Open Stack

Dear all,
 
    As the project named ceilometer appeared,I paid close attention to it.
    According to the docs of ceilometer,I deploied it in openstack exsse environment.
    While,I cannot start the ceilometer collector and agent.
    
    The follows are my operations.
    
    1.Install openstack nova ,mongodb and ceilometer.
    2.configurate nova ,mongodb and ceilometer
    
    The /etc/nova/nova.conf file is here:
    http://pastebin.com/sW5d8eRv 
    
    Here is the /etc/ceilometer-collector.conf file is here:
    http://pastebin.com/u5vH22Lh 
    
    And the /etc/mongodb.conf is here:
    http://pastebin.com/D5GMkLsb 
    
    3.Start openstack nova ,mongodb
    
    4.Then I start the ceilometer-collector
    /usr/bin/ceilometer-collector start
    While,some errors occurred:
    
    2012-07-11 05:25:35 INFO ceilometer.storage [-] Loaded mongodb storage engine EntryPoint.parse('mongodb = ceilometer.storage.impl_mongodb:MongoDBStorage')
    2012-07-11 05:25:35 INFO ceilometer.storage [-] Loaded mongodb storage engine EntryPoint.parse('mongodb = ceilometer.storage.impl_mongodb:MongoDBStorage')
    2012-07-11 05:25:35 INFO ceilometer.storage.impl_mongodb [-] connecting to MongoDB on localhost:27017
    2012-07-11 05:25:35 INFO ceilometer.collector.dispatcher [-] attempting to load notification handler for ceilometer.collector.compute:instance
    2012-07-11 05:25:35 INFO ceilometer.collector.dispatcher [-] subscribing instance handler to compute.instance.create.end events
    2012-07-11 05:25:35 INFO ceilometer.collector.dispatcher [-] subscribing instance handler to compute.instance.exists events
    2012-07-11 05:25:35 INFO ceilometer.collector.dispatcher [-] subscribing instance handler to compute.instance.delete.start events
    Traceback (most recent call last):
      File "/usr/lib/python2.6/site-packages/eventlet/hubs/poll.py", line 97, in wait
        readers.get(fileno, noop).cb(fileno)
      File "/usr/lib/python2.6/site-packages/eventlet/greenthread.py", line 192, in main
        result = function(*args, **kwargs)
      File "/usr/lib/python2.6/site-packages/nova/service.py", line 101, in run_server
        server.start()
      File "/usr/lib/python2.6/site-packages/nova/service.py", line 162, in start
        self.manager.init_host()
      File "/usr/lib/python2.6/site-packages/ceilometer-0-py2.6.egg/ceilometer/collector/manager.py", line 69, in init_host
        topic='%s.info' % flags.FLAGS.notification_topics[0],
      File "/usr/lib/python2.6/site-packages/nova/openstack/common/cfg.py", line 867, in __getattr__
        return self._substitute(self._get(name))
      File "/usr/lib/python2.6/site-packages/nova/openstack/common/cfg.py", line 1070, in _get
        info = self._get_opt_info(name, group)
      File "/usr/lib/python2.6/site-packages/nova/openstack/common/cfg.py", line 1161, in _get_opt_info
        raise NoSuchOptError(opt_name, group)
    NoSuchOptError: no such option: notification_topics
    Removing descriptor: 12
 
    If anyone can help me ? Waiting your reply. Thanks !
 
   ------------------
   Best Regards
  
 ZhangJialong
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