Open Stack

That's effectively my understanding.

On Fri, May 13, 2016 at 9:51 AM, Matthew Thode <prometheanfire at gentoo.org>
wrote:

> On 05/13/2016 01:59 PM, Joshua Harlow wrote:
> > Matthew Thode wrote:
> >> On 05/13/2016 12:48 PM, Joshua Harlow wrote:
> >>>>> * 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?)
> >>>
> >>
> >> The main difference is that openstack-ansible uses more heavy weight
> >> containers from a common base (ubuntu 14.04 currently, 16.04/cent
> >> 'soon'), it then builds on top of that, uses python virtualenvs as well.
> >>   Kolla on the other hand creates the container images centrally and
> >> ships them around.
> >
> > So I guess its like the following (correct me if I am wrong):
> >
> > openstack-ansible
> > -----------------
> >
> > 1. Sets up LXC containers from common base on deployment hosts (ansible
> > here to do this)
> > 2. Installs things into those containers (virtualenvs, packages, git
> > repos, other ... more ansible)
> > 3. Connects all the things together (more more ansible).
> > 4. Decommissions existing container (if it exists) and replaces with new
> > container (more more more ansible).
> > 5. <<profit>>
> >
>
> More or less, we do in place upgrades, so long lived containers, but
> could just as easily destroy and replace.
>
> > kolla
> > -----
> >
> > 1. Builds up (installing things and such) *docker* containers outside of
> > deployment hosts (say inside jenkins) [not ansible]
> > 2. Ships built up containers to *a* docker hub
> > 3. Ansible then runs commands on deployment hosts to download image from
> > docker hub
> > 4. Connects all the things together (more ansible).
> > 5. Decommissions existing container (if it exists) and replaces with new
> > container (more more ansible).
> > 6. <<profit>>
> >
> > Yes the above is highly simplistic, but just trying to get a feel for
> > the different base steps here ;)
> >
>
> I think so? not sure as I don't work with kolla
>
> >>
> >> The other thing to note is that Kolla has not done a non-greenfield
> >> upgrade as far as I know, I know it's on their roadmap though.
> >>
>
>
> --
> -- Matthew Thode (prometheanfire)
>
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