[libvirt] [PATCH] Allows for a <description> tag for domains
Daniel Veillard
veillard at redhat.com
Wed Sep 30 14:19:59 UTC 2009
On Wed, Sep 30, 2009 at 03:49:05PM +0200, Matthias Bolte wrote:
> 2009/9/30 Daniel Veillard <veillard at redhat.com>:
> > https://bugzilla.redhat.com/show_bug.cgi?id=523639
> >
> > feature request which makes sense to me, the simple patch attached
> > seems to be sufficient, one can define and have the description back
> > in the dump. Doesn't try to keep the location of the tag, it always
> > get serialized after <uuid>.
> > The only drawbacks I can think of are:
> > - others XML formats may require the same, but honnestly it's trivial
> > - machine generated description (for example if the history log of
> > a domain gets stored there) could grow a lot and I wonder if we
> > have a hard limit on the size when transmitting xml descriptions
>
> Such a machine generated description would contradict the intention of
> Rubin Simons for this description entry. IMHO this description entry
yes but between a feature intent and how people (ab)use it, sometimes
one need to be careful :-)
> should be used for user-provided descriptions only. For any other
> purpose (like a history log) another entry should be added.
well no, a log should be maintained externally IMHO :-)
> > Oh and I didn't found a good place to test the feature, i.e. no test
> > seems to parse and reserialize XML it's always about conversions.
> >
> > Daniel
> >
>
> ACK.
>
> This will be easy to support in the ESX driver, because a virtual
> machine has an free-format annotation field where this description can
> be stored.
Okidoc, pushed, you can extend the ESX conversions then, maybe that
will allow to test the round trip parse and restore too :-)
thanks,
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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