On Wed, Jan 30, 2013 at 10:55:41AM +0000, Daniel P. Berrange wrote: > Some apps have a need to be able to obtain ISO filesystem headers from > images stored in glance. Now obviously they can just download the image > (or part of it) and run 'isoinfo' on it, but this is really horrifically > inefficient/wasteful of bandwidth. It would be desirable for glance to > have explicit support for this in some way. > > I've written a short wiki page describing one approach, which is to > make glance extract the data upon upload of an ISO and store it in > some well-defined metadata properties against the image. > > http://wiki.openstack.org/GlanceISOHeaders > https://blueprints.launchpad.net/glance/+spec/iso-image-metadata > > A completely different approach we be to ignore metadata properties > and add an explicit API to glance which would extract it on-demand, > but I feel this is a needlessly large amount of work & less convenient > and flexible than simply using existing metadata properties. Does no one else have any comments on this proposed design ? Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|