k6-sample-go-server.go

package main

import (
	"fmt"
	"math/rand"
	"net/http"
	"time"
)

func hello(w http.ResponseWriter, req *http.Request) {
	if rand.Float64() < 0.1 {
		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
		return
	} else {
		time.Sleep(time.Duration(rand.Intn(500)) * time.Millisecond)
		fmt.Fprintf(w, "hello\n")
	}
}

func main() {

	http.HandleFunc("/", hello)

	http.ListenAndServe(":8000", nil)
}