Service exposition with ListenerClasses
Apache Druid offers a web UI and an API, both are exposed by the
router role. Other roles also expose API endpoints such as the
coordinator. The Operator deploys services called
<name> is the name of the DruidCluster and
<role> is the role for the Service) through which Druid can be reached.
These services can have three different types:
external-stable. Read more about the types in the service exposition documentation at platform level.
This is how the listener class is configured:
spec: clusterConfig: listenerClass: cluster-internal (1)
This setting affects all role Services at once.