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package main
import (
"fmt"
"log"
"net/http"
"github.com/gliderlabs/ssh"
"github.com/gorilla/mux"
)
var (
metrics_num_passwords int
metrics_city_num map[string]int
cities map[string]location
)
func main() {
// create a map mapping a city to an amount of hits
metrics_city_num = make(map[string]int)
// create a cities map mapping a city to a location
cities = make(map[string]location)
// parse flags building a config struct
config := parseFlags()
// start the ssh server
log.Println("Starting SSH listener")
go func() {
sshPortString := fmt.Sprintf(":%d", config.sshPort)
listenErr := ssh.ListenAndServe(sshPortString, nil, ssh.PasswordAuth(handlePass))
if listenErr != nil {
log.Fatalln(listenErr.Error())
}
}()
// start the http server logging the metrics
log.Println("Starting HTTP metrics listener")
r := mux.NewRouter()
r.HandleFunc("/", indexHandler)
r.HandleFunc("/metrics", metricsHandler)
r.HandleFunc("/locations", locationHandlerEndpoint)
// start the http server exposing the metrics and the locations
httpPortString := fmt.Sprintf(":%d", config.httpPort)
listenErr := http.ListenAndServe(httpPortString, r)
// handle potential errors
if listenErr != nil {
log.Fatalln(listenErr.Error())
}
}
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