mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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92 lines
2.5 KiB
Go
92 lines
2.5 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 apiserver
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import (
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"net/http"
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"time"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/httplog"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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)
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type RedirectHandler struct {
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storage map[string]RESTStorage
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codec runtime.Codec
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context api.RequestContextMapper
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apiRequestInfoResolver *APIRequestInfoResolver
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}
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func (r *RedirectHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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var verb string
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var apiResource string
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var httpCode int
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reqStart := time.Now()
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defer func() { monitor("redirect", verb, apiResource, httpCode, reqStart) }()
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requestInfo, err := r.apiRequestInfoResolver.GetAPIRequestInfo(req)
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if err != nil {
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notFound(w, req)
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httpCode = http.StatusNotFound
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return
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}
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verb = requestInfo.Verb
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resource, parts := requestInfo.Resource, requestInfo.Parts
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ctx, ok := r.context.Get(req)
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if !ok {
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ctx = api.NewContext()
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}
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ctx = api.WithNamespace(ctx, requestInfo.Namespace)
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// redirection requires /resource/resourceName path parts
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if len(parts) != 2 || req.Method != "GET" {
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notFound(w, req)
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httpCode = http.StatusNotFound
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return
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}
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id := parts[1]
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storage, ok := r.storage[resource]
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if !ok {
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httplog.LogOf(req, w).Addf("'%v' has no storage object", resource)
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notFound(w, req)
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httpCode = http.StatusNotFound
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return
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}
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apiResource = resource
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redirector, ok := storage.(Redirector)
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if !ok {
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httplog.LogOf(req, w).Addf("'%v' is not a redirector", resource)
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httpCode = errorJSON(errors.NewMethodNotSupported(resource, "redirect"), r.codec, w)
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return
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}
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location, err := redirector.ResourceLocation(ctx, id)
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if err != nil {
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status := errToAPIStatus(err)
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writeJSON(status.Code, r.codec, status, w)
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httpCode = status.Code
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return
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}
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w.Header().Set("Location", location)
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w.WriteHeader(http.StatusTemporaryRedirect)
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httpCode = http.StatusTemporaryRedirect
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}
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