NewSchedulerRequestFromPB converts a protobuf message ScheduleTaskRequest to the internal data structure SchedulerRequest.

SelectorFromPB converts a protobuf Selector message to the internal data type label.Selector.

SelectorToPB converts a label.Selector to a protobuf message Selector.

ExecutorInfo contains information about each executor maintained internally to the scheduler.

SchedulerRequest represents a request for an executor to run a given task.

SchedulerResponse represents a response to a task scheduling request.