checks/omd_apache

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2015             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 # <<<omd_apache:sep(124)>>>
  28 # [heute]
  29 # /heute/check_mk/view.py?view_name=allhosts&_display_options=htbfcoderuw&_do_actions=&_ajaxid=1433252694|200|5067|13465
  30 # /heute/check_mk/sidebar_snapin.py?names=tactical_overview,admin|200|4046|8109
  31 # /heute/check_mk/index.py?start_url=%2Fheute%2Fcheck_mk%2Fview.py%3Fview_name%3Dallhosts|200|515|7528
  32 # /heute/check_mk/view.py?view_name=allhosts|200|37656|57298
  33 # /heute/check_mk/side.py|200|39885|108178
  34 # /heute/check_mk/js/graphs-2015.06.02.js|200|28895|1823
  35 # [heute2]
  36
  37 omd_apache_patterns = [
  38     # perf keys         url matching regex
  39     ('cmk_views', r'^check_mk/view\.py'),
  40     ('cmk_wato', r'^check_mk/wato\.py'),
  41     ('cmk_bi', r'^check_mk/bi\.py'),
  42     ('cmk_snapins', r'^check_mk/sidebar_snapin\.py'),
  43     ('cmk_dashboards', r'^check_mk/dashboard\.py'),
  44     ('cmk_other', r'^check_mk/.*\.py'),
  45     ('nagvis_snapin', r'^nagvis/server/core/ajax_handler\.php?mod=Multisite&act=getMaps'),
  46     ('nagvis_ajax', r'^nagvis/server/core/ajax_handler\.php'),
  47     ('nagvis_other', r'^nagvis/.*\.php'),
  48     ('images', r'\.(jpg|png|gif)$'),
  49     ('styles', r'\.css$'),
  50     ('scripts', r'\.js$'),
  51     ('other', '.*'),
  52 ]
  53
  54
  55 # Parses the agent data to a dictionary, using the site name as keys
  56 #  which holds
  57 def parse_omd_apache(info):
  58     parsed = {}
  59     site = None
  60     for line in info:
  61         if line[0][0] == '[':
  62             site = line[0][1:-1]
  63             parsed[site] = []
  64         elif site:
  65             parsed[site].append(line)
  66     return parsed
  67
  68
  69 def inventory_omd_apache(parsed):
  70     return [(k, None) for k in parsed.keys()]
  71
  72
  73 def check_omd_apache(item, _no_params, parsed):
  74     # First initialize all possible values to be able to always report all perf keys
  75     stats = {'requests': {}, 'secs': {}, 'bytes': {}}
  76     for key, pattern in omd_apache_patterns:
  77         stats['requests'][key] = 0
  78         stats['secs'][key] = 0
  79         stats['bytes'][key] = 0
  80
  81     if item not in parsed:
  82         return
  83     elif not parsed[item]:
  84         yield 0, "No activity since last check"
  85         return
  86
  87     for line in parsed[item]:
  88         if len(line) < 3:
  89             continue
  90         elif len(line) == 4:
  91             url, _status, size_bytes, microsec = line
  92         else:
  93             url = " ".join(line[:-3])
  94             _status, size_bytes, microsec = line[-3:]
  95
  96         for key, pattern in omd_apache_patterns:
  97             # make url relative to site directory
  98             if regex(pattern).search(url[len('/' + item + '/'):]):
  99                 stats['requests'].setdefault(key, 0)
 100                 stats['requests'][key] += 1
 101
 102                 stats['secs'].setdefault(key, 0)
 103                 stats['secs'][key] += int(microsec) / 1000.0 / 1000.0
 104
 105                 stats['bytes'].setdefault(key, 0)
 106                 stats['bytes'][key] += int(size_bytes)
 107
 108                 break  # don't call a line twice
 109
 110     # Now process the result. Break down the gathered values to values per second.
 111     # the output is showing total values, for the graphing we provide detailed data
 112     this_time = time.time()
 113     for ty, title in [
 114         ('requests', 'Requests/s'),
 115         ('secs', 'Seconds serving/s'),
 116         ('bytes', 'Sent/s'),
 117     ]:
 118         total = 0
 119         for key, value in sorted(stats[ty].items(), key=lambda k_v: k_v[1], reverse=True):
 120             rate = get_rate(
 121                 "omd_apache.%s.%s.%s" % (item, ty, key),
 122                 this_time,
 123                 value,
 124                 onwrap=SKIP,
 125                 is_rate=True)
 126             total += rate
 127             yield 0, '', [(ty + '_' + key, rate)]
 128
 129         total = get_bytes_human_readable(total) if ty == "bytes" else ("%.2f" % total)
 130         yield 0, '%s %s' % (total, title)
 131
 132
 133 check_info['omd_apache'] = {
 134     'parse_function': parse_omd_apache,
 135     'check_function': check_omd_apache,
 136     'inventory_function': inventory_omd_apache,
 137     'service_description': 'OMD %s apache',
 138     'has_perfdata': True,
 139 }