[libvirt] [RFC] new preferences requirement

[Justin Clift]

On 02/12/2010, at 12:46 AM, Daniel P. Berrange wrote:
> On Wed, Dec 01, 2010 at 09:19:30PM +1100, Justin Clift wrote:
>> On 01/12/2010, at 8:35 PM, Osier Yang wrote:
>>>  Should we add these new preferences(if they are really neccessary)
>>> in qemu.conf? or create new config file, e.g. The approch Justin
>>> raised up an approch before:
>>> http://www.redhat.com/archives/libvir-list/2010-November/msg00651.html
>>> 
>>>  Though for Justin's approch, IMHO we'd better also to provide a
>>> default config file, e.g. "/etc/libvirt/client.conf".
>>> 
>>>  Any feedback is welcomed, thanks
>> 
>> When thinking about this more, three levels of preference can be found in
>> other applications, and _might_ be the right approach for us to take as well.
> 
> Management of preferences belongs in application code, rather than
> libvirt. Library APIs need to have standard, predictable behaviour
> that apps can rely on in any deployment. We don't want that being
> changed globally for all applications by config files.
> 
> Even if apps do want configuration data, we can't assume they want the
> data stored in configuration files. Any current GTK application will
> use GConf for any configuration, or in the future GSettings which
> has pluggable backends per OS platform.

Good point.  Its a per client thing, and each client would store the
preferences in the way that makes best sense for it.

GConf for GTK things, something else for KDE, and a virsh appropriate
approach for that if/when we get around to it.