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
