Adding a compute node and quantum configurations

[Gary Kotton]

On 11/20/2012 01:47 PM, Nux! wrote:
> On 20.11.2012 11:26, Gary Kotton wrote:
>> Hi,
>> Please see my inline.
>> Thanks
>> Gary
>
> Wow, that's great!
>
> So to conclude, when adding a compute node we need to run the 
> following services:
> openstack-nova-compute
> openstack-nova-api

I am not 100% sure about the nova api. Maybe others from Nova can chime 
in here.
> quantum-openvswitch-agent

You will also need to ensure that you OVS is up and running on the host

>
> Looking at the script I see it's not dealing with chkconfig so we must 
> do it manually.

Yes (this is similar with the other services)
>
>
>>
>> On 11/20/2012 01:14 PM, Nux! wrote:
>>> Hello,
>>>
>>> The quantum network side is not covered in 
>>> https://fedoraproject.org/wiki/Getting_started_with_OpenStack_EPEL#Adding_a_Compute_Node 
>>> so I'm trying to clarify this.
>>>
>>> On a second node I've followed the instructions in the wiki minus 
>>> the network obviously since I'm running quantum+openvswitch 
>>> (hybrid). I'm applying some of the instructions found here:
>>> https://fedoraproject.org/wiki/QA:Testcase_Quantum_V2#Setup but when 
>>> I'm doing "quantum-server-setup --plugin openvswitch" it's asking me 
>>> to install mysql, the scripts should be modified to also ask if 
>>> there's a DB running elsewhere (i.e. on the controller).
>>
>> You do not need to install and run the Quantum service again. This
>> only needs to be run once on a "controller node"
>>
>> On the compute node you need only to run the Quantum agent. Please
>> note that there is a utility script that you can use:
>> quantum-node-setup
>>
>> Thanks
>> Gary
>>
>>> Anyway, I let it do its thing, install mysql and setup nova.conf, 
>>> then modified nova.conf with the quantum section from the 
>>> controller's nova.conf. Now my question is - in this case 
>>> quantum_admin_auth_url and quantum_url on the node should they point 
>>> to localhost or to the controller's address?
>>>
>>> I'm thinking quantum_admin_auth_url should point to the keystone 
>>> service on the controller's IP and quantum_url should be 
>>> http://localhost:9696/?
>>>
>>> Additionally:
>>>
>>> quantum.conf - qpid_hostname should point to the controller's IP
>>
>> This is done by the abovementioned script
>>> quantum/api-paste.ini - [filter:authtoken] auth_host should be the 
>>> controller
>>
>> No need
>>> quantum/l3_agent.ini - auth_url should point to the controller
>>
>> No need - you only need one l3 agent
>>> plugins/openvswitch/ovs_quantum_plugin.ini - sql_connection should 
>>> be using the controller's mysql server
>>
>> This is tread by the script. Please note that there is no access from
>> the agent to the quantum database. This is done via the message
>> broker.
>>>
>>> Let me know if any of that is wrong or I missed some other settings 
>>> that should be notified.
>>>
>>> Regards,
>>> Lucian
>>>
>>>
>>
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>