checks/wut_webio_io

   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 #SNMP Data for the port that is labeled as "0" on the device and
  28 # in the web interface, but "1" in the tables.
  29 #  .1.3.6.1.4.1.5040.1.2.4.1.3.1.4.1  1                << this is the index
  30 #  .1.3.6.1.4.1.5040.1.2.4.3.1.5.2.1.1.1  1            << this is the state
  31 #  .1.3.6.1.4.1.5040.1.2.4.3.2.1.1.1.1  "Stoerung USV" << this is the user descr.
  32
  33 webio_state_names = {
  34     0: "Off",
  35     1: "On",
  36 }
  37
  38
  39 # Parser for the snmp data, hands back a dict with fugded
  40 # item name and the state of all ports.
  41 # fix the port index. it is off by one. alternatively you could just
  42 # fix the nagios state text at check time.
  43 # Also do padding with 0, this means we need to handle it as "str"
  44 # tbh, there is a way in if.include but it is beyond me how that works.
  45 # The max model has 24 ports, so this will work for the current product
  46 # range.
  47 def parse_webio_io_inputs(info):
  48     wut_info = {}
  49     for line in info:
  50         input_index, input_desc, state = line
  51         state = int(state)
  52         input_index = str(int(input_index) - 1)
  53         if len(input_index) < 2:
  54             input_index = "0" + input_index
  55
  56         if input_desc.startswith("Input"):
  57             input_desc = input_index
  58         else:
  59             input_desc = input_index + " " + input_desc
  60         wut_info.update({input_index: (input_desc, state)})
  61
  62     return wut_info
  63
  64
  65 def inventory_wut_webio_io_inputs(info):
  66     # inventorize the err, things as the parser returned them.
  67     return [(val[0], val[1]) for val in parse_webio_io_inputs(info).values()]
  68
  69
  70 def check_wut_webio_io_inputs(item, params, info):
  71     for val in parse_webio_io_inputs(info).values():
  72         if val[0] == item:
  73             state = val[1]
  74
  75             # Compare to the state of the IO port at inventory.
  76             if state != params:
  77                 return (2, "state should be %s but is %s (!!)" % (webio_state_names[params],
  78                                                                   webio_state_names[state]))
  79             return (0, "state is %s" % webio_state_names[state])
  80
  81     return (3, "Item not found in agent output")
  82
  83
  84 check_info['wut_webio_io.inputs'] = {
  85     "check_function"     : check_wut_webio_io_inputs,
  86     "inventory_function" : inventory_wut_webio_io_inputs,
  87     "service_description": "INPUT %s",
  88     "snmp_info"          : (".1.3.6.1.4.1.5040.1.2.4", [
  89          "3.1.5.2.1.1",    # io port index. (bugged)
  90          "3.2.1.1.1",      # user defined description.
  91          "1.3.1.4",        # the low/high state.
  92     ]),
  93     # first check we have a vendor mib from W&T, then check for the model in their MIB.
  94     "snmp_scan_function" : lambda oid:  \
  95          ".1.3.6.1.4.1.5040" in oid(".1.3.6.1.2.1.1.2.0") and \
  96          oid(".1.3.6.1.4.1.5040.1.2.4.3.3.5.0") and \
  97          oid(".1.3.6.1.4.1.5040.1.2.4.3.3.5.0").lower().startswith("web-io"),
  98 }