checks/jolokia_jvm_threading

   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 import json
  27
  28 factory_settings['jolokia_jvm_threading.pool'] = {
  29     'currentThreadsBusy': (80, 90),
  30 }
  31
  32
  33 def parse_jolokia_json_output(info):
  34     for line in info:
  35         try:
  36             instance, mbean, raw_json_data = line
  37             yield instance, mbean, json.loads(raw_json_data)
  38         except ValueError:
  39             continue
  40
  41
  42 def parse_jolokia_jvm_threading(info):
  43     parsed = {}
  44     for instance, mbean, data in parse_jolokia_json_output(info):
  45
  46         type_ = mbean.split("type=", 1)[-1].split(",", 1)[0].split("/", 1)[0]
  47         parsed_data = parsed.setdefault(instance, {}).setdefault(type_, {})
  48
  49         if type_ == "ThreadPool":
  50             for key in data:
  51                 name = key.split('name="', 1)[-1].split('"', 1)[0]
  52                 parsed_data[name] = data[key]
  53         else:
  54             parsed_data.update(data)
  55
  56     return parsed
  57
  58
  59 @discover
  60 def discover_jolokia_jvm_threading(_instance, data):
  61     return bool(data.get("Threading"))
  62
  63
  64 @get_parsed_item_data
  65 def check_jolokia_jvm_threading(item, params, instance_data):
  66     data = instance_data.get("Threading", {})
  67     count = data.get('ThreadCount')
  68     if count is not None:
  69         levels = params.get('threadcount_levels')
  70         yield check_levels(
  71             count, 'ThreadCount', levels, infoname="Count", human_readable_func=lambda i: "%.f" % i)
  72
  73         counter = "jolokia_jvm_threading.count.%s" % item
  74         thread_rate = get_rate(counter, time.time(), count, allow_negative=True)
  75         levels = params.get('threadrate_levels')
  76         yield check_levels(thread_rate, 'ThreadRate', levels, infoname="Rate")
  77
  78     for key, name in (
  79         ('DaemonThreadCount', 'Daemon threads'),
  80         ('PeakThreadCount', 'Peak count'),
  81         ('TotalStartedThreadCount', 'Total started'),
  82     ):
  83         value = data.get(key)
  84         if value is None:
  85             continue
  86         levels = params.get('%s_levels' % key.lower())
  87         yield check_levels(
  88             value, key, levels, infoname=name, human_readable_func=lambda i: "%.f" % i)
  89
  90
  91 check_info["jolokia_jvm_threading"] = {
  92     "parse_function": parse_jolokia_jvm_threading,
  93     "inventory_function": discover_jolokia_jvm_threading,
  94     "check_function": check_jolokia_jvm_threading,
  95     "service_description": "JVM %s Threading",
  96     "group": "jvm_threading",
  97     "has_perfdata": True,
  98 }
  99
 100
 101 def discover_jolokia_jvm_threading_pool(parsed):
 102     for instance in parsed:
 103         threadpool_data = parsed[instance].get("ThreadPool", {})
 104         for name in threadpool_data:
 105             yield "%s ThreadPool %s" % (instance, name), {}
 106
 107
 108 def check_jolokia_jvm_threading_pool(item, params, parsed):
 109     instance, pool_name = item.split(" ThreadPool ", 1)
 110     thread_pools = parsed.get(instance, {}).get("ThreadPool", {})
 111     threadpool_info = thread_pools.get(pool_name, {})
 112     max_threads = threadpool_info.get("maxThreads")
 113     if max_threads is None:
 114         return
 115
 116     yield 0, "Maximum threads: %d" % max_threads
 117
 118     for key, name in (
 119         ('currentThreadsBusy', 'Busy'),
 120         ('currentThreadCount', 'Total'),
 121     ):
 122         value = threadpool_info.get(key)
 123         if value is None:
 124             continue
 125         result = check_levels(
 126             value,
 127             key,
 128             params.get(key),
 129             infoname=name,
 130             factor=max_threads / 100.,
 131             human_readable_func=lambda f: "%.f" % f)
 132         result[2][0] = result[2][0][:4] + (None, max_threads)
 133         yield result
 134
 135
 136 check_info["jolokia_jvm_threading.pool"] = {
 137     "inventory_function": discover_jolokia_jvm_threading_pool,
 138     "check_function": check_jolokia_jvm_threading_pool,
 139     "default_levels_variable": "jolokia_jvm_threading.pool",
 140     "service_description": "JVM %s",
 141     "group": "jvm_tp",
 142     "has_perfdata": True,
 143 }