On Sat, Apr 23, 2016 at 2:27 AM, Steven Dake (stdake) <[email protected]> wrote: > > Trying to understand the issue here, do you believe the current jinja2 > Dockerfiles are not readable? I'm pretty sure my 11 and 13 year old > children which are just learning programming already understand conditionals > and variables. A full-blown DSL for describing container contents seems out > of the domain of Kolla's mission, although I'd never say no if someone > wanted to give a crack at implementing one.
Kolla images are simply to big and not properly layered. What it means that if you today want to upgrade one of the packages: ie: python-nova (assuming images are build from RPMs) you're upgrading whole layer which contains all it's dependencies added by yum. So at the end simple 12MB upgrades turns to be 120MB (right now this is the size of the kolla image layer which contains python-nova). Having some proper DSL for describing container content would mean that we can have each package deployed within it's own image layer. This would definitely speed up upgrades and would ensure better layer sharing between multiple images. Cheers __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: [email protected]?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
