inital commit

consumer/main.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/segmentio/kafka-go"
+)
+
+var id = flag.String("id", "", "Consumer ID")
+
+func main() {
+	flag.Parse()
+
+	ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGTERM, os.Interrupt)
+	defer cancel()
+
+	go func() {
+		reader := kafka.NewReader(kafka.ReaderConfig{
+			Brokers:        []string{"127.0.0.1:29092"},
+			Topic:          "demo",
+			GroupID:        "my-group",
+			SessionTimeout: time.Second * 6,
+		})
+		defer reader.Close()
+
+		for {
+			msg, err := reader.ReadMessage(ctx)
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			fmt.Printf("Consumer: %s Parition: %d Offset: %d Key: %s\n", *id, msg.Partition, msg.Offset, msg.Key)
+			time.Sleep(300 * time.Millisecond)
+
+		}
+	}()
+
+	<-ctx.Done()
+}