[OpenStack-Ansible][Neutron] Guide for Openstack installation with HA, OVN ?

Dmitriy Rabotyagov noonedeadpunk at gmail.com
Wed Jul 13 14:58:42 UTC 2022


Well, documentation and examples you're referring to considers mostly using
lxb or ovs for deployment. We have more network scenarios described in
os_netron documentation. Specifically OVN-related doc is placed here:

It also mentions commands on how to verify the state of the deployment.

For OSA default setup you can also check some diagrams here that might be
helpful in understanding deployment description and would actually answer
on question "Why":

ср, 13 июл. 2022 г. в 15:01, Dave Hall <kdhall at binghamton.edu>:

> Hello.
> I would like to extend Park's question with a specific question of my own
> that could be used as an example the 'first time deployer'  experience.
>  My question is about Neutron deployment as it is specified in the various
> openstack_user_config.yml examples.
> openstack_user_config.yml.prod.example declares network-infra_hosts and
> network-agent_hosts, whereas openstack_user_config.yml.singlebond.example
> only declares network_hosts.
> For the novice trying to choose which example file to customize for our
> deployment, the following concerns arise:
>    - If I use network_hosts, does that deploy both the infra and the
>    agent on each network_host?
>    - If I use network-infra_hosts and network-agent_hosts, but give both
>    the same set of host names/IPs, will it deploy correctly and produce a
>    working Neutron service?
>    - If I successfully deploy a smaller cluster using network_hosts, and
>    then grow my cluster, what criteria indicate the point at which I need to
>    switch to infra_hosts and agent_hosts, and how many of each should I deploy?
> In reading through the Neutron documentation, I see some 'what' and some
> 'how', but very little 'why'.    Perhaps a section titled 'Practical
> Deployment Considerations'?
> At this point I just want to know how to make Neutron deployment work
> right and how to be able to tell, after deployment, that it is working
> right.
> Thanks.
> -Dave
> --
> Dave Hall
> Binghamton University
> kdhall at binghamton.edu
> On Wed, Jul 13, 2022 at 1:46 AM 박경원 <park0kyung0won at dgist.ac.kr> wrote:
>> Hello
>> I've tried minimal installation of openstack following official
>> documentation
>> Now I want to install openstack with
>> 1. High availability configuration - keystone, placement, neutron,
>> glance, cinder, ...
>> 2. Open Virtual Network for neutron driver
>> But it's hard to find documentation online
>> Could you provide some links for the material?
>> Thank you!
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