Rename cloudcfg to kubecfg

pkg/kubecfg/proxy_server.go

@@ -0,0 +1,88 @@
+/*
+Copyright 2014 Google Inc. All rights reserved.
+
+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 kubecfg
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
+)
+
+type ProxyServer struct {
+	Host   string
+	Auth   *client.AuthInfo
+	Client *client.Client
+}
+
+func NewProxyServer(filebase, host string, auth *client.AuthInfo) *ProxyServer {
+	server := &ProxyServer{
+		Host:   host,
+		Auth:   auth,
+		Client: client.New(host, auth),
+	}
+	fileServer := &fileServer{
+		prefix: "/static/",
+		base:   filebase,
+	}
+	http.Handle("/api/", server)
+	http.Handle("/static/", fileServer)
+	return server
+}
+
+// Starts the server, loops forever.
+func (s *ProxyServer) Serve() error {
+	return http.ListenAndServe(":8001", nil)
+}
+
+func (s *ProxyServer) doError(w http.ResponseWriter, err error) {
+	w.WriteHeader(http.StatusInternalServerError)
+	w.Header().Add("Content-type", "application/json")
+	data, _ := api.Encode(api.Status{
+		Status:  api.StatusFailure,
+		Details: fmt.Sprintf("internal error: %#v", err),
+	})
+	w.Write(data)
+}
+
+func (s *ProxyServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	result := s.Client.Verb(r.Method).AbsPath(r.URL.Path).Body(r.Body).Do()
+	if result.Error() != nil {
+		s.doError(w, result.Error())
+		return
+	}
+	data, err := result.Raw()
+	if err != nil {
+		s.doError(w, err)
+		return
+	}
+	w.Write(data)
+}
+
+type fileServer struct {
+	prefix string
+	base   string
+}
+
+func (f *fileServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	filename := r.URL.Path[len(f.prefix):]
+	bytes, _ := ioutil.ReadFile(f.base + filename)
+	w.WriteHeader(http.StatusOK)
+	w.Write(bytes)
+}