[Openstack-operators] Moving from distro packages to containers (or virtualenvs...)

Joshua Harlow harlowja at fastmail.com
Fri May 13 17:48:37 UTC 2016


Matthew Thode wrote:
> On 05/12/2016 04:04 PM, Joshua Harlow wrote:
>> Hi there all-ye-operators,
>>
>> I am investigating how to help move godaddy from rpms to a
>> container-like solution (virtualenvs, lxc, or docker...) and a set of
>> questions that comes up is the following (and I would think that some
>> folks on this mailing list may have some useful insight into the answers):
>>
>> * Have you done the transition?
>>
>
> We've been using openstack-ansible since it existed, it's working well
> for us.
>
>> * How did the transition go?
>>
>
> It can be painful, but it's worked out in the long run.
>
>> * Was/is kolla used or looked into? or something custom?
>>
>
> Openstack-ansible, which is Openstack big-tent.  It used to be
> os-ansible-deployment in stackforge, but we've removed the rackspacisms.
>   I will say that openstack-ansible is one of the few that have been
> doing upgrades reliably for a while, since at least Icehouse, maybe further.

Whats the connection between 'openstack-ansible' and 'kolla', is there 
any (or any in progress?)

>
>> * How long did it take to do the transition from a package based
>> solution (with say puppet/chef being used to deploy these packages)?
>>
>>    * Follow-up being how big was the team to do this?
>
> Our team was somewhat bigger than most as we have many deployments and
> we had to do it from scratch.  If you CAN do it solo, but I'd recommend
> you have coverage / on call for whatever your requirements are.
>
>> * What was the roll-out strategy to achieve the final container solution?
>>
>
> For Openstack-ansible I'd recommend deploying a service at a time,
> migrating piecemeal.  You can migrate to the same release as you are on
> (I hope), though I'd recommend kilo or greater as upgrades can get
> annoying after a while.
>
>> Any other feedback (and/or questions that I missed)?
>>
>> Thanks,
>>
>> Josh
>>
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>
>



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