[Openstack-operators] [OpenStack-Operators][OpenStack] Regarding production grade OpenStack deployment

Amit Kumar ebiibe82 at gmail.com
Fri May 18 18:59:52 UTC 2018


Thanks for sharing your experience.

I am talking about HA of only OpenStack services and not the hosted
applications or the OpenStack instances they are hosted on. So, for now it
is not the requirement.

But from your response, it seems that you have deployed OpenStack with
Kolla-Ansible in multi node, multi-Controller architecture, right? And any
experience with Kolla-Ansible from OpenStack release upgrade perspective?
Is ZDT of OpenStack services feasible while upgrading?


On May 18, 2018 5:48 PM, "Flint WALRUS" <gael.therond at gmail.com> wrote:

Hi amit,

I’m using kolla-ansible as a solution on our own infrastructure, however,
be aware that because of the nature of Openstack you wont be able to
achieve zero downtime if your hosted application do not take advantage of
the distributed natre of ressources or if they’re not basically Cloud ready.

Le ven. 18 mai 2018 à 12:47, Amit Kumar <ebiibe82 at gmail.com> a écrit :

> Hi All,
> We want to deploy our private cloud using OpenStack as highly available
> (zero downtime (ZDT) - in normal course of action and during upgrades as
> well) production grade environment. We came across following tools.
>    - We thought of using *Kolla-Kubernetes* as deployment tool, but we
>    got feedback from Kolla IRC channel that this project is being retired.
>    Moreover, we couldn't find latest documents having multi-node deployment
>    steps and, High Availability support was also not mentioned at all anywhere
>    in the documentation.
>    - Another option to have Kubernetes based deployment is to use
>    OpenStack-Helm, but it seems the OSH community has not made OSH 1.0
>    officially available yet.
>    - Last option, is to use *Kolla-Ansible*, although it is not a
>    Kubernetes deployment, but seems to have good community support around it.
>    Also, its documentation talks a little about production grade deployment,
>    probably it is being used in production grade environments.
> If you folks have used any of these tools for deploying OpenStack to
> fulfill these requirements: HA and ZDT, then please provide your inputs
> specifically about HA and ZDT support of the deployment tool, based on your
> experience. And please share if you have any reference links that you have
> used for achieving HA and ZDT for the respective tools.
> Lastly, if you think we should think that we have missed another more
> viable and stable options of deployment tools which can serve our
> requirement: HA and ZDT, then please do suggest the same.
> Regards,
> Amit
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> OpenStack-operators at lists.openstack.org
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