Merge pull request #30234 from intelsdi-x/create_annotation_map_if_doesnt_exist

Automatic merge from submit-queue

In AddOrUpdateTaintOnNode create annotation map if its nil

If node didn't have annotations both SchedulerPredicates taints-toleration tests were failing.

@gmarek PTAL

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test/e2e/framework/util.go

@@ -2914,6 +2914,10 @@ func AddOrUpdateTaintOnNode(c *client.Client, nodeName string, taint api.Taint)
 
 	taintsData, err := json.Marshal(newTaints)
 	ExpectNoError(err)
+
+	if node.Annotations == nil {
+		node.Annotations = make(map[string]string)
+	}
 	node.Annotations[api.TaintsAnnotationKey] = string(taintsData)
 	_, err = c.Nodes().Update(node)
 	ExpectNoError(err)