Merge pull request #62934 from wackxu/scto

Automatic merge from submit-queue (batch tested with PRs 62354, 62934, 63502). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Refactor GetResourceRequest and GetResourceLimit

**What this PR does / why we need it**:

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:
/assign @bsalamat 

**Release note**:

```release-note
NONE
```

pkg/scheduler/algorithm/predicates/predicates.go

@@ -672,29 +672,7 @@ func GetResourceRequest(pod *v1.Pod) *schedulercache.Resource {
 
 	// take max_resource(sum_pod, any_init_container)
 	for _, container := range pod.Spec.InitContainers {
-		for rName, rQuantity := range container.Resources.Requests {
-			switch rName {
-			case v1.ResourceMemory:
-				if mem := rQuantity.Value(); mem > result.Memory {
-					result.Memory = mem
-				}
-			case v1.ResourceEphemeralStorage:
-				if ephemeralStorage := rQuantity.Value(); ephemeralStorage > result.EphemeralStorage {
-					result.EphemeralStorage = ephemeralStorage
-				}
-			case v1.ResourceCPU:
-				if cpu := rQuantity.MilliValue(); cpu > result.MilliCPU {
-					result.MilliCPU = cpu
-				}
-			default:
-				if v1helper.IsScalarResourceName(rName) {
-					value := rQuantity.Value()
-					if value > result.ScalarResources[rName] {
-						result.SetScalar(rName, value)
-					}
-				}
-			}
-		}
+		result.SetMaxResource(container.Resources.Requests)
 	}
 
 	return result