scheduler's NodeInfo tracks PodInfos instead of Pods

pkg/scheduler/internal/cache/interface.go

@@ -17,7 +17,8 @@ limitations under the License.
 package cache
 
 import (
-	v1 "k8s.io/api/core/v1"
+	"k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/labels"
 	framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
 )
 
@@ -56,7 +57,8 @@ import (
 // - Both "Expired" and "Deleted" are valid end states. In case of some problems, e.g. network issue,
 //   a pod might have changed its state (e.g. added and deleted) without delivering notification to the cache.
 type Cache interface {
-	framework.PodLister
+	// ListPods lists all pods in the cache.
+	ListPods(selector labels.Selector) ([]*v1.Pod, error)
 
 	// AssumePod assumes a pod scheduled and aggregates the pod's information into its node.
 	// The implementation also decides the policy to expire pod before being confirmed (receiving Add event).