Comment 9 for bug 1774052

Reviewed: https://review.openstack.org/578450
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=befe2c8cfd2ee7f9ca1ba74cebbdf5ed2b71436e
Submitter: Zuul
Branch: stable/queens

commit befe2c8cfd2ee7f9ca1ba74cebbdf5ed2b71436e
Author: Numan Siddique <email address hidden>
Date: Sun Jun 3 13:01:49 2018 +0530

    ovn: Add dns_servers configuration support

    networking-ovn optionally expects list of dns server to be defined in the
    config -'ovn/dns_servers'. These will be included in the 'dns_server' DHCP
    option field when the VMs send DHCP request if the subnet's dns_nameservers field
    is not defined by the user.

    This patch sets the hieradata - 'neutron::plugins::ml2::ovn::dns_servers' to the
    defined OVNDnsServers t-h-t param.

    Change-Id: I80574f7badfcc618254266051c8d6661c08e2be0
    Closes-bug: #1774052
    (cherry picked from 371e5d626491a042afcd5d83377737ae941beb67)
    Conflicts:
           environments/services/neutron-ovn-hw-offload.yaml