checks/netif

   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 # WARNING: This check is deprecated and will be removed soon. Please
  28 # update your agent and use lnx_if instead.
  29
  30 linux_nic_check = "lnx_if"
  31
  32
  33 def inventory_netif_link(info):
  34     if linux_nic_check != "legacy":
  35         return []
  36     return [(i[0], i[4] == 'yes', i[4] == 'yes') for i in info if len(i) == 5]
  37
  38
  39 def check_netif_link(item, targetstate, info):
  40     links = [i[4] for i in info if i[0] == item]
  41     if len(links) == 0:
  42         return (2, "unknown network device")
  43     elif len(links) != 1:
  44         return (3, "network devices listed more than once")
  45     if links[0] == 'yes':
  46         link = True
  47     elif links[0] == 'no':
  48         link = False
  49     else:
  50         return (3, "invalid link state '%s'" % link)
  51
  52     if link == targetstate:
  53         if link:
  54             return (0, "Link is up")
  55         return (0, "no link / NIC unused")
  56
  57     if link:
  58         return (1, "Link is up, NIC should be unused")
  59     return (2, "no link")
  60
  61
  62 def inventory_netif_params(info):
  63     if linux_nic_check != "legacy":
  64         return []
  65     return [(i[0], '', tuple(i[1:4])) for i in info if len(i) == 5]
  66
  67
  68 def check_netif_params(item, params, info):
  69     infolist = [i[1:4] for i in info if i[0] == item]
  70     if len(infolist) == 0:
  71         return (2, "unknown network device")
  72     elif len(infolist) != 1:
  73         return (3, "network devices listed more than once")
  74     act_params = tuple(infolist[0])
  75     if act_params == params:
  76         return (0, "%s" % (",".join(act_params),))
  77     return (2, "%s (should be %s)" % (",".join(act_params), ",".join(params)))
  78
  79
  80 check_info["netif.params"] = {
  81     'check_function': check_netif_params,
  82     'inventory_function': inventory_netif_params,
  83     'service_description': 'NIC %s parameter',
  84 }
  85
  86 check_info["netif.link"] = {
  87     'check_function': check_netif_link,
  88     'inventory_function': inventory_netif_link,
  89     'service_description': 'NIC %s link',
  90 }