It'd be great to have an API to check rebalance status programmatically so we can automate rebalances. Currently the API always returns in-progress and requires checking the controller logs for status or checking external view / ideal state. https://github.com/apache/pinot/blob/master/pinot-controller/src/main/java/org/apache/pinot/controller/api/resources/PinotTableRestletResource.java#L677