Determine the primary provider of Singleton Service using CLI

Currently we do not expose any run-time metrics/statistics for singleton services , User needs to determine the primary provider of Singleton service and would like a CLI command to do so

Currently from CLI we can see that the singleton application is deployed on all the instance of the cluster , but not determine from CLI which node/instance is operating as primary provider of Singleton Service , User would like to give to his operations team a way to check that a certain application is in ha singleton among others which can be in just cluster mode.