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

MinionLister interface represents anything that can list minions 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.

FakeMinionLister implements MinionLister 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.