[libvirt-users] Does libvirt have API to detect image format

[Richard W.M. Jones]

On Mon, Aug 11, 2014 at 08:35:46PM +0000, Jianfeng Tang wrote:
> >
> 
> I am using backing store when I create my volume. However, the backing
> store file is from another team, which can be either in raw or in qcow2
> format.
> 
> Is there a libvirt API to detect image format by given an image file? Or I
> have to run qemu-img?

Nothing wrong with running `qemu-img info' IMHO.

Libguestfs has some disk detection features, including format, backing
file, virtual size.  And of course it can go a lot deeper into the
disk content itself using libguestfs inspection.

Rich.

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