Add debug info: scheduler extenders's score and its name for each pod

pkg/scheduler/algorithm/scheduler_interface.go

@@ -26,6 +26,9 @@ import (
 // decisions made by Kubernetes. This is typically needed for resources not directly
 // managed by Kubernetes.
 type SchedulerExtender interface {
+	// Name returns a unique name that identifies the extender.
+	Name() string
+
 	// Filter based on extender-implemented predicate functions. The filtered list is
 	// expected to be a subset of the supplied list. failedNodesMap optionally contains
 	// the list of failed nodes and failure reasons.

pkg/scheduler/core/extender.go

@@ -107,6 +107,11 @@ func NewHTTPExtender(config *schedulerapi.ExtenderConfig) (algorithm.SchedulerEx
 	}, nil
 }
 
+// Name returns extenderURL to identifies the extender.
+func (h *HTTPExtender) Name() string {
+	return h.extenderURL
+}
+
 // IsIgnorable returns true indicates scheduling should not fail when this extender
 // is unavailable
 func (h *HTTPExtender) IsIgnorable() bool {

pkg/scheduler/core/extender_test.go

@@ -120,6 +120,10 @@ type FakeExtender struct {
 	cachedNodeNameToInfo map[string]*schedulercache.NodeInfo
 }
 
+func (f *FakeExtender) Name() string {
+	return "FakeExtender"
+}
+
 func (f *FakeExtender) IsIgnorable() bool {
 	return f.ignorable
 }

pkg/scheduler/core/generic_scheduler.go

@@ -692,7 +692,7 @@ func PrioritizeNodes(
 			}
 			if glog.V(10) {
 				for _, hostPriority := range results[index] {
-					glog.Infof("%v -> %v: %v, Score: (%d)", pod.Name, hostPriority.Host, config.Name, hostPriority.Score)
+					glog.Infof("%v -> %v: %v, Score: (%d)", util.GetPodFullName(pod), hostPriority.Host, config.Name, hostPriority.Score)
 				}
 			}
 		}(i, priorityConfig)
@@ -730,6 +730,9 @@ func PrioritizeNodes(
 				mu.Lock()
 				for i := range *prioritizedList {
 					host, score := (*prioritizedList)[i].Host, (*prioritizedList)[i].Score
+					if glog.V(10) {
+						glog.Infof("%v -> %v: %v, Score: (%d)", util.GetPodFullName(pod), host, ext.Name(), score)
+					}
 					combinedScores[host] += score * weight
 				}
 				mu.Unlock()

pkg/scheduler/factory/factory_test.go

@@ -532,6 +532,10 @@ type fakeExtender struct {
 	ignorable         bool
 }
 
+func (f *fakeExtender) Name() string {
+	return "fakeExtender"
+}
+
 func (f *fakeExtender) IsIgnorable() bool {
 	return f.ignorable
 }