Switch to github.com/golang/dep for vendoring

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/k8s.io/kubernetes/pkg/util/configz/configz.go

@@ -0,0 +1,86 @@
+/*
+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 configz
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"sync"
+)
+
+var (
+	configsGuard sync.RWMutex
+	configs      = map[string]*Config{}
+)
+
+type Config struct {
+	val interface{}
+}
+
+func InstallHandler(m mux) {
+	m.Handle("/configz", http.HandlerFunc(handle))
+}
+
+type mux interface {
+	Handle(string, http.Handler)
+}
+
+func New(name string) (*Config, error) {
+	configsGuard.Lock()
+	defer configsGuard.Unlock()
+	if _, found := configs[name]; found {
+		return nil, fmt.Errorf("register config %q twice", name)
+	}
+	newConfig := Config{}
+	configs[name] = &newConfig
+	return &newConfig, nil
+}
+
+func Delete(name string) {
+	configsGuard.Lock()
+	defer configsGuard.Unlock()
+	delete(configs, name)
+}
+
+func (v *Config) Set(val interface{}) {
+	configsGuard.Lock()
+	defer configsGuard.Unlock()
+	v.val = val
+}
+
+func (v *Config) MarshalJSON() ([]byte, error) {
+	return json.Marshal(v.val)
+}
+
+func handle(w http.ResponseWriter, r *http.Request) {
+	if err := write(w); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func write(w io.Writer) error {
+	configsGuard.Lock()
+	defer configsGuard.Unlock()
+	b, err := json.Marshal(configs)
+	if err != nil {
+		return fmt.Errorf("error marshaling json: %v", err)
+	}
+	_, err = w.Write(b)
+	return err
+}