mirror of https://github.com/k3s-io/k3s
47 lines
1.6 KiB
Go
47 lines
1.6 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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"sort"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/emicklei/go-restful"
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)
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func IndexHandler(container *restful.Container, muxHelper *MuxHelper) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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status := http.StatusOK
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if r.URL.Path != "/" && r.URL.Path != "/index.html" {
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// Since "/" matches all paths, handleIndex is called for all paths for which there is no handler registered.
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// We want to to return a 404 status with a list of all valid paths, incase of an invalid URL request.
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status = http.StatusNotFound
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}
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var handledPaths []string
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// Extract the paths handled using restful.WebService
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for _, ws := range container.RegisteredWebServices() {
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handledPaths = append(handledPaths, ws.RootPath())
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}
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// Extract the paths handled using mux handler.
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handledPaths = append(handledPaths, muxHelper.RegisteredPaths...)
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sort.Strings(handledPaths)
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writeRawJSON(status, api.RootPaths{Paths: handledPaths}, w)
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}
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}
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