func (z *ZkConfigPersister) waitForEvents(watch *ZkWatch) {
defer z.wg.Done()
for {
select {
case event := <-watch.channel:
if event.Err != nil {
logging.Print("Received error from zookeeper", event)
}
case <-watch.stopper:
return
}
channel, err := watch.listener()
if err != nil {
logging.Printf("Received error from zookeeper executing listener: %+v", err)
continue
}
watch.channel = channel
}
}
// ServeAdminConsole serves up an admin console for an Administrable using Go's built-in HTTP server
// library. `assetsDirectory` contains HTML templates and other UI assets. If empty, no UI will be
// served, and only REST endpoints under `/api/` will be served.
func ServeAdminConsole(a Administrable, mux *http.ServeMux, assetsDirectory string, development bool) {
if assetsDirectory != "" {
msg := "Serving assets from %s"
if development {
msg += " (in development mode)"
}
logging.Printf(msg, assetsDirectory)
mux.Handle("/", loggingHandler(http.RedirectHandler("/admin/", 301)))
mux.Handle("/admin/", loggingHandler(NewUIHandler(a, assetsDirectory, development)))
mux.Handle("/js/", loggingHandler(http.FileServer(http.Dir(assetsDirectory))))
mux.Handle("/favicon.ico", http.NotFoundHandler())
} else {
logging.Print("Not serving admin web UI.")
mux.Handle("/", loggingHandler(http.NotFoundHandler()))
}
bucketsHandler := NewBucketsAPIHandler(a)
namespacesHandler := NewNamespacesAPIHandler(a)
apiHandler := loggingHandler(jsonResponseHandler(apiRequestHandler(
namespacesHandler, bucketsHandler)))
mux.Handle("/api", apiHandler)
mux.Handle("/api/", apiHandler)
statsHandler := loggingHandler(jsonResponseHandler(NewStatsAPIHandler(a)))
mux.Handle("/api/stats", statsHandler)
mux.Handle("/api/stats/", statsHandler)
configsHandler := loggingHandler(jsonResponseHandler(NewConfigsAPIHandler(a)))
mux.Handle("/api/configs", configsHandler)
mux.Handle("/api/configs/", configsHandler)
}