5.12. DNS Operator
Purpose
The DNS Operator deploys and manages CoreDNS to provide a name resolution service to pods that enables DNS-based Kubernetes Service discovery in OpenShift Container Platform.
The Operator creates a working default deployment based on the cluster’s configuration.
-
The default cluster domain is
cluster.local
. - Configuration of the CoreDNS Corefile or Kubernetes plug-in is not yet supported.
The DNS Operator manages CoreDNS as a Kubernetes daemon set exposed as a service with a static IP. CoreDNS runs on all nodes in the cluster.