Re: [Libguestfs] Can't access remote URI

On 12/20/2012 05:08 PM, Richard W.M. Jones wrote: > On Thu, Dec 20, 2012 at 04:00:10PM +0800, Wanlong Gao wrote: >> Hi Rich, >> >> We just found that the libguestfs can't access the remote URI. >> When doing guestfs__add_drive_opts(), we always add files from >> local system, it's related the -c|--connect option. >> >> As I know, we are using local kernel to lunch the min-guest, >> and it's hard to attach remote disks to our local min-guest. >> >> Our test team found this problem by using following command, >> >> # virt-sysprep -c qemu+ssh://<host>/system -d domname >> >> Then, for example the path of remote disk is /work/rhel.img, >> but we are about to access the /work/rhel.img locally. >> >> So, IMHO, if we are about to not support the remote URI, we >> should give a error message first. But access local disks >> instead of remote disks are definitely wrong here. >> >> Maybe we also need document this. >> >> Any thoughts? > > John Eckersberg is working on implementing this for libguestfs 1.22. > Most of the libvirt support has been done already, but there is some > more libvirt and libguestfs work. > > As for reporting an error, it's difficult because libvirt doesn't give > a simple way to find out if a URI is "remote" or not (whatever > "remote" means). And even if libvirt did, it's not necessarily true > that remote URIs wouldn't work, eg. if the user attached a LUN to both > the remote and local machine. So, at this time, we should report a useful message to user but not just fail without any thing. Right?