[libvirt] [PATCH] Add forwarders attribute to <dns /> element.
Daniel P. Berrange
berrange at redhat.com
Mon Sep 2 12:30:52 UTC 2013
On Mon, Sep 02, 2013 at 09:27:59AM -0300, Diego Woitasen wrote:
> On Mon, Sep 2, 2013 at 8:54 AM, Daniel P. Berrange <berrange at redhat.com> wrote:
> > On Mon, Sep 02, 2013 at 08:50:30AM -0300, Diego Woitasen wrote:
> >> Useful to set custom forwarders instead of using the contents of
> >> /etc/resolv.conf. It helps me to setup dnsmasq as local nameserver to resolv VM
> >> domain names from domain 0, when domain option is used.
> >>
> >> Signed-off-by: Diego Woitasen <diego.woitasen at vhgroup.net>
> >> ---
> >> src/conf/network_conf.c | 34 +++++++++++++++++++++-
> >> src/conf/network_conf.h | 1 +
> >> src/network/bridge_driver.c | 8 +++++
> >> .../nat-network-dns-forwarders.conf | 15 ++++++++++
> >> .../nat-network-dns-forwarders.xml | 9 ++++++
> >> tests/networkxml2conftest.c | 1 +
> >> 6 files changed, 67 insertions(+), 1 deletion(-)
> >> create mode 100644 tests/networkxml2confdata/nat-network-dns-forwarders.conf
> >> create mode 100644 tests/networkxml2confdata/nat-network-dns-forwarders.xml
> >>
> >
> >
> >> @@ -1058,6 +1065,20 @@ virNetworkDNSDefParseXML(const char *networkName,
> >> }
> >> }
> >>
> >> + forwarders = virXPathString("string(./@forwarders)", ctxt);
> >> + if (forwarders) {
> >> + def->forwarders = virStringSplit(forwarders, ",", 0);
> >
> > It is frowned upon to create XML where one attribute encodes multiple
> > separate values. For example, makes it impossible for apps to extract
> > a single value using xpath queies.
> >
> > If we need to support multiple addresses for forwarders, then this
> > suggests we need a child element underneath <dns> eg perhaps
> >
> > <dns>
> > <forwarder addr='8.8.8.8'/>
> > <forwarder addr='1.2.3.4'/>
> > <forwarder addr='234:223::4242'/>
> > </dns>
> >
> >
> > Daniel
> > --
> > |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
> > |: http://libvirt.org -o- http://virt-manager.org :|
> > |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
> > |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
>
> Ok, I'll fix it.
>
> What do you think about the feature?
The feature proposal sounds fine to me.
Daniel
--
|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org -o- http://virt-manager.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
More information about the libvir-list
mailing list