rebase: update K8s packages to v0.32.1

Update K8s packages in go.mod to v0.32.1

Signed-off-by: Praveen M <m.praveen@ibm.com>

vendor/k8s.io/component-helpers/node/topology/helpers.go

@@ -0,0 +1,58 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package topology
+
+import (
+	"k8s.io/api/core/v1"
+)
+
+// GetZoneKey is a helper function that builds a string identifier that is unique per failure-zone;
+// it returns empty-string for no zone.
+// Since there are currently two separate zone keys:
+//   - "failure-domain.beta.kubernetes.io/zone"
+//   - "topology.kubernetes.io/zone"
+//
+// GetZoneKey will first check failure-domain.beta.kubernetes.io/zone and if not exists, will then check
+// topology.kubernetes.io/zone
+func GetZoneKey(node *v1.Node) string {
+	labels := node.Labels
+	if labels == nil {
+		return ""
+	}
+
+	// TODO: "failure-domain.beta..." names are deprecated, but will
+	// stick around a long time due to existing on old extant objects like PVs.
+	// Maybe one day we can stop considering them (see #88493).
+	zone, ok := labels[v1.LabelFailureDomainBetaZone]
+	if !ok {
+		zone, _ = labels[v1.LabelTopologyZone]
+	}
+
+	region, ok := labels[v1.LabelFailureDomainBetaRegion]
+	if !ok {
+		region, _ = labels[v1.LabelTopologyRegion]
+	}
+
+	if region == "" && zone == "" {
+		return ""
+	}
+
+	// We include the null character just in case region or failureDomain has a colon
+	// (We do assume there's no null characters in a region or failureDomain)
+	// As a nice side-benefit, the null character is not printed by fmt.Print or glog
+	return region + ":\x00:" + zone
+}