package main import ( "flag" "fmt" "log" "time" "zero/core/discov" ) var value = flag.String("v", "value", "the value") func main() { flag.Parse() client := discov.NewPublisher([]string{"etcd.discovery:2379"}, "028F2C35852D", *value) if err := client.KeepAlive(); err != nil { log.Fatal(err) } defer client.Stop() for { time.Sleep(time.Second) fmt.Println(*value) } }