func main() {
flag.StringVar(&url, "u", "", "URL to load test (required)")
flag.StringVar(&method, "m", "GET", "HTTP method")
flag.UintVar(&concurrency, "c", 10, "number of concurrent requests")
flag.UintVar(&requests, "n", 1000, "number of total requests to make")
flag.UintVar(&timeout, "t", 15, "request timeout in seconds")
flag.StringVar(®ions, "r", "us-east-1,eu-west-1,ap-northeast-1", "AWS regions to run in (comma separated, no spaces)")
flag.Parse()
if url == "" {
flag.Usage()
os.Exit(0)
}
test, testerr := goad.NewTest(&goad.TestConfig{
URL: url,
Concurrency: concurrency,
TotalRequests: requests,
RequestTimeout: time.Duration(timeout) * time.Second,
Regions: strings.Split(regions, ","),
Method: method,
})
if testerr != nil {
fmt.Println(testerr)
os.Exit(1)
}
var finalResult queue.RegionsAggData
defer printSummary(&finalResult)
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) // but interrupts from kbd are blocked by termbox
start(test, &finalResult, sigChan)
}
func serveResults(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/goad" {
http.Error(w, "Not found", 404)
return
}
if r.Method != "GET" {
http.Error(w, "Method not allowed", 405)
return
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
url := r.URL.Query().Get("url")
if len(url) == 0 {
http.Error(w, "Missing URL", 400)
return
}
// Commented out param handling, we have hard coded limits for the website testing
//
// concurrencyStr := r.URL.Query().Get("c")
// concurrency, cerr := strconv.Atoi(concurrencyStr)
// if cerr != nil {
// http.Error(w, "Invalid concurrency", 400)
// return
// }
//
// totStr := r.URL.Query().Get("tot")
// tot, toterr := strconv.Atoi(totStr)
// if toterr != nil {
// http.Error(w, "Invalid total", 400)
// return
// }
//
// timeoutStr := r.URL.Query().Get("timeout")
// timeout, timeouterr := strconv.Atoi(timeoutStr)
// if timeouterr != nil {
// http.Error(w, "Invalid timeout", 400)
// return
// }
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
log.Print("Websocket upgrade:", err)
return
}
defer c.Close()
config := goad.TestConfig{
URL: url,
Concurrency: 5,
TotalRequests: 1000,
RequestTimeout: time.Duration(5 * time.Second),
Regions: []string{"us-east-1", "eu-west-1"},
Method: "GET",
}
test, testerr := goad.NewTest(&config)
if testerr != nil {
fmt.Println(testerr)
return
}
resultChan := test.Start()
for result := range resultChan {
message, jsonerr := jsonFromRegionsAggData(result)
if jsonerr != nil {
log.Println(jsonerr)
break
}
go readLoop(c)
err = c.WriteMessage(websocket.TextMessage, []byte(message))
if err != nil {
log.Println("write:", err)
break
}
}
}