checks/hpux_multipath

   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 from agent:
  28 # <<<hpux_multipath>>>
  29 #       LUN PATH INFORMATION FOR LUN : /dev/rtape/tape1_BEST
  30 # World Wide Identifier(WWID)    = 0x600508b4000139e500049000075e0000
  31 # State                         = UNOPEN
  32 #       LUN PATH INFORMATION FOR LUN : /dev/rdisk/disk10
  33 # World Wide Identifier(WWID)    = 0x600508b4000139e500009000075e00b0
  34 # State                         = ACTIVE
  35 #       LUN PATH INFORMATION FOR LUN : /dev/rdisk/disk13
  36 # World Wide Identifier(WWID)    = 0x600508b4000139e500009000075e00c0
  37 # State                         = UNOPEN
  38 #       LUN PATH INFORMATION FOR LUN : /dev/pt/pt2
  39 # World Wide Identifier(WWID)    = 0x600508b4000139e500009000075e00d0
  40 # State                         = UNOPEN
  41 # State                         = UNOPEN
  42 # State                         = UNOPEN
  43 # State                         = UNOPEN
  44 # State                         = UNOPEN
  45 # State                         = UNOPEN
  46 # State                         = UNOPEN
  47 # State                         = UNOPEN
  48 #         LUN PATH INFORMATION FOR LUN : /dev/rdisk/disk781
  49 # World Wide Identifier(WWID)    = 0x600508b4000139e500009000075e00e0
  50 # State                         = ACTIVE
  51 # State                         = STANDBY
  52 # State                         = FAILED
  53 # State                         = FAILED
  54 # State                         = ACTIVE
  55 # State                         = STANDBY
  56 #       LUN PATH INFORMATION FOR LUN : /dev/rdisk/disk912
  57 # World Wide Identifier(WWID)    = 0x600508b4000139e500009000075e00f0
  58 # State                         = ACTIVE
  59 # State                         = STANDBY
  60 # State                         = ACTIVE
  61 # State                         = STANDBY
  62
  63 hpux_multipath_pathstates = {
  64     "ACTIVE": 0,
  65     "STANDBY": 1,
  66     "FAILED": 2,
  67     "UNOPEN": 3,
  68     "OPENING": 0,
  69     "CLOSING": 1
  70 }
  71
  72
  73 def parse_hpux_multipath(info):
  74     disks = {}
  75     for line in info:
  76         if ':' in line:
  77             disk = line[-1]
  78         elif line[0] == "World":
  79             wwid = line[-1]
  80             paths = [0, 0, 0, 0]  # ACTIVE, STANBY, FAILED, UNOPEN
  81             disks[wwid] = (disk, paths)
  82         elif '=' in line:
  83             state = line[-1]
  84             paths[hpux_multipath_pathstates[state]] += 1
  85     return disks
  86
  87
  88 def inventory_hpux_multipath(info):
  89     inventory = []
  90     disks = parse_hpux_multipath(info)
  91     for wwid, (_disk, (active, standby, failed, unopen)) in disks.items():
  92         if active + standby + failed >= 2:
  93             inventory.append((wwid, (active, standby, failed, unopen)))
  94     return inventory
  95
  96
  97 def hpux_multipath_format_pathstatus(pathcounts):
  98     infos = []
  99     for name, i in hpux_multipath_pathstates.items():
 100         c = pathcounts[i]
 101         if c > 0:
 102             infos.append("%d %s" % (c, name))
 103     return ", ".join(infos)
 104
 105
 106 def check_hpux_multipath(item, params, info):
 107     disks = parse_hpux_multipath(info)
 108     if item not in disks:
 109         return (3, "no LUN with this WWID found")
 110     disk, pathcounts = disks[item]
 111
 112     if pathcounts[2] > 0:
 113         return (2, "%s: %d failed paths! (%s)" % (disk, pathcounts[2],
 114                                                   hpux_multipath_format_pathstatus(pathcounts)))
 115
 116     elif list(pathcounts) != list(params):
 117         return (1, "%s: Invalid path status %s (should be %s)" %
 118                 (disk, hpux_multipath_format_pathstatus(pathcounts),
 119                  hpux_multipath_format_pathstatus(params)))
 120     return (0, "%s: %s" % (disk, hpux_multipath_format_pathstatus(pathcounts)))
 121
 122
 123 check_info["hpux_multipath"] = {
 124     'check_function': check_hpux_multipath,
 125     'inventory_function': inventory_hpux_multipath,
 126     'service_description': 'Multipath %s',
 127     'group': 'hpux_multipath',
 128 }