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'''
RabbitMq监控脚本 v1.0
v1.1 监控channel的unacknowledged
v1.0 监控overview、queue
'''
import json
import urllib2
import os
import socket
import tempfile
import logging
import subprocess
import optparse
import time
logging.basicConfig(filename='/var/log/zabbix/rabbitmq_zabbix.log', level=logging.WARNNING, format='%(asctime)s %(levelname)s: %(message)s')
class RabbitMqApi(object):
''' 调用RabbitMQ的API类 '''
def __init__(self, user_name='guest', password='guest', host_name='192.168.55.241',
protocol='http', port=15672, senderhostname='ser01-rabbitmq',
zbconf='/etc/zabbix/zabbix_agentd.conf'):
self.user_name = user_name
self.password = password
self.host_name = host_name or socket.gethostname()
self.protocol = protocol
self.port = port
self.senderhostname = senderhostname if senderhostname else host_name
self.conf = zbconf
def call_api(self, path):
'''
All URIs will server only resource of type application/json,and will require HTTP basic authentication. The default username and password is guest/guest. /%sf is encoded for the default virtual host '/'
'''
url = '{0}://{1}:{2}/api/{3}'.format(self.protocol, self.host_name, self.port, path)
password_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
password_mgr.add_password(None, url, self.user_name, self.password)
handler = urllib2.HTTPBasicAuthHandler(password_mgr)
logging.debug('Issue a rabbit API call to get data on ' + url)
return json.loads(urllib2.build_opener(handler).open(url).read())
def call_api_queue(self, queue_name):
'''
get queue detail
'''
url = '{0}://{1}:{2}/api/queues/%2F/{3}'.format(self.protocol, self.host_name, self.port, queue_name)
password_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
password_mgr.add_password(None, url, self.user_name, self.password)
handler = urllib2.HTTPBasicAuthHandler(password_mgr)
logging.debug('Issue a rabbit API call to get data on ' + url)
return json.loads(urllib2.build_opener(handler).open(url).read())
def call_api_channel(self, channel_name):
'''
get channel detail
'''
url = '{0}://{1}:{2}/api/channels/{3}'.format(self.protocol, self.host_name, self.port, urllib2.quote(channel_name))
password_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
password_mgr.add_password(None, url, self.user_name, self.password)
handler = urllib2.HTTPBasicAuthHandler(password_mgr)
logging.debug('Issue a rabbit API call to get data on ' + url)
return json.loads(urllib2.build_opener(handler).open(url).read())
def _get_queue_data(self, queue, tmpfile):
for item in [ 'memory','messages','messages_ready','messages_unacknowledged','consumers','active_consumers' ]:
key = '"rabbitmq.queues[{0},queue_{1},{2}]"'.format(queue['vhost'], item, queue['name'])
value = queue.get(item, 0)
logging.debug("SENDER_DATA: - %s %s" % (key,value))
tmpfile.write("- %s %s\n" % (key, value))
for item in ['deliver_get', 'publish']:
key = '"rabbitmq.queues[{0},queue_message_stats_{1},{2}]"'.format(queue['vhost'], item, queue['name'])
value = queue.get('message_stats', {}).get(item, 0)
logging.debug("SENDER_DATA: - %s %s" % (key,value))
tmpfile.write("- %s %s\n" % (key, value))
def _send_queue_data(self, tmpfile):
'''Send the queue data to Zabbix.'''
