Reconnect on failure

main.go

@@ -29,7 +29,7 @@ func main() {
 
 	// Create Jetstream client with proper configuration
 	config := &client.ClientConfig{
-		WebsocketURL: "wss://jetstream2.us-east.bsky.network/subscribe",
+		WebsocketURL: "wss://jetstream1.us-east.bsky.network/subscribe",
 	}
 	logger := slog.Default()
 	scheduler := parallel.NewScheduler(runtime.NumCPU(), "nats-proxy", logger, func(ctx context.Context, e *models.Event) error {
@@ -59,20 +59,28 @@ func main() {
 	})
 	log.Println("Created config, logger, scheduler")
 
-	jc, err := client.NewClient(config, logger, scheduler)
-	if err != nil {
-		log.Fatalf("Error creating Jetstream client: %v", err)
-	}
+	go func() {
+		cursor := time.Now().UnixMicro()
 
-	cursor := time.Now().UnixMicro()
+		totalServers := 2 // See: https://github.com/bluesky-social/jetstream?tab=readme-ov-file#public-instances
 
-	if err := jc.ConnectAndRead(context.Background(), &cursor); err != nil {
-		log.Fatalf("failed to connect: %v", err)
-	}
+		for i := 0; true; i++ {
+			jc, err := client.NewClient(config, logger, scheduler)
+			if err != nil {
+				log.Fatalf("Error creating Jetstream client: %v", err)
+			}
 
-	if err != nil {
-		log.Fatalf("Error reading from Jetstream: %v", err)
-	}
+			if err := jc.ConnectAndRead(context.Background(), &cursor); err != nil {
+				log.Printf("failed to connect: %v\n", err)
+			}
+
+			time.Sleep(1 * time.Second)
+
+			// alternate between available jetstream servers
+			config.WebsocketURL = fmt.Sprintf("wss://jetstream%d.us-east.bsky.network/subscribe", i%totalServers+1)
+			log.Printf("connecting to %s instead\n", config.WebsocketURL)
+		}
+	}()
 
 	// Wait for interrupt signal to gracefully shut down
 	interrupt := make(chan os.Signal, 1)