[Rdo-list] [RDO] deployment details about neutron

[Kun Huang]

Thanks Ihar

It is understandable to split neutron (API) server and L2 agent. But
is it necessary to deploy nova-compute and L2 agent on same node? That
reference doesn't explain the reason.

On Tue, Jun 17, 2014 at 6:11 PM, Ihar Hrachyshka <ihrachys at redhat.com> wrote:
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> Quoting [1], "L2 agent should run on all machines except for the
> Neutron service machine (unless Neutron service resides with other
> component in the same machine)." That's what you observe.
>
> [1]: http://openstack.redhat.com/Neutron_with_OVS_and_VLANs
>
> On 17/06/14 10:23, Kun Huang wrote:
>> I deployed a new cluster with above variables and l3 agent and
>> dhcp agent exists on expected nodes. But ovs agent is running on
>> each node. So the CONFIG_NEUTRON_OVS_HOST doesn't work.
>>
>> On Tue, Jun 17, 2014 at 2:40 PM, Kun Huang <gareth at openstacker.org>
>> wrote:
>>> hi all
>>>
>>> I have some questions about using RDO deploy neutron (based on
>>> ovs). I need:
>>>
>>> node1: - neutron server
>>>
>>> node2 (all others): - dhcp agent - ovs agent - l3 agent
>>>
>>> Now in my understanding, CONFIG_NEUTRON_SERVER_HOST manages
>>> neutron server, CONFIG_NEUTRON_DHCP_HOSTS manages dhcp agent,
>>> CONFIG_NEUTRON_L3_HOSTS manages l3 agent, and
>>> CONFIG_NEUTRON_OVS_HOST l2/ovs agent. Are those correct?
>>>
>>> Another question is after reading codes in neutron_350.py, I
>>> found CONFIG_NEUTRON_L3_HOSTS may not work, because of [0]. It is
>>> same about CONFIG_NEUTRON_OVS_HOST [1].
>>>
>>> So are there some principles like "l2 agent must be installed on
>>> same host with neutron server"
>>>
>>> [0]
>>> https://github.com/stackforge/packstack/blob/master/packstack/plugins/neutron_350.py#L803-L804
>>>
>>>
> [1]
> https://github.com/stackforge/packstack/blob/master/packstack/plugins/neutron_350.py#L913-L916
>>
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