On 29 October 2013 08:56, Scott Moser <smo...@ubuntu.com> wrote: > On Tue, 29 Oct 2013, Robert Collins wrote: > >> On 29 October 2013 07:46, Scott Moser <smo...@ubuntu.com> wrote: >> > Hi all, >> > >> > tldr; >> > As we look forward to the 14.04 deliverable of cloud images, we're >> > wanting >> > to reduce legacy formats and streamline those that we have. >> > >> > If you're a consumer of the '-root.tar.gz' file then read on. >> > The change suggested here will *only* affect the -root.tar.gz file. >> > >> > We make several formats of images available on cloud-images.ubuntu.com. >> > The one relevant to this mail is the '-root.tar.gz'. This is essentially >> > a 'tar -cSpzf - /' of the contents of /. >> > >> > The changes we've just made to trusty are to remove the kernel and >> > bootloader packages before creating the tarfile. Essentially doing a >> > 'apt-get --purge remove "linux-*" "grub-*"' before packaging. >> > >> > The reasoning for this is >> > a.) the images will then be more similar to the ubuntu core tar files at >> > http://cdimage.ubuntu.com/ubuntu-core/releases/12.04/release/ >> > b.) the images are primarily used for lxc, where a kernel and bootloader >> > are not necessary or used. >> > c.) there is a ~25M reduction in the size of the tarball, and a 100M+ >> > reduction in the size of the extracted root. >> > >> > I'm interested in hearing feedback from anyone using these images that >> > would be [negatively] affected by the proposed change. >> >> Hi, we use those images (the root.tar.gz) ones for diskimage-builder >> in OpenStack. We build both vm and baremetal images from them, and >> currently assume that there is a kernel in them (but we do remove grub >> from them early on). Overall I think this is probably a good idea, but >> we'll need to fixup our code to be a bit more explicit about whether >> the output is for a vm or physical machine. > > -root.tar.gz != tar.gz
I know :) > I think you were using the .tar.gz files. not sure. code will avoid confusion: DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://cloud-images.ubuntu.com/} DIB_RELEASE=${DIB_RELEASE:-raring} BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-$DIB_RELEASE-server-cloudimg-$ARCH-root.tar.gz} SHA256SUMS=${SHA256SUMS:-https://${DIB_CLOUD_IMAGES##http?(s)://}/$DIB_RELEASE/current/SHA256SUMS} -Rob -- Robert Collins <rbtcoll...@hp.com> Distinguished Technologist HP Converged Cloud -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel