[Users] how to let a CT configure it's IP address?

[Roman Haefeli]

On Wed, 2010-06-30 at 17:36 +1000, Daniel Pittman wrote:
> Roman Haefeli <reduzierer at yahoo.de> writes:
> 
> > We would like to build a mysql-cluster with two mysql-servers in a
> > master-master configuration. We're trying to use mysql-mmm [1] for a
> > fail-over setup. Both mysql-servers are running in their own container on
> > two different host nodes.
> 
> [...]
> 
> > So I tried to use veth instead (according to [2]). I configured on each
> > mysql-server a virtual ethernet device. But then I realized that in order to
> > make the virtual device on the host node accessible to the world, I need to
> > manually add a route on CT0.
> 
> ...or add the veth device on CT0 to a software bridge with the physical
> device, which is the most common way to implement this.  Look for 'vznetaddbr'
> here: http://wiki.openvz.org/Virtual_Ethernet_device
> 
> That way your container VETH behaves as if it is a physical Ethernet device
> connected to the external network, which is what you probably want.

Exactly.

> Be aware, though: Linux can still apply iptables firewalling to a software
> bridge interface, so make sure that doesn't get in the way in your setup, if
> CT0 has firewall rules applied.

Hm, I indeed have trouble making it work. I'll check the iptables...
Many thanks for your help!

Roman