checks/heartbeat_nodes

   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 # Author: Lars Michelsen <lm@mathias-kettner.de>
  28
  29 # Example outputs from agent:
  30 #
  31 # <<<heartbeat_nodes>>>
  32 # smwp active lanb up lanb up lana up lana up
  33 # swi04 ping swi04 up
  34 # swi03 ping swi03 up
  35
  36
  37 def inventory_heartbeat_nodes(info):
  38     return [(line[0], None) for line in info if line[0] != '']
  39
  40
  41 def check_heartbeat_nodes(item, params, info):
  42     for line in info:
  43         if line[0] == item:
  44             status = 0
  45             nodeStatus = line[1]
  46             nodeLinks = zip(line[2::2], line[3::2])
  47
  48             linkOutput = ''
  49             for link, state in nodeLinks:
  50                 state_txt = ''
  51                 if state != 'up':
  52                     status = 2
  53                     state_txt = ' (!!)'
  54                 linkOutput += '%s: %s%s, ' % (link, state, state_txt)
  55             linkOutput = linkOutput.rstrip(', ')
  56
  57             if nodeStatus in ['active', 'up', 'ping'] and status <= 0:
  58                 status = 0
  59             elif nodeStatus == 'dead' and status <= 2:
  60                 status = 2
  61
  62             if not nodeStatus in ['active', 'up', 'ping', 'dead']:
  63                 return (3, "Node %s has an unhandled state: %s" % (line[0], nodeStatus))
  64
  65             return (status,
  66                     'Node %s is in state "%s". Links: %s' % (line[0], nodeStatus, linkOutput))
  67
  68     return (3, "Node is not present anymore")
  69
  70
  71 check_info["heartbeat_nodes"] = {
  72     'check_function': check_heartbeat_nodes,
  73     'inventory_function': inventory_heartbeat_nodes,
  74     'service_description': 'Heartbeat Node %s',
  75 }