openstack-ansible/unbound-dns-e0b591be4fa2b050.yaml at 39900e1bcc2dc2580e64d6be15388e2f3c0890eb - openstack-ansible - OpenDev: Free Software Needs Free Tools

openstack/openstack-ansible

Logan V d651ed70f4 Unbound DNS resolution containers

Optionally deploy unbound DNS caching resolvers in lieu of
managing /etc/hosts across all hosts.

This is an opt-in optimization providing centralized DNS
resolution containers to allow intra-cluster name resolution
identical to what openstack_hosts provides with its /etc/hosts
management.

Managing /etc/hosts is very inefficient and cumbersome in large
environments with lots of hosts, so this change allows for a
quicker and more consistent deployment using centralized resolvers.

Change-Id: Ibbc1fc77aa42c1a530e2f52a5c3c4ed86d0fe8ea

2016-08-26 10:11:22 -05:00

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 ---
 features:
   - Support for the deployment of Unbound caching DNS resolvers has been added
     as an optional replacement for /etc/hosts management across all hosts in
     the environment. To enable the Unbound DNS containers, add ``unbound_hosts``
     entries to the environment.