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Re: [libvirt] [PATCH] bridge_driver: use conffile for dnsmasq if it exists



On Thu, Dec 23, 2010 at 09:53:57AM -0700, Eric Blake wrote:
> On 12/23/2010 06:50 AM, Paweł Krześniak wrote:
> > On Wed, Dec 22, 2010 at 16:50, Laine Stump <laine laine org> wrote:
> >> I agree with Eric that this should be discussed with Dan Berrange and/or
> >> Daniel Veillard before comitting anything to the tree (definitely it needs
> >> doing in some manner, though).
> > 
> > Another idea came to my mind:
> > Following logic behind <emulator> tag for domain definition, we could
> > introduce XML tag in network definition which would override default
> > location of dnsmasq (and radvd).
> > 
> > For example:
> > <network>
> >   <name>xxxnet</name>
> >   <dnsmasq>/usr/local/bin/my-dnsmasq</dnsmasq>
> >   <radvd>/usr/local/bin/my-radvd</radvd>
> 
> Rather than tying the element name to our current choice of program, can
> we come up with something more generic?
> 
> <network>
>   <name>xxxnet</name>
>   <ipv4routing>/usr/local/bin/my-dnsmasq</ipv4routing>
>   <ipv6routing>/usr/local/bin/my-radvd</ipv6routing>
> </network>
> 
> But the idea of allowing the XML to specify an override for the program
> to run seems like it might be worthwhile.

We don't want to directly expose the fact that we're running
a process for these services in the XML, because in the future
there's a good chance the way we run dnsmasq will change, such
that we don't run it per network, instead having one shared
instance.

Daniel


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