/
main.go
87 lines (68 loc) · 1.96 KB
/
main.go
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package main
import (
"fmt"
"math/rand"
"time"
"gopkg.in/amz.v1/aws"
"gopkg.in/amz.v1/s3"
)
func main() {
// We want the put the same sequence of objects so we don't accumulate storage
rand.Seed(0)
// Limit determines how fast objects are put.
limit := make(chan bool)
goHome := make(chan bool)
// 100 partiers :)
for i := 0; i < 100; i++ {
go putParty(limit);
}
// 1 party pooper :(
go partyPooper(limit, goHome)
<- goHome
}
func putParty(limit chan bool) {
// Put to the max!
for {
<-limit
put()
}
}
func partyPooper(limit, goHome chan bool) {
// Don't party too fast! Don't party too long!
start := time.Now()
for {
elapsed := time.Since(start)
if (elapsed > 1000000000 * 60 * 10 /* 10 minutes */) {
fmt.Printf("\n")
goHome <- true
}
limit <- true
time.Sleep(10 * time.Millisecond) /* 100 TPS */
}
}
func put() {
// The AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment variables are used.
auth, err := aws.EnvAuth()
if err != nil {
panic(err.Error())
}
// Open Bucket
s := s3.New(auth, aws.USEast)
bucket := s.Bucket("joburnet-lambda-sources")
data := []byte("bang!")
key := randSeq(32)
err = bucket.Put(key, data, "content-type", s3.Private)
if err != nil {
fmt.Printf("%v", err)
} else {
fmt.Printf(".")
}
}
var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
func randSeq(n int) string {
b := make([]rune, n)
for i := range b {
b[i] = letters[rand.Intn(len(letters))]
}
return string(b)
}