// Serve starts the go-horizon system, binding it to a socket, setting up
// the shutdown signals and starting the appropriate db-streaming pumps.
func (a *App) Serve() {
a.web.router.Compile()
http.Handle("/", a.web.router)
listenStr := fmt.Sprintf(":%d", a.config.Port)
listener := bind.Socket(listenStr)
log.Infof(a.ctx, "Starting horizon on %s", listener.Addr())
graceful.HandleSignals()
bind.Ready()
graceful.PreHook(func() {
log.Info(a.ctx, "received signal, gracefully stopping")
a.Cancel()
})
graceful.PostHook(func() {
log.Info(a.ctx, "stopped")
})
if a.config.Autopump {
sse.SetPump(a.ctx, sse.AutoPump)
} else {
sse.SetPump(a.ctx, db.NewLedgerClosePump(a.ctx, a.historyDb))
}
err := graceful.Serve(listener, http.DefaultServeMux)
if err != nil {
log.Panic(a.ctx, err)
}
graceful.Wait()
}
// initLogglyLog attaches a loggly hook to our logging system.
func initLogglyLog(app *App) {
if app.config.LogglyToken == "" {
return
}
log.Infof(app.ctx, "Initializing loggly hook to: %s host: %s", app.config.LogglyToken, app.config.LogglyHost)
hook := log.NewLogglyHook(app.config.LogglyToken)
app.log.Logger.Hooks.Add(hook)
go func() {
<-app.ctx.Done()
hook.Flush()
}()
}
// initSentryLog attaches a hook to our logging system that will report
// errors and panics to the configured sentry server (from Config.SentryDSN).
func initSentryLog(app *App) {
if app.config.SentryDSN == "" {
return
}
log.Infof(app.ctx, "Initializing sentry hook to: %s", app.config.SentryDSN)
hook, err := logrus_sentry.NewSentryHook(app.config.SentryDSN, []logrus.Level{
logrus.PanicLevel,
logrus.FatalLevel,
logrus.ErrorLevel,
})
hook.Timeout = 1 * time.Second
if err != nil {
panic(err)
}
app.log.Logger.Hooks.Add(hook)
}