147 lines
6.2 KiB
Python
Executable file
147 lines
6.2 KiB
Python
Executable file
#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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#####################################################################
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# (c) 2010-2011 by Sven Velt and team(ix) GmbH, Nuernberg, Germany #
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# sv@teamix.net #
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# #
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# This file is part of "team(ix) Monitoring Plugins" #
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# URL: http://oss.teamix.org/projects/monitoringplugins/ #
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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 datetime
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import time
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import os
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import re
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import sys
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try:
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from monitoringplugin 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 "monitoringplugin.py"!\n'
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print 'Did you download "%s"' % os.path.basename(sys.argv[0])
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print 'without "monitoringplugin.py"?\n'
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print 'Please go back to'
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print 'http://oss.teamix.org/projects/monitoringplugins/ and download it,'
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print 'or even better:'
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print 'get a hole archive at http://oss.teamix.org/projects/monitoringplugins/files\n'
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sys.exit(127)
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plugin = MonitoringPlugin(pluginname='check_sensors', tagforstatusline='Sensors', description='Check environment sensors', version='0.2')
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plugin.add_cmdlineoption('-s', '', 'sensorid', '(comma separated list of) sensor id(s), no spaces', default=None)
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plugin.add_cmdlineoption('-m', '', 'maxage', 'maximum age of data files (default: 900 seconds/15 minutes)', type="int", default=900)
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plugin.add_cmdlineoption('-p', '', 'path', 'path to data files', default='/tmp')
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plugin.add_cmdlineoption('-b', '', 'basefilename', 'base of sensor file name', default='sensor_')
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plugin.add_cmdlineoption('-w', '', 'tempwarn', 'warning thresold for temperature sensors', default=None)
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plugin.add_cmdlineoption('-c', '', 'tempcrit', 'critical thresold for temperature sensors', default=None)
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plugin.add_cmdlineoption('-W', '', 'humwarn', 'warning thresold for humidity sensors', default=None)
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plugin.add_cmdlineoption('-C', '', 'humcrit', 'critical thresold for humidity sensors', default=None)
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plugin.parse_cmdlineoptions()
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# No sensor id
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if not plugin.options.sensorid:
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plugin.back2nagios(3, 'Need at least one sensor id!')
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# Make list of sensor ids
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if ',' in plugin.options.sensorid:
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plugin.options.sensorid = plugin.options.sensorid.split(',')
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else:
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plugin.options.sensorid = [plugin.options.sensorid,]
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# Check all sensor ids are hex
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re_hex = re.compile('^[0-9A-Fa-f]+$')
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for sid in plugin.options.sensorid:
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if not re_hex.search(sid):
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plugin.back2nagios(3, 'Sensor id "%s" must be integer or hex!' % sid)
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plugin.verbose(1, 'Sensor id(s): ' + ' - '.join([str(s) for s in plugin.options.sensorid]))
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searchpattern = re.compile(r'(\d+)\s+Sensor:\s*([0-9A-Za-z]+)\s+Raw:\s*(-?[0-9\.]+)?\s+Value:\s*(-?[0-9\.]+)\s+Unit:\s*(\S+)\b')
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for sensorid in plugin.options.sensorid:
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filename = os.path.join(plugin.options.path, '%s%s' % (plugin.options.basefilename, sensorid))
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try:
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plugin.verbose(2, 'Reading sensor %s' % sensorid)
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data = file(filename).readlines()
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except IOError:
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plugin.back2nagios(3, 'Could not read file "%s"' % filename)
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if plugin.options.verbose >= 3:
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plugin.verbose(3, 'Read line(s):' % data)
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for line in data:
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plugin.verbose(3, '--> ' + line.lstrip().rstrip())
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plugin.verbose(2, 'Checking age of file')
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fileage = time.time() - os.path.getmtime(filename)
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if fileage > plugin.options.maxage:
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returncode = 3
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plugin.add_output('Data of sensor "%s" to old' % sensorid)
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plugin.add_multilineoutput('%s %s because of file age: %s, limit: %s' % (sensorid, plugin.RETURNSTRINGS[returncode], plugin.seconds_to_timedelta(fileage), plugin.seconds_to_timedelta(plugin.options.maxage)))
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plugin.add_returncode(returncode)
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plugin.verbose(2, 'File to old, age: %s but only %s seconds allowed'% (long(fileage), plugin.options.maxage))
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else:
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plugin.verbose(2, 'File age OK, age: %s and %s seconds are allowed'% (long(fileage), plugin.options.maxage))
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valuesinfile = 0
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for line in data:
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result = searchpattern.search(line)
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if result:
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sensor_type = None
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(readtime, sid, raw, value, unit) = result.groups()
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readtime = datetime.datetime.fromtimestamp(long(readtime))
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readtime = readtime.isoformat(' ')
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if unit in ['degC', '\xc2\xb0C']:
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sensor_type = 'temp'
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sensor_name = 'temp_' + str(sensorid)
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warn = plugin.options.tempwarn
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crit = plugin.options.tempcrit
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unit = 'C'
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pdunit = ''
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elif unit == '%RH':
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sensor_type = 'hum'
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sensor_name = 'hum_' + str(sensorid)
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warn = plugin.options.humwarn
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crit = plugin.options.humcrit
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pdunit = '%'
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if sensor_type:
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valuesinfile += 1
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returncode = plugin.value_wc_to_returncode(float(value), warn, crit)
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if returncode == 0:
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plugin.add_output('%s: %s%s' % (sensor_name, value, unit))
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else:
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plugin.add_output('%s: %s %s%s' % (sensor_name, plugin.RETURNSTRINGS[returncode], value, unit))
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plugin.add_returncode(returncode)
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plugin.add_multilineoutput('%s %s: %s%s (%s)' % (sensor_name, plugin.RETURNSTRINGS[returncode], value, unit, readtime))
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plugin.format_add_performancedata(sensor_name, value, pdunit, warn=warn, crit=crit)
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else:
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plugin.verbose(1, 'Unknown sensor type "%s" on %s' % (unit, sensorid))
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if valuesinfile == 0:
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plugin.verbose(2, 'No data found for sensor %s' % sensorid)
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plugin.exit()
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