fixed healthcheck failed to disable and nil dereference

internal/api/handler.go

@@ -31,6 +31,7 @@ func NewHandler() http.Handler {
 	mux.HandleFunc("POST", "/v1/reload", v1.Reload)
 	mux.HandleFunc("GET", "/v1/list", v1.List)
 	mux.HandleFunc("GET", "/v1/list/{what}", v1.List)
+	mux.HandleFunc("GET", "/v1/list/{what}/{which}", v1.List)
 	mux.HandleFunc("GET", "/v1/file", v1.GetFileContent)
 	mux.HandleFunc("GET", "/v1/file/{filename...}", v1.GetFileContent)
 	mux.HandleFunc("POST", "/v1/file/{filename...}", v1.SetFileContent)

internal/api/v1/list.go

@@ -14,6 +14,7 @@ import (
 )
 
 const (
+	ListRoute            = "route"
 	ListRoutes           = "routes"
 	ListConfigFiles      = "config_files"
 	ListMiddlewares      = "middlewares"
@@ -28,8 +29,16 @@ func List(w http.ResponseWriter, r *http.Request) {
 	if what == "" {
 		what = ListRoutes
 	}
+	which := r.PathValue("which")
 
 	switch what {
+	case ListRoute:
+		if route := listRoute(which); route == nil {
+			http.Error(w, "not found", http.StatusNotFound)
+			return
+		} else {
+			U.RespondJSON(w, r, route)
+		}
 	case ListRoutes:
 		U.RespondJSON(w, r, config.RoutesByAlias(route.RouteType(r.FormValue("type"))))
 	case ListConfigFiles:
@@ -49,6 +58,21 @@ func List(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func listRoute(which string) any {
+	if which == "" {
+		which = "all"
+	}
+	if which == "all" {
+		return config.RoutesByAlias()
+	}
+	routes := config.RoutesByAlias()
+	route, ok := routes[which]
+	if !ok {
+		return nil
+	}
+	return route
+}
+
 func listConfigFiles(w http.ResponseWriter, r *http.Request) {
 	files, err := utils.ListFiles(common.ConfigBasePath, 1)
 	if err != nil {