On Fri, Mar 16, 2018 at 11:04:06AM -0500, Sean McGinnis wrote: > Just updating the subject line tag to glance. ;)
Errr, sorry, but no, this is for a Nova image backend (yes, namespace overload, I know) - the driver that lets a Nova host create "local" images for non-volume-backed instances. > On Fri, Mar 16, 2018 at 05:33:30PM +0200, Peter Penchev wrote: > > Hi, > > > > A couple of years ago I created a Nova spec for the StorPool image > > backend: https://review.openstack.org/#/c/137830/ There was some > > discussion, but then our company could not immediately allocate the > > resources to write the driver itself, so the spec languished and was > > eventually abandoned. > > > > Now that StorPool has a fully maintained Cinder driver and also a > > fully maintained Nova volume attachment driver, both included in the > > Queens release, and a Cinder third-party CI that runs all the tests > > tagged with "volume", including some simple Nova tests, we'd like to > > resurrect this spec and implement a Nova image backend, too. > > Actually, it looks like due to customer demand we will write the > > driver anyway and possibly maintain it outside the tree, but it would > > be preferable (and, obviously, easier to catch up with wide-ranging > > changes) to have it in. > > > > Would there be any major opposition to adding a StorPool shared > > storage image backend, so that our customers are not limited to > > volume-backed instances? Right now, creating a StorPool volume and > > snapshot from a Glance image and then booting instances from that > > snapshot works great, but in some cases, including some provisioning > > and accounting systems on top of OpenStack, it would be preferable to > > go the Nova way and let the hypervisor think that it has a local(ish) > > image to work with, even though it's on shared storage anyway. This > > will go hand-in-hand with our planned Glance image driver, so that > > creating a new instance from a Glance image would happen > > instantaneously (create a StorPool volume from the StorPool snapshot > > corresponding to the Glance image). > > > > If this will help the decision, we do have plans for adding a > > full-blown Nova third-party CI in the near future, so that both our > > volume attachment driver, this driver, and our upcoming Glance image > > driver will see some more testing. > > > > Thanks in advance, and keep up the great work! Best regards, Peter __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev