update vendor

Signed-off-by: Roland.Ma <rolandma@yunify.com>

vendor/k8s.io/apiserver/pkg/endpoints/request/received_time.go

@@ -0,0 +1,45 @@
+/*
+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 request
+
+import (
+	"context"
+	"time"
+)
+
+type requestReceivedTimestampKeyType int
+
+// requestReceivedTimestampKey is the ReceivedTimestamp (the time the request reached the apiserver)
+// key for the context.
+const requestReceivedTimestampKey requestReceivedTimestampKeyType = iota
+
+// WithReceivedTimestamp returns a copy of parent context in which the ReceivedTimestamp
+// (the time the request reached the apiserver) is set.
+//
+// If the specified ReceivedTimestamp is zero, no value is set and the parent context is returned as is.
+func WithReceivedTimestamp(parent context.Context, receivedTimestamp time.Time) context.Context {
+	if receivedTimestamp.IsZero() {
+		return parent
+	}
+	return WithValue(parent, requestReceivedTimestampKey, receivedTimestamp)
+}
+
+// ReceivedTimestampFrom returns the value of the ReceivedTimestamp key from the specified context.
+func ReceivedTimestampFrom(ctx context.Context) (time.Time, bool) {
+	info, ok := ctx.Value(requestReceivedTimestampKey).(time.Time)
+	return info, ok
+}