Add vendor folder to git

vendor/k8s.io/apiserver/pkg/endpoints/metrics/metrics_test.go

@@ -0,0 +1,54 @@
+/*
+Copyright 2015 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 metrics
+
+import "testing"
+
+func TestCleanUserAgent(t *testing.T) {
+	panicBuf := []byte{198, 73, 129, 133, 90, 216, 104, 29, 13, 134, 209, 233, 30, 0, 22}
+
+	for _, tc := range []struct {
+		In  string
+		Out string
+	}{
+		{
+			In:  "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+			Out: "Browser",
+		},
+		{
+			In:  "kubectl/v1.2.4",
+			Out: "kubectl/v1.2.4",
+		},
+		{
+			In:  `C:\Users\Kubernetes\kubectl.exe/v1.5.4`,
+			Out: "kubectl.exe/v1.5.4",
+		},
+		{
+			In:  `C:\Program Files\kubectl.exe/v1.5.4`,
+			Out: "kubectl.exe/v1.5.4",
+		},
+		{
+			// This malicious input courtesy of enisoc.
+			In:  string(panicBuf) + "kubectl.exe",
+			Out: "kubectl.exe",
+		},
+	} {
+		if cleanUserAgent(tc.In) != tc.Out {
+			t.Errorf("Failed to clean User-Agent: %s", tc.In)
+		}
+	}
+}