EmptyControllerLister implements ControllerLister on []api.ReplicationController returning empty data.

HostPriority represents the priority of scheduling to a particular host, lower priority is better.

ControllerLister interface represents anything that can produce a list of ReplicationController; the list is consumed by a scheduler.

NodeLister interface represents anything that can list nodes for a scheduler.

PodLister interface represents anything that can list pods for a scheduler.

Scheduler is an interface implemented by things that know how to schedule pods onto machines.

ServiceLister interface represents anything that can produce a list of services; the list is consumed by a scheduler.

FakeControllerLister implements ControllerLister on []api.ReplicationController for test purposes.

FakeNodeLister implements NodeLister on a []string for test purposes.

FakePodLister implements PodLister on an []api.Pods for test purposes.

FakeServiceLister implements ServiceLister on []api.Service for test purposes.

FitPredicate is a function that indicates if a pod fits into an existing node.