git subrepo clone (merge) https://github.com/kubernetes-incubator/metrics-server.git metrics-server

subrepo:
  subdir:   "metrics-server"
  merged:   "92d8412"
upstream:
  origin:   "https://github.com/kubernetes-incubator/metrics-server.git"
  branch:   "master"
  commit:   "92d8412"
git-subrepo:
  version:  "0.4.0"
  origin:   "???"
  commit:   "???"
diff --git a/metrics-server/vendor/k8s.io/client-go/tools/clientcmd/helpers.go b/metrics-server/vendor/k8s.io/client-go/tools/clientcmd/helpers.go
new file mode 100644
index 0000000..b609d1a
--- /dev/null
+++ b/metrics-server/vendor/k8s.io/client-go/tools/clientcmd/helpers.go
@@ -0,0 +1,35 @@
+/*
+Copyright 2016 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 clientcmd
+
+import (
+	"fmt"
+	"strconv"
+	"time"
+)
+
+// ParseTimeout returns a parsed duration from a string
+// A duration string value must be a positive integer, optionally followed by a corresponding time unit (s|m|h).
+func ParseTimeout(duration string) (time.Duration, error) {
+	if i, err := strconv.ParseInt(duration, 10, 64); err == nil && i >= 0 {
+		return (time.Duration(i) * time.Second), nil
+	}
+	if requestTimeout, err := time.ParseDuration(duration); err == nil {
+		return requestTimeout, nil
+	}
+	return 0, fmt.Errorf("Invalid timeout value. Timeout must be a single integer in seconds, or an integer followed by a corresponding time unit (e.g. 1s | 2m | 3h)")
+}