Fix the scheduler to ignore terminated pods.

(cherry picked from commit 97634c7fbf)

plugin/pkg/scheduler/algorithm/predicates/predicates.go

@@ -360,6 +360,20 @@ func getUsedPorts(pods ...*api.Pod) map[int]bool {
 	return ports
 }
 
+func filterNonRunningPods(pods []*api.Pod) []*api.Pod {
+	if len(pods) == 0 {
+		return pods
+	}
+	result := []*api.Pod{}
+	for _, pod := range pods {
+		if pod.Status.Phase == api.PodSucceeded || pod.Status.Phase == api.PodFailed {
+			continue
+		}
+		result = append(result, pod)
+	}
+	return result
+}
+
 // MapPodsToMachines obtains a list of pods and pivots that list into a map where the keys are host names
 // and the values are the list of pods running on that host.
 func MapPodsToMachines(lister algorithm.PodLister) (map[string][]*api.Pod, error) {
@@ -369,6 +383,7 @@ func MapPodsToMachines(lister algorithm.PodLister) (map[string][]*api.Pod, error
 	if err != nil {
 		return map[string][]*api.Pod{}, err
 	}
+	pods = filterNonRunningPods(pods)
 	for _, scheduledPod := range pods {
 		host := scheduledPod.Spec.NodeName
 		machineToPods[host] = append(machineToPods[host], scheduledPod)