checks/rmon_stats

   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 # This check extracts data from 1.3.6.1.2.1.16.1.1.1 =
  28 # iso(1). org(3). dod(6). internet(1). mgmt(2). mib-2(1). rmon(16).
  29 # statistics(1). etherStatsTable(1). etherStatsEntry(1)
  30 # The MIB is called RMON-MIB
  31
  32 inventory_if_rules = []
  33
  34
  35 def inventory_rmon_stats(info):
  36     settings = host_extra_conf_merged(host_name(), inventory_if_rules)
  37     if settings.get("rmon"):
  38         inventory = []
  39         for line in info:
  40             inventory.append((line[0], None))
  41         return inventory
  42
  43
  44 def check_rmon_stats(item, _no_params, info):
  45     bytes_map = {
  46         1: 'bcast',
  47         2: 'mcast',
  48         3: '0-63b',
  49         4: '64-127b',
  50         5: '128-255b',
  51         6: '256-511b',
  52         7: '512-1023b',
  53         8: '1024-1518b'
  54     }
  55     perfdata = []
  56     infotext = ''
  57     now = time.time()
  58     for line in info:
  59         if line[0] == item:
  60             for i, val in bytes_map.items():
  61                 octets = int(re.sub(' Packets', '', line[i]))
  62                 rate = get_rate("%s-%s" % (item, val), now, octets)
  63                 perfdata.append((val, rate, 0, 0, 0))
  64                 infotext += "%s=%.0f " % (val, rate)
  65             infotext += 'octets/sec'
  66             return 0, infotext, perfdata
  67
  68     return (3, "port not found")
  69
  70 check_info["rmon_stats"] = {
  71     'check_function'        : check_rmon_stats,
  72     'inventory_function'    : inventory_rmon_stats,
  73     'service_description'   : 'RMON Stats IF %s',
  74     'has_perfdata'          : True,
  75     'snmp_info'             : ('.1.3.6.1.2.1.16.1.1.1', [ #
  76                                         '1',    # etherStatsIndex = Item
  77                                         '6',    # etherStatsBroadcastPkts
  78                                         '7',    # etherStatsMulticastPkts
  79                                         '14',   # etherStatsPkts64Octets
  80                                         '15',   # etherStatsPkts65to127Octets
  81                                         '16',   # etherStatsPkts128to255Octets
  82                                         '17',   # etherStatsPkts256to511Octets
  83                                         '18',   # etherStatsPkts512to1023Octets
  84                                         '19',   # etherStatsPkts1024to1518Octets
  85                                         ]),
  86     # for the scan we need to check for any single object in the RMON tree,
  87     # we choose netDefaultGateway in the hope that it will always be present
  88     'snmp_scan_function'    : lambda oid: ( oid(".1.3.6.1.2.1.1.1.0").lower().startswith("cisco") \
  89                     or oid(".1.3.6.1.2.1.1.2.0") == ".1.3.6.1.4.1.11863.1.1.3" \
  90                     ) and oid(".1.3.6.1.2.1.16.19.12.0") is not None,
  91 }