103 lines
3.9 KiB
Python
Executable file
103 lines
3.9 KiB
Python
Executable file
#!/usr/bin/python
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# -*- encoding: utf-8 -*-
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from monitoringplugin import MonitoringPlugin
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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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plugin = MonitoringPlugin(pluginname='check_tl500', tagforstatusline='TL500', description='Check TL500 environment sensors', version='0.1')
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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: 600 seconds/10 minutes)', type="int", default=600)
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plugin.add_cmdlineoption('-p', '', 'path', 'path to data files', default='/tmp')
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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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# Convert all sensor ids to long
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for idx in xrange(len(plugin.options.sensorid)):
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try:
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plugin.options.sensorid[idx] = long(plugin.options.sensorid[idx])
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except ValueError:
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plugin.back2nagios(3, 'Sensor id "%s" must be numeric!' % plugin.options.sensorid[idx])
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plugin.options.sensorid.sort()
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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'Sensor:\s*([0-9A-Za-z]+)\s+Raw:\s*(-?[0-9\.]+)?\s+Value:\s*(-?[0-9\.]+)\s+Unit:\s*(\S+)$')
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for sensorid in plugin.options.sensorid:
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filename = os.path.join(plugin.options.path, 'tl-500_%s' % sensorid)
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try:
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plugin.verbose(3, 'Reading sensor %s' % sensorid)
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data = file(filename).read().lstrip().rstrip()
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except IOError:
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plugin.back2nagios(3, 'Could not read file "%s"' % filename)
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plugin.verbose(2, 'Read line: %s' % data)
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plugin.verbose(2, 'Checking age of file')
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readtime = os.path.getmtime(filename)
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fileage = time.time() - readtime
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if fileage > plugin.options.maxage:
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plugin.add_output('Data of sensor "%s" to old' % sensorid)
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plugin.add_returncode(3)
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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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result = searchpattern.search(data)
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if result:
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sensor_type = None
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(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 == '\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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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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else:
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plugin.verbose(2, 'No data found for sensor %s' % sensorid)
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plugin.exit()
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