On Fri, 13 Nov 2015 09:23:43 -0700 Tim Flink <tfl...@redhat.com> wrote:
<snip> > > If we intended to mostly build those images on dev's computers, I'd > > probably prefer virt-builder. But my current impression is that > > local building will be a secondary option, and we'll primarily offer > > pre-created images for download (even downloading them > > automatically). Which makes sense, it's easier for the dev, and less > > error-prone. So in that light (assuming no one has different plans > > in mind), it doesn't really matter which technology we choose to > > build it. Image size is a factor here, though. I don't have any real > > numbers here, it would be very interesting to see the same image > > (same package set, same filesystem size) built by both tools and > > compare the output size (ideally even after running zerofree on them > > and compressing them). My guess is that they should have the same > > size (what would cause a difference?), but we might be surprised. Do > > we have a volunteer to test this? :) > > I can give this a try later today - I have both tools installed on a > machine here. I've created images for taskotron using both taskotron-vmbuilder and imagefactory. They're similar but not identical - I based the imagefactory off the F22 cloud images instead of specifying the server group install and virt-builder has some restrictions on what you can do with disk space which imagefactory does not have. I've put all the files up for review: the kickstart for imagefactory, the yaml file for vmbuilder and both created images, gzipped. https://tflink.fedorapeople.org/taskotron/testimages/ Time of creation operation -------------------------- imagefactory: 16m6.596s vmbuilder: 7m19.273s Image sizes ----------- 20151113-taskotron_server-22.qcow2.gz 818M 20151113-taskotron_server-22.qcow2 11G 20151113-imagebuilder-taskotron.qcow 3.0G 20151113-imagebuilder-taskotron.qcow.gz 358M
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