51 lines
1.8 KiB
Go
51 lines
1.8 KiB
Go
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/*
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Copyright 2014 The Kubernetes Authors.
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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 routes
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import (
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"net/http"
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"sort"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/pkg/genericapiserver/api/handlers/responsewriters"
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"k8s.io/kubernetes/pkg/genericapiserver/mux"
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)
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// Index provides a webservice for the http root / listing all known paths.
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type Index struct{}
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// Install adds the Index webservice to the given mux.
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func (i Index) Install(c *mux.APIContainer) {
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c.UnlistedRoutes.HandleFunc("/", 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 api.Registry.
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// We want 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 c.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, c.NonSwaggerRoutes.HandledPaths()...)
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sort.Strings(handledPaths)
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responsewriters.WriteRawJSON(status, metav1.RootPaths{Paths: handledPaths}, w)
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})
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}
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