Update godeps

vendor/k8s.io/kubernetes/pkg/api/helpers.go

@@ -526,6 +526,20 @@ func TaintToleratedByTolerations(taint *Taint, tolerations []Toleration) bool {
 	return tolerated
 }
 
+// MatchTaint checks if the taint matches taintToMatch. Taints are unique by key:effect,
+// if the two taints have same key:effect, regard as they match.
+func (t *Taint) MatchTaint(taintToMatch Taint) bool {
+	return t.Key == taintToMatch.Key && t.Effect == taintToMatch.Effect
+}
+
+// taint.ToString() converts taint struct to string in format key=value:effect or key:effect.
+func (t *Taint) ToString() string {
+	if len(t.Value) == 0 {
+		return fmt.Sprintf("%v:%v", t.Key, t.Effect)
+	}
+	return fmt.Sprintf("%v=%v:%v", t.Key, t.Value, t.Effect)
+}
+
 func GetAvoidPodsFromNodeAnnotations(annotations map[string]string) (AvoidPods, error) {
 	var avoidPods AvoidPods
 	if len(annotations) > 0 && annotations[PreferAvoidPodsAnnotationKey] != "" {