Add simple http server and dashboard prototype

cmd/printer/main.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/localhots/koff"
+	"github.com/localhots/pretty"
+)
+
+const topicName = "__consumer_offsets"
+
+func main() {
+	brokers := flag.String("brokers", "", "Comma separated list of brokers")
+	flag.Parse()
+
+	if *brokers == "" {
+		fmt.Println("Brokers list required")
+		flag.Usage()
+		os.Exit(1)
+	}
+
+	c, err := koff.NewConsumer(strings.Split(*brokers, ","), false)
+	if err != nil {
+		log.Fatalf("Failed to create consumer: %v", err)
+	}
+	defer c.Close()
+
+	for msg := range c.Messages() {
+		if msg.GroupMessage != nil {
+			pretty.Println("MESSAGE", msg)
+		}
+	}
+}