func connectToNatsServer(logger lager.Logger, c *config.Config, startMsg chan<- struct{}) *nats.Conn {
var natsClient *nats.Conn
var natsHost atomic.Value
var err error
options := natsOptions(logger, c, &natsHost, startMsg)
attempts := 3
for attempts > 0 {
natsClient, err = options.Connect()
if err == nil {
break
} else {
attempts--
time.Sleep(100 * time.Millisecond)
}
}
if err != nil {
logger.Fatal("nats-connection-error", err)
}
var natsHostStr string
natsUrl, err := url.Parse(natsClient.ConnectedUrl())
if err == nil {
natsHostStr = natsUrl.Host
}
logger.Info("Successfully-connected-to-nats", lager.Data{"host": natsHostStr})
natsHost.Store(natsHostStr)
return natsClient
}
func reconnectedHandler(nc *nats.Conn) {
log.Fatalf("connection %q reconnected to NATS Server at %q",
nc.Opts.Name, nc.ConnectedUrl())
}