func connectToNatsServer(logger lager.Logger, c *config.Config) *nats.Conn {
var natsClient *nats.Conn
var err error
natsServers := c.NatsServers()
attempts := 3
for attempts > 0 {
options := nats.DefaultOptions
options.Servers = natsServers
options.PingInterval = c.NatsClientPingInterval
options.ClosedCB = func(conn *nats.Conn) {
logger.Fatal("nats-connection-closed", errors.New("unexpected close"), lager.Data{"last_error": conn.LastError()})
}
natsClient, err = options.Connect()
if err == nil {
break
} else {
attempts--
time.Sleep(100 * time.Millisecond)
}
}
if err != nil {
logger.Fatal("nats-connection-error", err)
}
return natsClient
}
func connectToNatsServer(c *config.Config, logger *steno.Logger) yagnats.NATSConn {
var natsClient yagnats.NATSConn
var err error
natsServers := c.NatsServers()
attempts := 3
for attempts > 0 {
natsClient, err = yagnats.Connect(natsServers)
if err == nil {
break
} else {
attempts--
time.Sleep(100 * time.Millisecond)
}
}
if err != nil {
logger.Errorf("Error connecting to NATS: %s\n", err)
os.Exit(1)
}
natsClient.AddClosedCB(func(conn *nats.Conn) {
logger.Errorf("Close on NATS client. nats.Conn: %+v", *conn)
os.Exit(1)
})
return natsClient
}
func connectToNatsServer(logger lager.Logger, c *config.Config) yagnats.NATSConn {
var natsClient yagnats.NATSConn
var err error
natsServers := c.NatsServers()
attempts := 3
for attempts > 0 {
natsClient, err = yagnats.Connect(natsServers)
if err == nil {
break
} else {
attempts--
time.Sleep(100 * time.Millisecond)
}
}
if err != nil {
logger.Fatal("nats-connection-error", err)
}
natsClient.AddClosedCB(func(conn *nats.Conn) {
logger.Fatal("nats-connection-closed", errors.New("unexpected close"), lager.Data{"connection": *conn})
})
return natsClient
}