checks/netscaler_mem

   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 # .1.3.6.1.4.1.5951.4.1.1.41.2.0  13
  29 # .1.3.6.1.4.1.5951.4.1.1.41.4.0  7902
  30
  31 netscaler_mem_default_levels = (80.0, 90.0)
  32
  33
  34 def inventory_netscaler_mem(info):
  35     if info:
  36         return [(None, 'netscaler_mem_default_levels')]
  37
  38
  39 def check_netscaler_mem(_no_item, params, info):
  40     used_mem_perc, total_mem_mb = map(float, info[0])
  41     warn_perc, crit_perc = params
  42     total_mem = total_mem_mb * 1024 * 1024
  43     warn, crit, used_mem = [s * total_mem / 100.0 for s in params + (used_mem_perc,)]
  44     infotext = "%s (%d%%) of %s" % (get_bytes_human_readable(used_mem), used_mem_perc,
  45                                     get_bytes_human_readable(total_mem))
  46     perfdata = [("mem", used_mem, warn, crit, 0, total_mem)]
  47
  48     state = 0
  49     if used_mem >= crit:
  50         state = 2
  51     elif used_mem >= warn:
  52         state = 1
  53     if state > 0:
  54         infotext += " (warn/crit at %.1f%%/%.1f%%)" % (warn_perc, crit_perc)
  55
  56     return state, infotext, perfdata
  57
  58
  59 check_info["netscaler_mem"] = {
  60     "check_function": check_netscaler_mem,
  61     "inventory_function": inventory_netscaler_mem,
  62     "service_description": "Memory used",
  63     "has_perfdata": True,
  64     "group": "netscaler_mem",
  65     "snmp_info": (
  66         ".1.3.6.1.4.1.5951.4.1.1.41",
  67         [  # nsResourceGroup
  68             2,  # resMemUsage
  69             4,  # memSizeMB
  70         ]),
  71     "snmp_scan_function": lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.5951.1"),
  72 }