[Openstack] Agent out of sync with plugin!
Gary Kotton
gkotton at redhat.com
Tue Mar 12 14:02:10 UTC 2013
On 03/12/2013 01:35 PM, Greg Chavez wrote:
> Logan, thanks for your reply. I've been very conscientious of NTP, so
> I'm very confident that that is not an issue.
>
> Gary: so in this case the "agent"= quantum-plugin-openvswitch-agent
"agent"== quantum-plugin-openvswitch-agent - yes
> , and "plugin" = quantum-server.
"plugin" == quantum-server - yes. The quantum service runs the plugin.
> That's confusing. And what you're saying is that the ovs
> plugin/agent - whatever it is - is simply stating that it assumes it's
> out of sync since it's starting up, and it's going to phone home. Is
> that right? Thanks!
Yes, that is correct. Even the first time that it starts it is out of
sync :)
>
>
> On Tue, Mar 12, 2013 at 3:18 AM, Gary Kotton <gkotton at redhat.com
> <mailto:gkotton at redhat.com>> wrote:
>
> On 03/12/2013 12:13 AM, Greg Chavez wrote:
>>
>> So I'm setting up Folsom on Ubuntu 12.10, using the Github Folsom
>> Install Guide:
>>
>> https://github.com/mseknibilel/OpenStack-Folsom-Install-guide/blob/master/OpenStack_Folsom_Install_Guide_WebVersion.rst
>>
>> After following the steps to instantiate the network node, I'm
>> left with 3 new but downed OVS bridges, and three error-filled
>> logs for ovs-plugin, dhcp-agent, and l3-agent. I rectify it with
>> this:
>>
>> http://pastebin.com/L43d9q8a
>>
>> When I restart the networking and then restart the plugin and
>> agents, everything seems to work, but I'm getting this strange
>> INFO message in /var/log/quantum/openvswitch-agent.log:
>>
>> 2013-03-11 17:48:02 INFO
>> [quantum.plugins.openvswitch.agent.ovs_quantum_agent] Agent out
>> of sync with plugin!
>>
>> I traced it to this .py file:
>>
>> https://github.com/openstack/quantum/blob/master/quantum/plugins/openvswitch/agent/ovs_quantum_agent.py
>>
>> Now I realize that this is and INFO message, not an error. But I
>> would still like to know what this means. Thanks!
>
> The Quantum agents need to retrieve the port data from the Quantum
> service. When the agents start this is done automatically (hence
> the message that you have seen). This can also happen if there is
> an exception in the agent or if the agent is unable to communicate
> with the service - for example there is a problem with the
> connection between the agent and the service (link down, etc).
>
>>
>> --
>> \*..+.-
>> --Greg Chavez
>> +//..;};
>>
>>
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>
>
>
>
> --
> \*..+.-
> --Greg Chavez
> +//..;};
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