main.go

package main

import (
	"flag"
	"fmt"
	"os"

	"github.com/mtojek/aws-closest-region/closest"
	log "github.com/sirupsen/logrus"
)

func main() {
	var verbose bool
	flag.BoolVar(&verbose, "verbose", false, "verbose mode")
	flag.Usage = usage
	flag.Parse()
	log.SetFormatter(&log.TextFormatter{
		DisableLevelTruncation: true,
		DisableTimestamp:       true,
	})
	if verbose {
		log.SetLevel(log.InfoLevel)
	} else {
		log.SetLevel(log.ErrorLevel)
	}

	serviceName := flag.Arg(0)

	services := new(closest.Services)
	serviceEndpoints, err := services.EndpointsForService(serviceName)
	if err != nil {
		log.Fatal(err)
	}

	regions := new(closest.Regions)
	closestEndpoint, err := regions.FindClosest(serviceEndpoints)
	if err != nil {
		log.Fatal(err)
	}

	fmt.Println(closestEndpoint)
}

func usage() {
	fmt.Fprintf(flag.CommandLine.Output(), "Usage of %s <flags> [serviceName]:\n", os.Args[0])
	flag.PrintDefaults()
}