by default we don't set nameserver when setting up neutron subnet used by overcloud nodes, then nameserver points to the machine where undercloud's dnsmasq is running.

I wonder if we should not change *default* devtest setup to allow dns resolving not only for local network but for internet? Proper DNS resolving is handy e.g. for package update scenario.

This would mean:

a) set explicitly nameserver when configuring neutron subnet (as it's done for network in overcloud [1])


b) set forwarding dns server for dnsmasq [2]

Any thoughts?

Thanks, Jan

[1]: https://github.com/openstack/tripleo-incubator/blob/master/scripts/setup-neutron#L53
[2]: https://github.com/openstack/neutron/blob/master/etc/dhcp_agent.ini#L67

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