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|
package main
import (
"context"
"crypto/tls"
"fmt"
"io"
"io/ioutil"
"log"
"math/rand"
"net/http"
"net/http/httptrace"
"os"
"strconv"
"time"
"github.com/google/uuid"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/service/s3"
)
type PRNG struct {
rem int64
}
func (r *PRNG) Read(p []byte) (n int, err error) {
//log.Printf("rem=%d, buf=%d\n", r.rem, len(p))
if int64(len(p)) > r.rem {
p = p[:r.rem]
}
if int64(len(p)) > r.rem {
log.Fatal("LOGIC ERROR")
}
n, err = rand.Read(p)
if err != nil {
return
}
r.rem -= int64(n)
if r.rem <= 0 {
err = io.EOF
//log.Printf("PRNG file has been fully read. rem=%d,n=%d,err=%s\n", r.rem, n, err)
}
return
}
func main() {
var err error
fmt.Printf("nanoseconds\n")
// Initial setup
_, isSSL := os.LookupEnv("SSL")
opts := minio.Options{
Creds: credentials.NewStaticV4(os.Getenv("AWS_ACCESS_KEY_ID"), os.Getenv("AWS_SECRET_ACCESS_KEY"), ""),
Secure: isSSL,
}
if region, ok := os.LookupEnv("AWS_REGION"); ok {
opts.Region = region
}
if _, ok := os.LookupEnv("SSL_INSECURE"); ok {
opts.Transport = &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}}
}
size := 1 * 1024 * 1024 // 1 MB
if env_size, ok := os.LookupEnv("SIZE"); ok {
size, err = strconv.Atoi(env_size)
if err != nil {
log.Fatal(err)
return
}
}
repeat := 60
if env_repeat, ok := os.LookupEnv("REPEAT"); ok {
repeat, err = strconv.Atoi(env_repeat)
if err != nil {
log.Fatal(err)
return
}
}
mc, err := minio.New(os.Getenv("ENDPOINT"), &opts)
if err != nil {
log.Fatal("failed connect", err)
return
}
// AWS SDK stuff
customResolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) {
return aws.Endpoint{
PartitionID: "aws",
URL: "http://"+os.Getenv("ENDPOINT"),
SigningRegion: region,
}, nil
})
cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithEndpointResolverWithOptions(customResolver))
if err != nil {
log.Fatalf("failed to load configuration, %v", err)
}
// Create an Amazon S3 service client
client := s3.NewFromConfig(cfg, func(opts *s3.Options) {
opts.UsePathStyle = true
})
// Create Bucket
buck := uuid.New().String()
err = mc.MakeBucket(context.Background(), buck, minio.MakeBucketOptions{})
if err != nil {
log.Fatal(err)
return
}
// Send an object
prng := new(PRNG)
prng.rem = int64(size)
key := uuid.New().String()
_, err = mc.PutObject(
context.Background(),
buck,
key,
prng,
int64(size),
minio.PutObjectOptions{ContentType: "application/octet-stream"},
)
if err != nil {
log.Fatal("unable to upload our test object")
return
}
for i := 0; i < repeat; i++ {
// Now, try to fetch it *repeat* times (assume no caching)
var elapsed time.Duration
var start time.Time
trace := &httptrace.ClientTrace{
GotFirstResponseByte: func() { elapsed = time.Since(start) },
}
start = time.Now()
/*object, err := mc.GetObject(httptrace.WithClientTrace(context.Background(), trace), buck, key, minio.GetObjectOptions{})
if err != nil {
log.Fatal(err)
return
}*/
out, err := client.GetObject(httptrace.WithClientTrace(context.Background(), trace), &s3.GetObjectInput {
Bucket: aws.String(buck),
Key: aws.String(key),
})
if err != nil {
log.Fatal(err)
return
}
object := out.Body
if _, err = io.Copy(ioutil.Discard, object) ; err != nil {
log.Fatal("failed getobject: ", err)
return
}
fmt.Printf("%v\n", elapsed.Nanoseconds())
//time.Sleep(10 * time.Second)
}
}
/*
func timeGet(url string) {
req, _ := http.NewRequest("GET", url, nil)
var start, connect, dns, tlsHandshake time.Time
trace := &httptrace.ClientTrace{
DNSStart: func(dsi httptrace.DNSStartInfo) { dns = time.Now() },
DNSDone: func(ddi httptrace.DNSDoneInfo) {
fmt.Printf("DNS Done: %v\n", time.Since(dns))
},
TLSHandshakeStart: func() { tlsHandshake = time.Now() },
TLSHandshakeDone: func(cs tls.ConnectionState, err error) {
fmt.Printf("TLS Handshake: %v\n", time.Since(tlsHandshake))
},
ConnectStart: func(network, addr string) { connect = time.Now() },
ConnectDone: func(network, addr string, err error) {
fmt.Printf("Connect time: %v\n", time.Since(connect))
},
GotFirstResponseByte: func() {
fmt.Printf("Time from start to first byte: %v\n", time.Since(start))
},
}
req = req.WithContext(httptrace.WithClientTrace(req.Context(), trace))
start = time.Now()
if _, err := http.DefaultTransport.RoundTrip(req); err != nil {
log.Fatal(err)
}
fmt.Printf("Total time: %v\n", time.Since(start))
}
*/
|
