checks/emc_vplex_volumes

   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
  28 def parse_emc_vplex_volumes(info):
  29     volumes = {}
  30     now = time.time()
  31
  32     # Each volume is listed twice, because they are connected to both directors
  33     instance_count = {}
  34     for line in info:
  35         # Note: Since the volume name can appear multiple times we need an instance
  36         # counter for each volume. Let's hope they always appear in the same order...
  37         name = line[0]
  38         instance_count.setdefault(name, 0)
  39         instance_count[name] += 1
  40         read_delta = get_rate("readbytes.%s.%s" % (name, instance_count[name]), now, int(line[3]))
  41         write_delta = get_rate("writebytes.%s.%s" % (name, instance_count[name]), now, int(line[4]))
  42         ios = get_rate("ios.%s.%s" % (name, instance_count[name]), now, int(line[2]))
  43         read_wait = float(line[5]) / 1000000
  44         write_wait = float(line[6]) / 1000000
  45
  46         if name in volumes:
  47             volumes[name]["read_throughput"] += read_delta
  48             volumes[name]["write_throughput"] += write_delta
  49             volumes[name]["ios"] += ios
  50             volumes[name]["average_read_wait"] = max(volumes[name]["average_read_wait"], read_wait)
  51             volumes[name]["average_write_wait"] = max(volumes[name]["average_write_wait"],
  52                                                       write_wait)
  53         else:
  54             volumes[name] = {
  55                 "average_read_wait": read_wait,
  56                 "average_write_wait": write_wait,
  57                 "read_throughput": read_delta,
  58                 "write_throughput": write_delta,
  59                 "ios": ios
  60             }
  61
  62     return volumes
  63
  64
  65 def inventory_emc_vplex_volumes(parsed):
  66     return inventory_diskstat_generic([(None, x) for x in parsed.keys()])
  67
  68
  69 def check_emc_vplex_volumes(item, params, parsed):
  70     # The check_diskstat_dict function may compute average values
  71     # We won't allow this if some of the counters have wrapped
  72     if last_counter_wrap():
  73         raise MKCounterWrapped("Value overflow")
  74     return check_diskstat_dict(item, params, parsed)
  75
  76 check_info["emc_vplex_volumes"] = {
  77     "parse_function"        : parse_emc_vplex_volumes,
  78     "check_function"        : check_emc_vplex_volumes,
  79     "inventory_function"    : inventory_emc_vplex_volumes,
  80     "service_description"   : "Disk IO Volume %s",
  81     "snmp_scan_function"    : lambda oid: oid(".1.3.6.1.2.1.1.1.0") == "" and\
  82                                           oid(".1.3.6.1.4.1.1139.21.2.2.8.1.*"),
  83     "snmp_info"             :
  84                                 (".1.3.6.1.4.1.1139.21.2.2.8.1", [
  85                                     1, # vplexDirectorVirtualVolumeName
  86                                     2, # vplexDirectorVirtualVolumeUuid
  87                                     3, # vplexDirectorVirtualVolumeOps
  88                                     4, # vplexDirectorVirtualVolumeRead
  89                                     5, # vplexDirectorVirtualVolumeWrite
  90                                     6, # vplexDirectorVirtualVolumeReadAvgLatency
  91                                     7, # vplexDirectorVirtualVolumeWriteAvgLatency
  92                                 ]),
  93     "has_perfdata"          : True,
  94     "group"                 : "diskstat",
  95     "includes"              : [ "diskstat.include" ],
  96 }