[Lguest] Looking to replace uml, but missing feature :)

[Avi Kivity]

Paul Wouters wrote:
> Hi,
>
> The Openswan team uses a nightly test harness using UML's. For each
> test, we fire up 2 to 5 UML's (to ensure a virgin state) and then do
> our testing, and then shut them down and proceed to the next test. We
> currnetly have about 200 test cases. Unfortunately, this frequently
> causes hundrerds of hanging UML processes.
>
> So we are looking at lguest, and see if we can use that instead. One
> feature we heavilly use in our UML setup is to boot images with specifying
> a directory as root for an image, without the need to rebuild all those
> rootfs images all the time (and requiring root to run mkfs). We can simply
> use a "virgin" root directory (that's never written to) and just nfs mount
> a location with the specific configuration files and write space for the
> log files for later interpretation.
>
> Is a similar feature planned for lguest?
>
>   

You can achieve something similar with lvm snapshots; snapshot an image,
run a test, drop the snapshot.



-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.