checks/netscaler_ha

   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 # Example Output:
  28 # .1.3.6.1.4.1.5951.4.1.1.23.3.0  1
  29 # .1.3.6.1.4.1.5951.4.1.1.23.23.0  1
  30 # .1.3.6.1.4.1.5951.4.1.1.23.24.0  3
  31
  32 netscaler_ha_cur_states = {
  33     0: ("unknown", 1),
  34     # 1 Indicates that the node is in the process of becoming part of the high
  35     #   availability configuration.
  36     1: ("initializing", 1),
  37     2: ("down", 2),  # undocumented
  38     # 3 Indicates that the node is accessible and can function as either
  39     #   a primary or secondary node.
  40     3: ("functional", 0),
  41     # 4 Indicates that one of the high availability monitored interfaces
  42     #   has failed because of a card or link failure. # This state triggers a
  43     #   failover.
  44     4: ("some HA monitored interfaces failed", 2),
  45     5: ("monitorFail", 1),  # undocumented
  46     6: ("monitorOK", 1),  # undocumented
  47     # 7 Indicates that all the interfaces of the node are
  48     #   unusable because the interfaces on which high
  49     #   availability monitoring is enabled are not connected
  50     #   or are manually disabled. This state triggers a failover.
  51     7: ("all HA monitored interfaces failed", 2),
  52     # 8 Indicates that the node is in listening mode. It does not
  53     #   participate in high availability transitions or transfer
  54     #   configuration from the peer node. This is a configured
  55     #   value, not a statistic.
  56     8: ("configured to listening mode (dumb)", 1),
  57     # 9 Indicates that the high availability status of the node has been
  58     #   manually disabled. Synchronization and propagation cannot take
  59     #   place between the peer nodes.
  60     9: ("HA status manually disabled", 1),
  61     # 10 Indicates that the SSL card has failed. This state triggers a failover.
  62     10: ("SSL card failed", 2),
  63     # 11 Indicates that the route monitor has failed. This state triggers
  64     #    a failover.
  65     11: ("route monitor has failed", 2),
  66 }
  67
  68 netscaler_ha_peer_mode = {
  69     0: ("standalone", 0),
  70     1: ("primary", 0),
  71     2: ("secondary", 0),
  72     3: ("unknown", 1),
  73 }
  74
  75
  76 def inventory_netscaler_ha(info):
  77     if info:
  78         return [(None, None)]
  79
  80
  81 def check_netscaler_ha(_no_item, _no_params, info):
  82     if info:
  83         state = 0
  84         peer_state, cur_status, cur_state = map(int, info[0])
  85         if cur_status == 0:
  86             infotext = "System not setup for HA"
  87         else:
  88             infotext = "State: %s, Neighbour: %s" % (
  89                 netscaler_ha_cur_states[cur_state][0],
  90                 netscaler_ha_peer_mode[peer_state][0],
  91             )
  92             state = max(netscaler_ha_cur_states[cur_state][1],
  93                         netscaler_ha_peer_mode[peer_state][1])
  94
  95         return state, infotext
  96
  97
  98 check_info["netscaler_ha"] = {
  99     "check_function": check_netscaler_ha,
 100     "inventory_function": inventory_netscaler_ha,
 101     "service_description": "HA Node Status",
 102     "snmp_info": (
 103         ".1.3.6.1.4.1.5951.4.1.1.23",
 104         [  # nsHighAvailabilityGroup
 105             3,  # haPeerState
 106             23,  # haCurStatus
 107             24,  # haCurState
 108         ]),
 109     "snmp_scan_function": lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.5951.1"),
 110 }