[Openstack-operators] [kolla] Moving from distro packages to containers (or virtualenvs...)
Tim.Bell at cern.ch
Fri May 13 18:15:45 UTC 2016
On 13/05/16 19:48, "Joshua Harlow" <harlowja at fastmail.com> wrote:
>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)?
Is there some documentation from Kolla on how we could move from a classic RPM/APT based deployment to containers ?
Would be an interesting read (asking for a friend, of course)
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