<div><font face="arial, sans-serif">Hi-</font></div><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">Please help troubleshoot the issue</font></div><div><font face="arial, sans-serif"><br>
</font></div><div><font face="arial, sans-serif">I have written a fake agent with the study from the dhcp agent.</font></div><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">The rpc agent daemon is running with the below errors.</font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">But I have missed some bits of information with respect to the rpc communication.</font></div><div><font face="arial, sans-serif"><br>
</font></div><div><font face="arial, sans-serif">In the log, I have the following errors.</font></div><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">2012-10-31 16:14:38 INFO [quantum.agent.fake_compute_agent] Synchronizing state</font></div>
<div><font face="arial, sans-serif">2012-10-31 16:14:38 DEBUG [quantum.openstack.common.rpc.amqp] Making asynchronous call on q-plugin ...</font></div><div><font face="arial, sans-serif">2012-10-31 16:14:38 DEBUG [quantum.openstack.common.rpc.amqp] MSG_ID is 28887aedcb4a469199950992e92e5710</font></div>
<div><font face="arial, sans-serif">2012-10-31 16:14:38 DEBUG [amqplib] Closed channel #1</font></div><div><font face="arial, sans-serif">2012-10-31 16:14:38 DEBUG [amqplib] using channel_id: 1</font></div><div><font face="arial, sans-serif">2012-10-31 16:14:38 DEBUG [amqplib] Channel open</font></div>
<div><font face="arial, sans-serif">2012-10-31 16:14:38 ERROR [quantum.agent.fake_compute_agent] [FakeComputeAgent] Unable to sync network state.</font></div><div><font face="arial, sans-serif">Traceback (most recent call last):</font></div>
<div><font face="arial, sans-serif"> File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/agent/fake_compute_agent.py", line 91, in sync_state</font></div><div><font face="arial, sans-serif"> get_host_instances_info = set(self.plugin_rpc.get_host_instances_info())</font></div>
<div><font face="arial, sans-serif"> File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/agent/fake_compute_agent.py", line 131, in get_host_instances_info</font></div><div><font face="arial, sans-serif"> topic=self.topic)</font></div>
<div><font face="arial, sans-serif"> File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/openstack/common/rpc/proxy.py", line 83, in call</font></div><div><font face="arial, sans-serif"> return rpc.call(context, self._get_topic(topic), msg, timeout)</font></div>
<div><font face="arial, sans-serif"> File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/openstack/common/rpc/__init__.py", line 102, in call</font></div><div><font face="arial, sans-serif"> return _get_impl().call(cfg.CONF, context, topic, msg, timeout)</font></div>
<div><font face="arial, sans-serif"> File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/openstack/common/rpc/impl_kombu.py", line 712, in call</font></div><div><font face="arial, sans-serif"> rpc_amqp.get_connection_pool(conf, Connection))</font></div>
<div><font face="arial, sans-serif"> File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/openstack/common/rpc/amqp.py", line 380, in call</font></div><div><font face="arial, sans-serif"> rv = list(rv)</font></div>
<div><font face="arial, sans-serif"> File "/usr/local/lib/python2.7/dist-packages/quantum-2012.2-py2.7.egg/quantum/openstack/common/rpc/amqp.py", line 336, in __iter__</font></div><div><font face="arial, sans-serif"> raise result</font></div>
<div><font face="arial, sans-serif">RemoteError: Remote error: AttributeError No such RPC function 'get_host_instances_info'</font></div><div><font face="arial, sans-serif">[u'Traceback (most recent call last):\n', u' File "/usr/lib/python2.7/dist-packages/quantum/openstack/common/rpc/amqp.py", line 275, in _process_data\n rval = self.proxy.dispatch(ctxt, version, method, **args)\n', u' File "/usr/lib/python2.7/dist-packages/quantum/openstack/common/rpc/dispatcher.py", line 148, in dispatch\n raise AttributeError("No such RPC function \'%s\'" % method)\n', u"AttributeError: No such RPC function 'get_host_instances_info'\n"].</font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">The error is " AttributeError No such RPC function 'get_host_instances_info' "</font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">I have written the method to support the agents method, by following the DHCP agent method "get_active_networks".</font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">The following files are modified by adding the RPC function method.</font></div><div><font face="arial, sans-serif"><br></font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">db/db_base_plugin_v2.py:1268: def _get_host_instances_info(self,context,filters=None,fields=None):</font></div><div><font face="arial, sans-serif">db/fakecompute_rpc_base.py:47: def get_host_instances_info(self, context, **kwargs):</font></div>
<div><font face="arial, sans-serif">db/fakecompute_rpc_base.py:50: LOG.debug('[FakeComputeCallbackMixin] get_host_instances_info :: Getting instances info for host %s.....', host)</font></div><div><font face="arial, sans-serif">db/fakecompute_rpc_base.py:55: return plugin.get_host_instances_info(context, filters=filters)</font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">Being a newbee for this code base, Unable to plot what is the BIT that is missing in this rpc communication.</font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">Please help me to troubleshoot this issue.</font></div><div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">Thanks in advance...</font></div>
<div><font face="arial, sans-serif"><br></font></div><div><font face="arial, sans-serif">-</font></div><div><font face="arial, sans-serif">Trinath</font></div>