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Nagios check for Rabbit cluster partitioning
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#!/usr/bin/env python | |
""" | |
Nagios check to check RabbitMQ cluster for partitioning (split-brain) | |
""" | |
import json | |
import optparse | |
import logging | |
import requests | |
import sys | |
OK = 0 | |
WARNING = 1 | |
CRITICAL = 2 | |
UNKNOWN = 3 | |
LOGGER = logging.getLogger(__name__) | |
LOGGER.addHandler(logging.StreamHandler(sys.stdout)) | |
LOGGER.setLevel(logging.INFO) | |
parse = optparse.OptionParser() | |
parse.add_option('-s', '--server', type='string', dest='rmq_server', | |
help='RabbitMQ hostname') | |
parse.add_option('-u', '--user', type='string', dest='rmq_user', | |
help='RabbitMQ username', default='guest') | |
parse.add_option('-p', '--password', type='string', dest='rmq_pass', | |
help='RabbitMQ password', default='guest') | |
parse.add_option('-P', '--port', type='int', dest='rmq_port', | |
help='RabbitMQ port', default='15672') | |
(opts, args) = parse.parse_args() | |
# Require at least one argument | |
if not opts.rmq_server: | |
parse.print_help() | |
exit(OK) | |
try: | |
api_url = 'http://{0}:{1}@{2}:{3}/api/nodes/'.format( | |
opts.rmq_user, | |
opts.rmq_pass, | |
opts.rmq_server, | |
opts.rmq_port | |
) | |
data = requests.get(api_url).text | |
if not data: | |
LOGGER.info('UNKNOWN - No data returned from RabbitMQ') | |
exit(UNKNOWN) | |
if len(json.loads(data)[0]['partitions']) > 0: | |
LOGGER.info('CRITICAL - Partition detected') | |
exit(CRITICAL) | |
else: | |
LOGGER.info('OK - No partition detected') | |
exit(OK) | |
except requests.ConnectionError: | |
LOGGER.critical( | |
'CRITICAL - Error connecting to %s:%s', | |
opts.rmq_server, | |
opts.rmq_port | |
) | |
exit(CRITICAL) |
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