Re: [Xen-devel] Q: How to find own domid or uuid from domU?

[Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>]

On Tue, May 23, 2006 at 09:52:00AM +0200, Markus Armbruster wrote:
> "Christian Limpach" <christian.limpach@xxxxxxxxx> writes:
> 
> > There's a uuid node under the vm path.  I.e. you'd do:
> > vmpath=$(xenstore-read vm)
> > uuid=$(xenstore-read $vmpath/uuid)
> 
> Fails in domU:
> 
>     # xenstore-read vm
>     /vm/947df77a-58b5-4e3d-9b6c-aa0178d8e133
>     # xenstore-read /vm/947df77a-58b5-4e3d-9b6c-aa0178d8e133/uuid
>     xenstore-read: couldn't read path 
> /vm/947df77a-58b5-4e3d-9b6c-aa0178d8e133/uuid

Indeed, it's either broken because we've set the permissions not to
allow domains to have access to the /vm tree or because we don't allow
domains to read outside of their "home" directory.

    christian


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel