98 lines
2.5 KiB
Python
98 lines
2.5 KiB
Python
#!/usr/bin/env python
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'''
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Nagios compatible plugin to check Apache Modjk
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requires
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- Python >= 2.6
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- status worker enable
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'''
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from optparse import OptionParser
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import urllib2
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import re
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EXIT_CODE = {
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'OK': 0,
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'WARN': 1,
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'CRIT': 2,
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'UNKNOWN': 3,
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}
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def prepare_opts():
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'''
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Parse option from the shell
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'''
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def help():
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print 'How many workers are in OK state and Activated'
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print ''
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parser.print_help()
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def err( string ):
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print 'Error: {0}'.format( string )
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help()
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exit(1)
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parser = OptionParser()
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parser.add_option('-u', '--url', dest='url', type='string', help='modjk status worker url')
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parser.add_option('-c', '--critical', dest='critical', type='int', help='warning threshold', default=-1)
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parser.add_option('-w', '--warning', dest='warning', type='int', help='critical threshold', default=-1)
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parser.add_option('-t', '--timeout', dest='timeout', type='float', help='how many seconds to wait for each http request', default=5)
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(opts, args) = parser.parse_args()
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# Input Validation
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if not opts.url:
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err('missing Modjk Status http url')
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if opts.warning < opts.critical:
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err('-w can not be smaller than -c')
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if opts.warning < 0 or opts.critical < 0:
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err('-w and -c must be a positive number')
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return opts
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def get_error_workers(url, timeout):
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'''
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Query the Modjk status worker for bad workers
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'''
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get_node = re.compile(r'Member: name=(.*) type=')
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ret = set([])
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total = 0
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response = urllib2.urlopen(url+'?mime=txt', timeout=timeout).read()
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for member in re.findall( r'^Member: .*', response, re.M):
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total += 1
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if 'state=OK' in member and 'activation=ACT' in member:
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ret.add(
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get_node.search(member).groups(0)[0]
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)
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return (list(ret), total)
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if __name__ == '__main__':
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opts = prepare_opts()
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try:
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(errorWorkers, total) = get_error_workers(
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opts.url, opts.timeout
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)
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except urllib2.URLError as e:
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print 'UNKNOWN: Cant query jkstatus worker for data'
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exit(EXIT_CODE['UNKNOWN'])
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count = len(errorWorkers)
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state = ''
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if count > opts.warning or (opts.warning == 1 and count == 1):
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state = 'OK'
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elif opts.warning >= count > opts.critical:
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state = 'WARN'
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else:
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state = 'CRIT'
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print '{0}: {1}/{2} workers are OK and ACT {3}'.format(
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state, count, total, ','.join(errorWorkers)
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)
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exit(EXIT_CODE[state])
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