Revolyssup commented on code in PR #2550: URL: https://github.com/apache/apisix-ingress-controller/pull/2550#discussion_r2354509412
########## internal/provider/common/adcdebugserver.go: ########## @@ -0,0 +1,341 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you 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 common + +import ( + "encoding/json" + "fmt" + "html/template" + "net/http" + "net/url" + + adctypes "github.com/apache/apisix-ingress-controller/api/adc" + "github.com/apache/apisix-ingress-controller/internal/adc/cache" + "github.com/apache/apisix-ingress-controller/internal/types" +) + +type ResourceInfo struct { + ID string + Name string + Type string + Link string +} + +type ADCDebugProvider struct { + store *cache.Store + configManager *ConfigManager[types.NamespacedNameKind, adctypes.Config] + pathPrefix string +} + +func newTemplate(name, body string) *template.Template { + return template.Must(template.New(name). + Funcs(template.FuncMap{"urlencode": url.QueryEscape}). + Parse(body)) +} + +func (asrv *ADCDebugProvider) SetupHandler(pathPrefix string, mux *http.ServeMux) { + asrv.pathPrefix = pathPrefix + mux.HandleFunc("/config", asrv.handleConfig) + mux.HandleFunc("/", asrv.handleIndex) +} + +func NewADCDebugProvider(store *cache.Store, configManager *ConfigManager[types.NamespacedNameKind, adctypes.Config]) *ADCDebugProvider { + return &ADCDebugProvider{store: store, configManager: configManager} +} + +func (asrv *ADCDebugProvider) handleIndex(w http.ResponseWriter, r *http.Request) { + configs := asrv.configManager.List() + configNames := make([]string, 0, len(configs)) + for _, cfg := range configs { + configNames = append(configNames, cfg.Name) + } + + tmpl := newTemplate("index", ` + <html> + <head><title>ADC Debug Server</title></head> + <body> + <h1>Configurations</h1> + <ul> + {{range .ConfigNames}} + <li><a href="{{$.Prefix}}/config?name={{. | urlencode}}">{{.}}</a></li> + {{end}} + </ul> + </body> + </html> + `) + + _ = tmpl.Execute(w, struct { + ConfigNames []string + Prefix string + }{ConfigNames: configNames, Prefix: asrv.pathPrefix}) +} + +func (asrv *ADCDebugProvider) handleConfig(w http.ResponseWriter, r *http.Request) { + configNameEncoded := r.URL.Query().Get("name") + if configNameEncoded == "" { + http.Error(w, "Config name is required", http.StatusBadRequest) + return + } + + configName, err := url.QueryUnescape(configNameEncoded) + if err != nil { + http.Error(w, "Invalid config name encoding", http.StatusBadRequest) + return + } + + resourceIDEncoded := r.URL.Query().Get("id") + resourceID := "" + if resourceIDEncoded != "" { + resourceID, err = url.QueryUnescape(resourceIDEncoded) + if err != nil { + http.Error(w, "Invalid resource ID encoding", http.StatusBadRequest) + return + } + } + + resourceType := r.URL.Query().Get("type") + + if resourceType == "" { + asrv.showResourceTypes(w, configName, url.QueryEscape(configName)) + return + } + + if resourceID == "" { + asrv.showResources(w, r, configName, url.QueryEscape(configName), resourceType) + return + } + + asrv.showResourceDetail(w, r, configName, resourceType, resourceID) +} + +func (asrv *ADCDebugProvider) showResourceTypes(w http.ResponseWriter, configName, configNameEncoded string) { + resourceTypes := []string{"services", "routes", "consumers", "ssls", "globalrules", "pluginmetadata"} + + tmpl := newTemplate("resources", ` + <html> + <head><title>Resources for {{.ConfigName}}</title></head> + <body> + <h1>Resources for {{.ConfigName}}</h1> + <ul> + {{range .ResourceTypes}} + <li><a href="{{$.Prefix}}/config?name={{$.ConfigNameEncoded}}&type={{. | urlencode}}">{{.}}</a></li> + {{end}} + </ul> + </body> + </html> + `) + + _ = tmpl.Execute(w, struct { + ConfigName string + ConfigNameEncoded string + ResourceTypes []string + Prefix string + }{ + ConfigName: configName, + ConfigNameEncoded: configNameEncoded, + ResourceTypes: resourceTypes, + Prefix: asrv.pathPrefix, + }) +} + +func (asrv *ADCDebugProvider) showResources(w http.ResponseWriter, r *http.Request, configName, configNameEncoded, resourceType string) { + resources, err := asrv.store.GetResources(configName) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + var resourceInfos []ResourceInfo + switch resourceType { + case "services": + for _, svc := range resources.Services { + resourceInfos = append(resourceInfos, ResourceInfo{ + ID: svc.ID, + Name: svc.Name, + Type: resourceType, + Link: fmt.Sprintf("%s/config?name=%s&type=%s&id=%s", + asrv.pathPrefix, configNameEncoded, url.QueryEscape(resourceType), url.QueryEscape(svc.ID)), + }) + } + case "consumers": Review Comment: done -- This is an automated message from the Apache Git Service. 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