Re: [libvirt] PATCH: Support container XML enhancements
On Tue, Jul 29, 2008 at 04:44:32PM +0100, John Levon wrote:
On Tue, Jul 29, 2008 at 04:20:14PM +0100, Daniel P. Berrange wrote:
> This is something I previously submitted as part of one of the LXC
> patches, but I figure it makes sense on its own, since OpenVZ needs
> this now too.
No update to libvirt.rng? Or test cases?
Mmm, yes need the RNG file at least. We need to have a generic test
suite for validating the RNG against the XML files in tests/, as well
as ad-hoc XML files we may add
> <os>
> <type>exe</type>
> <init>/sbin/init</init>
> </os>
Will this be optional? Whilst it doesn't exist in any form now, Solaris
Zones has no such concept (it's /always/ init, but it's also completely
private to the implementation and should be exposed).
Yes it is completely optional - its not required upon input. If the
driver has a default value it wants to expose it can set it, so its
visible upon XML dump.
> <filesystem type='mount'>
> <source dir='/some/directory'/>
> <target dir='/'/>
> </filesystem>
No facility for mount options?
Not until we have a concrete need for them in one of the drivers. We
can add them as attributes on the <source> tag, or child elements, as
we find need for them.
I don't think any of the stated options would work for ZFS
dataset
delegation, though I suppose that could be added later if it happens.
What is ZFS dataset delegation ?
What is template?
Templates are a concept OpenVZ / VServer have to simplify management
of container filesystems. Basically a 'canned' filesystem image, that
is instantiated for each container on demand. eg, a tar.gz containing
the FS, that is extracted once for each container using it.
Daniel
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