That's effectively my understanding. On Fri, May 13, 2016 at 9:51 AM, Matthew Thode <prometheanf...@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) > > _______________________________________________ > OpenStack-operators mailing list > OpenStack-operators@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators >
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