Re: [Libguestfs] virt-builder and SimpleStreams

On Thu, Apr 21, 2016 at 11:26:49AM +0200, Pino Toscano wrote: > On Wednesday 20 April 2016 19:01:23 Richard W.M. Jones wrote: > > Pino, do you remember what the missing data was that prevents > > virt-builder from working properly with SimpleStreams? > > > > IIRC it was the target (expanded) size of the image, as it means we > > don't know during the planning stage if we will need to resize the > > image. > > Almost: if no --size is specified for virt-builder, then the template > is used as-is; when specifying --size, there is a size check to error > out on shrinking, and to pass the right size to virt-resize. > > Currently we use the "size" (which represents the size of the image) > also as size of the image: this implies that the shrinking check won't > actually work properly, causing a failure. > > We also miss the information about the partition to expand, so > virt-resize merely adds a new empty partition at the end to fill the > extra space. OK so let's decide unilaterally on some fields.