Micro poller written in go

poller.go

package main
 
// go run poller.go --interval 1
 
import (
	"flag"
	"log"
	"net/http"
	"time"
)

func poll(url string) string {
	resp, err := http.Head(url)
	if err != nil {
		log.Println("Error", url, err)
		return err.Error()
	}
	log.Println("Status", url, resp.Status)
	return resp.Status
}

func main() {
	targetPtr := flag.String("target", "http://google.com", "Polling target url")
	intervalPtr := flag.Int("interval", 60, "Polling interval in seconds")
	flag.Parse()

	for {
		poll(*targetPtr)
		time.Sleep(time.Duration(*intervalPtr) * time.Second)
	}
}