Break serviceaffinity Filter plugins dependency on predicates package

pkg/scheduler/algorithm/predicates/utils.go

@@ -18,54 +18,9 @@ package predicates
 
 import (
 	v1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/labels"
 	schedulernodeinfo "k8s.io/kubernetes/pkg/scheduler/nodeinfo"
 )
 
-// FindLabelsInSet gets as many key/value pairs as possible out of a label set.
-func FindLabelsInSet(labelsToKeep []string, selector labels.Set) map[string]string {
-	aL := make(map[string]string)
-	for _, l := range labelsToKeep {
-		if selector.Has(l) {
-			aL[l] = selector.Get(l)
-		}
-	}
-	return aL
-}
-
-// AddUnsetLabelsToMap backfills missing values with values we find in a map.
-func AddUnsetLabelsToMap(aL map[string]string, labelsToAdd []string, labelSet labels.Set) {
-	for _, l := range labelsToAdd {
-		// if the label is already there, dont overwrite it.
-		if _, exists := aL[l]; exists {
-			continue
-		}
-		// otherwise, backfill this label.
-		if labelSet.Has(l) {
-			aL[l] = labelSet.Get(l)
-		}
-	}
-}
-
-// FilterPodsByNamespace filters pods outside a namespace from the given list.
-func FilterPodsByNamespace(pods []*v1.Pod, ns string) []*v1.Pod {
-	filtered := []*v1.Pod{}
-	for _, nsPod := range pods {
-		if nsPod.Namespace == ns {
-			filtered = append(filtered, nsPod)
-		}
-	}
-	return filtered
-}
-
-// CreateSelectorFromLabels is used to define a selector that corresponds to the keys in a map.
-func CreateSelectorFromLabels(aL map[string]string) labels.Selector {
-	if len(aL) == 0 {
-		return labels.Everything()
-	}
-	return labels.Set(aL).AsSelector()
-}
-
 // portsConflict check whether existingPorts and wantPorts conflict with each other
 // return true if we have a conflict
 func portsConflict(existingPorts schedulernodeinfo.HostPortInfo, wantPorts []*v1.ContainerPort) bool {