checks/db2_counters

   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 # <<<db2_counters>>>
  28 # TIMESTAMP 1426610723
  29 # db2taddm:CMDBS1 deadlocks 0
  30 # db2taddm:CMDBS1 lockwaits 99
  31 # db2taddm:CMDBS1 sortoverflows 2387
  32 # TIMESTAMP 1426610763
  33 # db2taddm:CMDBS6 deadlocks 99
  34 # db2taddm:CMDBS6 lockwaits 91
  35 # db2taddm:CMDBS6 sortoverflows 237
  36 #### Example for database in DPF mode
  37 # TIMESTAMP 1439976757
  38 # db2ifa:DDST1 node 0 iasv0091 0
  39 # db2ifa:DDST1 node 1 iasv0091 1
  40 # db2ifa:DDST1 node 2 iasv0091 2
  41 # db2ifa:DDST1 node 3 iasv0091 3
  42 # db2ifa:DDST1 node 4 iasv0091 4
  43 # db2ifa:DDST1 node 5 iasv0091 5
  44 # db2ifa:DDST1 deadlocks 0
  45 # db2ifa:DDST1 deadlocks 0
  46 # db2ifa:DDST1 deadlocks 0
  47 # db2ifa:DDST1 deadlocks 0
  48 # db2ifa:DDST1 deadlocks 0
  49 # db2ifa:DDST1 deadlocks 0
  50 # db2ifa:DDST1 lockwaits 0
  51 # db2ifa:DDST1 lockwaits 0
  52 # db2ifa:DDST1 lockwaits 0
  53 # db2ifa:DDST1 lockwaits 0
  54 # db2ifa:DDST1 lockwaits 0
  55 # db2ifa:DDST1 lockwaits 80
  56
  57 factory_settings["db2_counters_default_levels"] = {}
  58
  59 db2_counters_map = {
  60     "deadlocks": "Deadlocks",
  61     "lockwaits": "Lockwaits",
  62 }
  63
  64
  65 def parse_db2_counters(info):
  66     dbs = {}
  67     timestamp = 0
  68     node_infos = []
  69     element_offset = {}
  70     for line in info:
  71         if line[0].startswith("TIMESTAMP"):
  72             element_offset = {}
  73             node_infos = []
  74             timestamp = int(line[1])
  75         elif line[1] == "node":
  76             node_infos.append(" ".join(line[2:]))
  77         # Some databases run in DPF mode. Means that the database is split over several nodes
  78         # The counter information also differs for each node. We create one service per DPF node
  79         elif line[1] in db2_counters_map.keys():
  80             if node_infos:
  81                 element_offset.setdefault(line[1], 0)
  82                 offset = element_offset[line[1]]
  83                 key = "%s DPF %s" % (line[0], node_infos[offset])
  84                 element_offset[line[1]] += 1
  85             else:
  86                 key = line[0]
  87             dbs.setdefault(key, {"TIMESTAMP": timestamp})
  88             dbs[key][line[1]] = line[2]
  89
  90     # The timestamp is still used for legacy reasons
  91     # The instance specific timestamp is now available in the dbs
  92     return timestamp, dbs
  93
  94
  95 def inventory_db2_counters(parsed):
  96     if len(parsed) == 2:
  97         for db in parsed[1]:
  98             yield db, {}
  99
 100
 101 def check_db2_counters(item, params, parsed):
 102     default_timestamp = parsed[0]
 103     db = parsed[1].get(item)
 104     if not db:
 105         raise MKCounterWrapped("Login into database failed")
 106
 107     wrapped = False
 108     timestamp = db.get("TIMESTAMP", default_timestamp)
 109     for counter, label in db2_counters_map.items():
 110         try:
 111             value = float(db[counter])
 112         except ValueError:
 113             yield 2, "Invalid value: " + db[counter]
 114             continue
 115
 116         try:
 117             rate = get_rate("db2_counters.%s.%s" % (item, counter), timestamp, value, onwrap=RAISE)
 118         except MKCounterWrapped:
 119             wrapped = True
 120             continue
 121
 122         warn, crit = params.get(counter, (None, None))
 123         perfdata = [(counter, rate, warn, crit)]
 124         if crit is not None and rate >= crit:
 125             yield 2, "%s: %.1f/s" % (label, rate), perfdata
 126         elif warn is not None and rate >= warn:
 127             yield 1, "%s: %.1f/s" % (label, rate), perfdata
 128         else:
 129             yield 0, "%s: %.1f/s" % (label, rate), perfdata
 130
 131     if wrapped:
 132         raise MKCounterWrapped("Some counter(s) wrapped, no data this time")
 133
 134
 135 check_info['db2_counters'] = {
 136     "parse_function": parse_db2_counters,
 137     "service_description": "DB2 Counters %s",
 138     "check_function": check_db2_counters,
 139     "inventory_function": inventory_db2_counters,
 140     "has_perfdata": True,
 141     "group": "db2_counters",
 142     "includes": ["db2.include"],
 143     "default_levels_variable": "db2_counters_default_levels",
 144 }