Operations API
/clusters/{cluster_name}/nodes
/clusters/{cluster_name}/resources/cpu/allocated
/clusters/{cluster_name}/resources/cpu/total
/clusters/{cluster_name}/resources/memory/allocated
/clusters/{cluster_name}/resources/memory/total
/clusters/resources/cpu/allocated
/clusters/resources/memory/allocated
/clusters/resources/memory/total
/clusters/resources/tagged/{query_type}?applicationType={value}
/clusters/resources/{resource_type}/{query_type}?to={time}&from={time}&interval={polling_interval}