):
  63             if ch not in "0123456789.-":
  64                 break
  65         num = float(val[:idx])
  66         unit = val[idx:].lstrip().lower()
  67         unit = ["b", "k", "m", "g", "t"].index(unit)
  68
  69         return num * (1024**(unit - 2))
  70
  71     fslist = []
  72     for pool, entry in parsed.iteritems():
  73         if "patterns" in params or item == pool:
  74             fslist.append((pool, mb(entry['size']), mb(entry['free']), 0))
  75
  76     return df_check_filesystem_list(item, params, fslist)
  77
  78
  79 check_info['zpool'] = {
  80     "check_function": check_zpool,
  81     "inventory_function": inventory_zpool,
  82     "parse_function": parse_zpool,
  83     "service_description": "Storage Pool %s",
  84     "has_perfdata": True,
  85     "group": "filesystem",
  86     "includes": ["size_trend.include", "df.include"],
  87 }