Hello, I am working on deploying OpenShift Origin using openshift-ansible and following the 'advanced installation' method. Part of the prerequisites discusses DNS but it is not entirely clear what the recommended path is for my case. I had tried without cluster DNS but did not get very far.
I do not intend the hosts in the cluster to be publicly addressable, nor resolvable but instead traffic will be reverse proxied to pods running on them via a router (or ingress controller when that migration occurs.) As such, I am intending to set up an authoritative DNS server containing A records for the appropriate LAN IPs of the hosts in the cluster and probably enable forwarding on it too to allow cluster hosts to use it for querying. However, the DNS will be running as part of the cluster and the hosts and networks will all have been provisioned from OpenStack. This means that DHCP will roll out some DNS addresses to the hosts and then I need to override those name servers with the cluster name server. It seems one can do that using the openshift_dns_ip but the text also advises against using this. What would be the recommended solution? Kind regards, Rob
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