'''Get key value from temp file. '''
args = '/usr/bin/zabbix_sender -c {0} -i {1}'
if self.senderhostname:
args = args + " -s " + self.senderhostname
return_code = 0
process = subprocess.Popen(args.format(self.conf, tmpfile.name),
shell=True, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = process.communicate()
logging.debug("Finished sending data")
return_code = process.wait()
logging.info("Found return code of " + str(return_code))
if return_code != 0:
logging.warning(out)
logging.warning(err)
else:
logging.debug(err)
logging.debug(out)
return return_code
def check_queue(self, queueName):
rdatafile = tempfile.NamedTemporaryFile(delete=False)
return_code = 0
queue = self.call_api_queue(queueName)
self._get_queue_data(queue, rdatafile)
self._get_channel_data(queue, rdatafile)
rdatafile.close()
return_code = self._send_queue_data(rdatafile)
os.unlink(rdatafile.name)
return return_code
def check_overview(self):
return_code = 0
rdatafile = tempfile.NamedTemporaryFile(delete=False)
queue = self.call_api('overview')
self._get_overview_data(queue, rdatafile)
rdatafile.close()
return_code = self._send_queue_data(rdatafile)
os.unlink(rdatafile.name)
return return_code
def _get_overview_data(self, queue, tmpfile):
for item in ['publish_details', 'ack_details', 'deliver_get_details']:
key = "rabbitmq.[{0},{1}_rate]".format(queue['node'], item)
value = queue.get('message_stats').get(item).get('rate', 0)
logging.debug("SENDER_DATA: - {0} {1:.2f}\n".format(key, value))
tmpfile.write("- {0} {1:.2f}\n".format(key, value))
for item in ['messages','messages_ready','messages_unacknowledged']:
key = "rabbitmq.[{0},{1}]".format(queue['node'], item)
value = queue.get('queue_totals').get(item,0)
logging.debug("SENDER_DATA: - %s %s" % (key,value))
tmpfile.write("- %s %s\n" % (key, value))
def _get_channel_data(self, queue, tmpfile):
'''
从queue获取queue name和channel name，组装zabbix的k-v并写进临时文件
'''
for ch_detail in queue['consumer_details']:
key = "rabbitmq.[{},{}]".format(queue['name'], ch_detail.get('channel_details').get('name','no_name'))
value = self._get_channel_ack(ch_detail.get('channel_details').get('name','no_name'))
logging.debug("SENDER_DATA: - %s %s" % (key,value))
tmpfile.write("- %s %s\n" % (key, value))
def _get_channel_ack(self, channel_name):
'''
使用api获取messages_unacknowledged值
'''
d = self.call_api_channel(channel_name)
return d['messages_unacknowledged']
def main():
'''Command-line parameters and decoding for Zabbix use/consumption.'''
parser = optparse.OptionParser()
parser.add_option('-u', '--username', help='RabbitMQ API username,default=guest',default='guest')
parser.add_option('-p', '--password', help='RabbitMQ API password,default=guest',default='guest')
parser.add_option('--mqhost', help='RabbitMQ API hostname,default=hostname',default=socket.gethostname())
parser.add_option('--protocol', help='RabbitMQ API protocol,default=http',default='http')
parser.add_option('--port', help='RabbitMQ API port,default=15672',default=15672)
parser.add_option('--host', help='Zabbix Host name which the item belongs to,no default')
parser.add_option('--conf', help='Zabbix agent configure file,default=/etc/zabbix/zabbix_agentd.conf',default='/etc/zabbix/zabbix_agentd.conf')
parser.add_option('--queue', help='RabbitMQ queue which you want to check,no default')
parser.add_option('-o','--overview', help='check RabbitMQ overview',action="store_true")
parser.add_option('-c','--count', help='How many times to execute command', type='int', default=1)
parser.add_option('-i','--interval', help='Command execute interval', type='int', default=0)
(options, args) = parser.parse_args()
if not options.host:
parser.error("请输入zabbix里定义的hostname")
elif (not options.queue and not options.overview):
parser.error("请指定-o或者--queue，选择检查mq总体指标或者某个队列指标")
logging.debug("Started trying to process data")
api = RabbitMqApi(user_name=options.username, password=options.password, host_name=options.mqhost,
protocol=options.protocol, port=options.port, senderhostname=options.host,
zbconf=options.conf)
cnt = 0
while cnt < options.count:
if options.overview:
api.check_overview()
time.sleep(options.interval)
elif options.queue:
api.check_queue(options.queue)
time.sleep(options.interval)
cnt += 1
if __name__ == '__main__':
main()
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