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Furthermore, it may even be possible for Knox to recognize the HA-enabled configuration for a service, and automatically configure itself to interact with that service in an HA manner.

 Knox could leverage the Ambari cluster monitoring capability to respond to cluster changes, whereby service configurations are modified to enable HA, by regenerating and redeploying the affected topologies.

Current HA Configuration

Currently, topology services can accommodate proxying the corresponding HA-enabled cluster services using topology configuration or by leveraging ZooKeeper; the means depends on the cluster service.
For example, the WEBHDFS service is configured with URLs in the service declaration while the HIVE service employs the list of hosts in the configured ZooKeeper ensemble:

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