Re: Adding a compute node and quantum configurations

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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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