Hi, (please keep me CC'ed, as I'm not subscribed) I'm one of the upstream of the libguestfs  project, which is a library and a set of tools to manipulate disk images. It is also packaged in Debian. One of the tools is virt-builder , which allows to create quickly new guests starting from templates. So far, we are providing all the templates ourselves on our website, and some of them are also Debian stable images: $ virt-builder --list centos-6 x86_64 CentOS 6.6 centos-7.0 x86_64 CentOS 7.0 centos-7.1 x86_64 CentOS 7.1 cirros-0.3.1 x86_64 CirrOS 0.3.1 debian-6 x86_64 Debian 6 (Squeeze) debian-7 x86_64 Debian 7 (Wheezy) debian-8 x86_64 Debian 8 (Jessie) fedora-18 x86_64 Fedora® 18 fedora-19 x86_64 Fedora® 19 fedora-20 x86_64 Fedora® 20 fedora-21 x86_64 Fedora® 21 Server fedora-21 aarch64 Fedora® 21 Server (aarch64) fedora-21 armv7l Fedora® 21 Server (armv7l) fedora-21 ppc64 Fedora® 21 Server (ppc64) fedora-21 ppc64le Fedora® 21 Server (ppc64le) fedora-22 x86_64 Fedora® 22 Server fedora-22 aarch64 Fedora® 22 Server (aarch64) fedora-22 armv7l Fedora® 22 Server (armv7l) scientificlinux-6 x86_64 Scientific Linux 6.5 ubuntu-10.04 x86_64 Ubuntu 10.04 (Lucid) ubuntu-12.04 x86_64 Ubuntu 12.04 (Precise) ubuntu-14.04 x86_64 Ubuntu 14.04 (Trusty) Speaking with Thomas Goirand (zigo), I was told about the OpenStack images , so it would be nice to have them available in virt-builder for the users of this tool. Basically, it is matter to provide an index file, INI-like style, with the proper metadata for each image (name, description, size, sha512, etc), optionally GPG-signed inline (it is not mandatory, although would be recommeded). You can check the configuration bits in the "SOURCES OF TEMPLATES" section of , and also the current index on libguestfs.org  as example. To use this index, there would be the need to install locally (i.e. where virt-builder is installed) a very small .conf file (and the copy of the GPG key, if the index is signed); the files for the libguestfs.org are currently part of the libguestfs-tools package (together with virt-builder), installed under /etc/xdg/virt-builder/repos.d/. I would be happy to help in getting the online metadata (i.e. the index, possibly signed) generated, so how would I get to it? Also, a different chapter would be having proper non-cloud qcow2 images available (always with virt-builder metadata, of course). This, other than allowing us to avoid maintaining Debian images, would mean virt-builder users can get official images of stable released, updated periodically. Would that be something useful? If so, how/where/etc could this process get started?  http://libguestfs.org/  http://libguestfs.org/virt-builder.1.html  http://cdimage.debian.org/cdimage/openstack/  http://libguestfs.org/download/builder/index.asc Thanks, -- Pino Toscano
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