[Rdo-list] DNS resolver problems w/ instack-virt-setup

Lars Kellogg-Stedman lars at redhat.com
Fri Apr 17 15:08:25 UTC 2015

On the overcloud nodes deployed by instack-virt-setup,
/etc/resolv.conf looks like this:

    search openstacklocal

That's not a useful address for either of these nodes, on which
external connectivity -- at least on the controller -- is via
eth0/br-ex on the network.  Even worse, on the controller
"" is actually the address of the local "virbr0"
interface configured by libvirt, so DNS requests aren't going to go
anywhere useful.

There are obviously a number of ways to fix this, including setting up
dnsmasq on the undercloud node and using that instead.  How is this
supposed to work?  Did the deployments script screw up, or did I miss
something in the docs?

Lars Kellogg-Stedman <lars at redhat.com> | larsks @ {freenode,twitter,github}
Cloud Engineering / OpenStack          | http://blog.oddbit.com/

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