mirror of https://github.com/k3s-io/k3s
78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubecfg
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import (
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"fmt"
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"net/http"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
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)
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type ProxyServer struct {
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Host string
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Auth *client.AuthInfo
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Client *client.Client
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}
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func makeFileHandler(prefix, base string) http.Handler {
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return http.StripPrefix(prefix, http.FileServer(http.Dir(base)))
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}
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func NewProxyServer(filebase, host string, auth *client.AuthInfo) *ProxyServer {
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server := &ProxyServer{
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Host: host,
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Auth: auth,
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Client: client.New(host, auth),
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}
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http.Handle("/api/", server)
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http.Handle("/static/", makeFileHandler("/static/", filebase))
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return server
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}
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// Starts the server, loops forever.
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func (s *ProxyServer) Serve() error {
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return http.ListenAndServe(":8001", nil)
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}
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func (s *ProxyServer) doError(w http.ResponseWriter, err error) {
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w.WriteHeader(http.StatusInternalServerError)
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w.Header().Add("Content-type", "application/json")
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data, _ := api.Encode(api.Status{
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Status: api.StatusFailure,
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Details: fmt.Sprintf("internal error: %#v", err),
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})
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w.Write(data)
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}
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func (s *ProxyServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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result := s.Client.Verb(r.Method).AbsPath(r.URL.Path).Body(r.Body).Do()
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if result.Error() != nil {
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s.doError(w, result.Error())
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return
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}
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data, err := result.Raw()
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if err != nil {
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s.doError(w, err)
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return
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}
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w.Header().Add("Content-type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(data)
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}
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