checks/cisco_mem.include

   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 factory_settings["cisco_mem_default_levels"] = {
  28     "levels": (80.0, 90.0),
  29 }
  30
  31
  32 def scan_cisco_mem_asa64(oid):
  33     version = int((oid(".1.3.6.1.2.1.1.1.0").split("Version")[-1]).split(".")[0])
  34     return version >= 9
  35
  36
  37 def inventory_cisco_mem(info):
  38     return [(line[0], {}) for line in info if line[0] != "Driver text"]
  39
  40
  41 def check_cisco_mem(item, params, info):
  42     for line in info:
  43
  44         if line[0] != item:
  45             continue
  46
  47         if isinstance(params, tuple):
  48             params = {"levels": params}
  49
  50         mem_free = int(line[2])
  51         mem_used = int(line[1])
  52         mem_total = mem_free + mem_used
  53         return check_cisco_mem_sub(item, params, mem_used, mem_total)
  54
  55
  56 def check_cisco_mem_sub(item, params, mem_used, mem_total):
  57     if not mem_total:
  58         return 3, "Cannot calculate memory usage: Device reports total memory 0"
  59
  60     perc_used = 100.0 * (float(mem_used) / float(mem_total))
  61     warn, crit = params["levels"]
  62     perfdata = [("mem_used", perc_used, warn, crit, 0, 100)]
  63
  64     status = 0
  65     if isinstance(warn, float):
  66         infotext = "%2.1f%% (%s) of %s used" % (perc_used, get_bytes_human_readable(mem_used),
  67                                                 get_bytes_human_readable(mem_total))
  68         if perc_used >= crit:
  69             status = 2
  70             infotext += " (critical at %d%%)" % crit
  71         elif perc_used >= warn:
  72             status = 1
  73             infotext += " (warning at %d%%)" % warn
  74     else:
  75         infotext = "%s (%2.1f%%) of %s used" % (get_bytes_human_readable(mem_used), perc_used,
  76                                                 get_bytes_human_readable(mem_total))
  77         if mem_used >= crit:
  78             status = 2
  79             infotext += " (critical at %s MB)" % crit
  80         elif mem_used >= warn:
  81             status = 1
  82             infotext += " (warning at %s MB)" % warn
  83
  84     if params.get("trend_range"):
  85         mem_used_mb, mem_total_mb = mem_used / 1048576.0, mem_total / 1048576.0
  86         trend_status, trend_infotext, trend_perfdata = size_trend('cisco_mem', item, "memory",
  87                                                                   params, mem_used_mb, mem_total_mb)
  88         status = max(status, trend_status)
  89         infotext += trend_infotext
  90         perfdata.extend(trend_perfdata)
  91
  92     return status, infotext, perfdata