a simple queue status query

monitor.go

package main

import (
	"encoding/json"
	"fmt"
	"log"
	"os"

	"github.com/ogier/pflag"
	"github.com/streadway/amqp"
)

func fatal(err error) {
	if err != nil {
		log.Print(err)
		os.Exit(-1)
	}
}

func main() {
	address := pflag.String("address", "127.0.0.1", "rabbitmq address")
	port := pflag.Int("port", 5672, "rabbitmq port")
	user := pflag.StringP("user", "u", "guest", "rabbitmq user")
	password := pflag.StringP("password", "p", "guest", "rabbitmq password")
	queue := pflag.StringP("queue", "q", "", "rabbitmq queue")

	pflag.Parse()

	conn, err := amqp.Dial(fmt.Sprintf("amqp://%s:%s@%s:%d/", *user, *password, *address, *port))
	fatal(err)

	channel, err := conn.Channel()
	fatal(err)

	q, err := channel.QueueInspect(*queue)
	fatal(err)

	data, err := json.MarshalIndent(q, "", "\t")
	fatal(err)

	fmt.Println(string(data))
}