diff --git a/vendor/k8s.io/api/core/v1/taint.go b/vendor/k8s.io/api/core/v1/taint.go
new file mode 100644
index 0000000..db71bd2
--- /dev/null
+++ b/vendor/k8s.io/api/core/v1/taint.go
@@ -0,0 +1,39 @@
+/*
+Copyright 2017 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 v1
+
+import "fmt"
+
+// 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>', '<key>=<value>:', '<key>:<effect>', or '<key>'.
+func (t *Taint) ToString() string {
+	if len(t.Effect) == 0 {
+		if len(t.Value) == 0 {
+			return fmt.Sprintf("%v", t.Key)
+		}
+		return fmt.Sprintf("%v=%v:", t.Key, t.Value)
+	}
+	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)
+}