fixup! VPA: Allow VPA updater to actuate recommendations in-place

Signed-off-by: Max Cao <[email protected]>

Author: maxcao13

vertical-pod-autoscaler/pkg/admission-controller/resource/pod/patch/resource_updates.go

@@ -104,13 +104,15 @@ func appendPatchesAndAnnotations(patches []resource_admission.PatchRecord, annot
 	return patches, annotations
 }
 
+// GetAddResourceRequirementValuePatch returns a patch record to add resource requirements to a container.
 func GetAddResourceRequirementValuePatch(i int, kind string, resource core.ResourceName, quantity resource.Quantity) resource_admission.PatchRecord {
 	return resource_admission.PatchRecord{
 		Op:    "add",
 		Path:  fmt.Sprintf("/spec/containers/%d/resources/%s/%s", i, kind, resource),
 		Value: quantity.String()}
 }
 
+// GetPatchInitializingEmptyResources returns a patch record to initialize an empty resources object for a container.
 func GetPatchInitializingEmptyResources(i int) resource_admission.PatchRecord {
 	return resource_admission.PatchRecord{
 		Op:    "add",
@@ -119,6 +121,8 @@ func GetPatchInitializingEmptyResources(i int) resource_admission.PatchRecord {
 	}
 }
 
+// GetPatchInitializingEmptyResourcesSubfield returns a patch record to initialize an empty subfield
+// (e.g., "requests" or "limits") within a container's resources object.
 func GetPatchInitializingEmptyResourcesSubfield(i int, kind string) resource_admission.PatchRecord {
 	return resource_admission.PatchRecord{
 		Op:    "add",