checks/tsm_stagingpools

   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 # <<<tsm_stagingpools>>>
  28 # tsmfarm2       SL8500_STGPOOL_05       99.9
  29 # tsmfarm2       SL8500_STGPOOL_05       97.9
  30 # tsmfarm2       SL8500_LTO4_STGPOOL_01  48.6
  31 # tsmfarm2       SL8500_LTO4_STGPOOL_01  35.9
  32 # tsmfarm2       SL8500_LTO4_STGPOOL_01  58.9
  33 # tsmfarm2       SL8500_LTO4_STGPOOL_01  61.6
  34 #
  35 # Example for params
  36 # params = {
  37 #    "free_below" : 30.0, # consider as free if utilized <= this
  38 #    "levels" : (5, 2), # warn/crit if less then that many free tapes
  39 # }
  40
  41 factory_settings["tsm_stagingpools_default_levels"] = {
  42     "free_below": 70,
  43 }
  44
  45
  46 def parse_tsm_stagingpools(info):
  47     parsed = {}
  48
  49     def add_item(node, lineinfo):
  50         inst, pool, util = lineinfo
  51         if inst == "default":
  52             item = pool
  53         else:
  54             item = inst + " / " + pool
  55         parsed.setdefault(item, {})
  56         parsed[item].setdefault(node, [])
  57         parsed[item][node].append(util.replace(",", "."))
  58
  59     for line in info:
  60         node = line[0]
  61         add_item(node, line[1:4])
  62         # The agent plugin sometimes seems to mix two lines together some
  63         # times. Detect and fix that.
  64         if len(line) == 7:
  65             add_item(node, line[4:])
  66
  67     return parsed
  68
  69
  70 def inventory_tsm_stagingpools(parsed):
  71     for item in parsed:
  72         yield item, {}
  73
  74
  75 def check_tsm_stagingpools(item, params, parsed):
  76     if item not in parsed:
  77         return 3, "Item not found in agent output"
  78
  79     datasets, nodeinfos = [], []
  80     for node, data in parsed[item].items():
  81         if node is not None:
  82             nodeinfos.append(node)
  83         datasets.append(tuple(data))
  84
  85     num_tapes = 0
  86     num_free_tapes = 0
  87     utilization = 0.0  # in relation to one tape size
  88     for util in datasets[0]:
  89         util = float(util) / 100.0
  90         utilization += util
  91         num_tapes += 1
  92         if util <= params["free_below"] / 100.0:
  93             num_free_tapes += 1
  94
  95     if nodeinfos:
  96         infotext = "%s: " % "/".join(nodeinfos)
  97     else:
  98         infotext = ""
  99     infotext += "Total tapes: %d, Tapes less then %d%% full: %d, Utilization: %.1f tapes" % \
 100                  (num_tapes, params["free_below"], num_free_tapes, utilization)
 101     state = 0
 102     if "levels" in params:
 103         warn, crit = params["levels"]
 104         if num_free_tapes < crit:
 105             state = 2
 106             infotext += "(!!)"
 107         elif num_free_tapes < warn:
 108             state = 1
 109             infotext += "(!)"
 110     else:
 111         warn, crit = None, None
 112
 113     if state == 0 and num_tapes == 0:
 114         state = 3
 115         infotext = "no tapes in this pool or pool not existant"
 116
 117     # In cluster mode we check if data sets are equal from all nodes
 118     # else we have only one data set
 119     if len(set(datasets)) > 1:
 120         state = 3
 121         infotext += ", Cluster: data from nodes are not equal"
 122
 123     return state, infotext, [("tapes", num_tapes), ("free", num_free_tapes, warn, crit),
 124                              ("util", utilization)]
 125
 126
 127 check_info['tsm_stagingpools'] = {
 128     "parse_function": parse_tsm_stagingpools,
 129     "check_function": check_tsm_stagingpools,
 130     "inventory_function": inventory_tsm_stagingpools,
 131     "service_description": "TSM Stagingpool %s",
 132     "has_perfdata": True,
 133     "group": "tsm_stagingpools",
 134     "default_levels_variable": "tsm_stagingpools_default_levels",
 135     "node_info": True,
 136 }