vendor update for E2E framework

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/k8s.io/kubernetes/pkg/kubelet/sysctl/namespace.go

@@ -0,0 +1,60 @@
+/*
+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 sysctl
+
+import (
+	"strings"
+)
+
+// Namespace represents a kernel namespace name.
+type Namespace string
+
+const (
+	// the Linux IPC namespace
+	IpcNamespace = Namespace("ipc")
+
+	// the network namespace
+	NetNamespace = Namespace("net")
+
+	// the zero value if no namespace is known
+	UnknownNamespace = Namespace("")
+)
+
+var namespaces = map[string]Namespace{
+	"kernel.sem": IpcNamespace,
+}
+
+var prefixNamespaces = map[string]Namespace{
+	"kernel.shm": IpcNamespace,
+	"kernel.msg": IpcNamespace,
+	"fs.mqueue.": IpcNamespace,
+	"net.":       NetNamespace,
+}
+
+// NamespacedBy returns the namespace of the Linux kernel for a sysctl, or
+// UnknownNamespace if the sysctl is not known to be namespaced.
+func NamespacedBy(val string) Namespace {
+	if ns, found := namespaces[val]; found {
+		return ns
+	}
+	for p, ns := range prefixNamespaces {
+		if strings.HasPrefix(val, p) {
+			return ns
+		}
+	}
+	return UnknownNamespace
+}