docs

Author: adwk67

docs/modules/hbase/pages/usage-guide/listenerclass.adoc

@@ -17,4 +17,21 @@ spec:
     config:
       listenerClass: external-unstable
 ----
-<1> Specify one of `external-stable`, `external-unstable`, `cluster-internal` (the default setting is `cluster-internal`)
+<1> Specify one of `external-stable`, `external-unstable`, `cluster-internal` (the default setting is `cluster-internal`).
+This can be set separately for all three roles.
+
+Externally-reachable endpoints (i.e. where listener-class = `external-unstable` or `external-unstable`) are written to a ConfigMap called `<cluster-name>-ui-endpoints`, listing each rolegroup by replica:
+
+[source,yaml]
+----
+apiVersion: v1
+data:
+  hbase.master-0.ui: 172.19.0.3:32353
+  hbase.master-1.ui: 172.19.0.5:31817
+  hbase.regionserver-0.ui: 172.19.0.3:31719
+  hbase.regionserver-1.ui: 172.19.0.5:30626
+  hbase.restserver-0.ui: 172.19.0.3:31790
+  hbase.restserver-1.ui: 172.19.0.5:32292
+kind: ConfigMap
+...
+----