136 lines
6 KiB
Python
Executable file
136 lines
6 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- encoding: utf-8 -*-
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#####################################################################
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# (c) 2007-2011 by Sven Velt and team(ix) GmbH, Nuernberg, Germany #
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# sv@teamix.net #
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# (c) 2016- by Sven Velt, Germany #
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# sven-mymonplugins@velt.biz #
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# #
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# This file is part of "velt.biz - My Monitoring Plugins" #
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# a fork of "team(ix) Monitoring Plugins" in 2015 #
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# URL: https://gogs.velt.biz/velt.biz/MyMonPlugins/ #
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# #
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# This file is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published #
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# by the Free Software Foundation, either version 2 of the License, #
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# or (at your option) any later version. #
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# #
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# This file is distributed in the hope that it will be useful, but #
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# WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this file. If not, see <http://www.gnu.org/licenses/>. #
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#####################################################################
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import os
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import re
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import sys
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import urllib.request, urllib.error, urllib.parse
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try:
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from MyMonPlugin import MonitoringPlugin
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except ImportError:
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print('==========================')
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print('AIKS! Python import error!')
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print('==========================\n')
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print('Could not find class "MonitoringPlugin"!\n')
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print('Did you download "%s"' % os.path.basename(sys.argv[0]))
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print('without "MyMonPlugin/"?\n')
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print('Please go back to')
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print('https://gogs.velt.biz/velt.biz/MyMonPlugins and:')
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print('- get a full archive at http://gogs.velt.biz/velt.biz/MyMonPlugins/releases')
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print('- or a master snapshot at http://gogs.velt.biz/velt.biz/MyMonPlugins/archive/master.tar.gz\n')
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sys.exit(127)
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plugin = MonitoringPlugin(
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pluginname='check_apaches',
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tagforstatusline='APACHE',
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description='Check Apache workers',
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version='0.1',
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)
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plugin.add_cmdlineoption('-H', '', 'host', 'Hostname/IP to check', default='localhost')
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plugin.add_cmdlineoption('-p', '', 'port', 'port to connect', default=None)
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plugin.add_cmdlineoption('-P', '', 'proto', 'protocol to use', default='http')
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plugin.add_cmdlineoption('-u', '', 'url', 'path to "server-status"', default='/server-status')
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plugin.add_cmdlineoption('-a', '', 'httpauth', 'HTTP Username and Password, separated by ":"')
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plugin.add_cmdlineoption('-w', '', 'warn', 'warning thresold', default='20')
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plugin.add_cmdlineoption('-c', '', 'crit', 'warning thresold', default='50')
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plugin.add_cmdlineoption('', '--statistics', 'statistics', 'Output worker statistics', action='store_true')
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plugin.parse_cmdlineoptions()
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if plugin.options.proto not in ['http', 'https']:
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plugin.back2nagios(3, 'Unknown protocol "' + plugin.options.proto + '"')
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if not plugin.options.port:
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if plugin.options.proto == 'https':
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plugin.options.port = '443'
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else:
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plugin.options.port = '80'
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url = plugin.options.proto + '://' + plugin.options.host + ':' + plugin.options.port + '/' + plugin.options.url + '?auto'
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plugin.verbose(1, 'Status URL: ' + url)
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if plugin.options.httpauth:
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httpauth = plugin.options.httpauth.split(':')
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if len(httpauth) != 2:
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plugin.back2nagios(3, 'Wrong format of authentication data! Need "USERNAME:PASSWORD", got "' + plugin.options.httpauth + '"')
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passman = urllib.request.HTTPPasswordMgrWithDefaultRealm()
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passman.add_password(None, url, httpauth[0], httpauth[1])
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authhandler = urllib.request.HTTPBasicAuthHandler(passman)
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opener = urllib.request.build_opener(authhandler)
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urllib.request.install_opener(opener)
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try:
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data = urllib.request.urlopen(url).read()
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except urllib.error.HTTPError as e:
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plugin.back2nagios(2, 'Could not read data! ' + str(e))
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except urllib.error.URLError as e:
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plugin.back2nagios(2, 'Could not connect to server!')
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data = data.decode()
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plugin.verbose(2, 'Got data:')
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plugin.verbose(2, data)
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try:
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idle = int(re.search('Idle(?:Workers|Servers): (\d+)\n', data).group(1))
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busy = int(re.search('Busy(?:Workers|Servers): (\d+)\n', data).group(1))
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except:
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plugin.back2nagios(2, 'Could not analyze data!')
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states = None
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if plugin.options.statistics:
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scoreboard = re.search('Scoreboard: (.*)\n', data)
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if scoreboard:
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states = {'_':0, 'S':0, 'R':0, 'W':0, 'K':0, 'D':0, 'C':0, 'L':0, 'G':0, 'I':0, '.':0,}
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for worker in scoreboard.group(1):
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states[worker] += 1
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plugin.add_multilineoutput(str(states['_']) + ' waiting for connection')
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plugin.add_multilineoutput(str(states['S']) + ' starting up')
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plugin.add_multilineoutput(str(states['R']) + ' reading request')
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plugin.add_multilineoutput(str(states['W']) + ' writing/sending reply')
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plugin.add_multilineoutput(str(states['K']) + ' keepalive')
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plugin.add_multilineoutput(str(states['D']) + ' looking up in DNS')
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plugin.add_multilineoutput(str(states['C']) + ' closing connection')
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plugin.add_multilineoutput(str(states['L']) + ' logging')
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plugin.add_multilineoutput(str(states['G']) + ' gracefully finishing')
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plugin.add_multilineoutput(str(states['I']) + ' idle cleanup of worker')
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plugin.add_multilineoutput(str(states['.']) + ' open slots(up to ServerLimit)')
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returncode = plugin.value_wc_to_returncode(busy, plugin.options.warn, plugin.options.crit)
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plugin.add_output(str(busy) + ' busy workers, ' + str(idle) + ' idle')
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plugin.add_returncode(returncode)
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plugin.format_add_performancedata('busy', busy, '', warn=plugin.options.warn, crit=plugin.options.crit, min=0.0)
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plugin.format_add_performancedata('idle', idle, '')
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plugin.exit()
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