Sample upload S3

main.go

package main

import (
	"bytes"
	"context"
	"crypto/rand"
	"fmt"
	"log"
	"time"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/credentials"
	"github.com/aws/aws-sdk-go-v2/service/s3"
)

func main() {
	bucket := aws.String("test")
	size := 1024 * 1024

	cli := s3.New(s3.Options{
		EndpointResolver: s3.EndpointResolverFromURL("https://s3.selcdn.ru"),
		Region:           "ru-1a",
		UsePathStyle:     true,
		Credentials:      credentials.NewStaticCredentialsProvider("135815_test", "hH[4m*#,5s", ""),
		Retryer:          aws.NopRetryer{},
	})

	b := make([]byte, size)

	i := 0
	for range time.Tick(1 * time.Second) {
		i++
		key := fmt.Sprintf("%d.txt", i)
		fmt.Println(key)
		rand.Read(b)

		for {
			ctx, cancel := context.WithTimeout(context.TODO(), 1*time.Minute)
			_, err := cli.PutObject(ctx, &s3.PutObjectInput{
				Bucket: bucket,
				Key:    aws.String(key),
				Body:   bytes.NewReader(b),
			})
			cancel()
			if err != nil {
				log.Println(err)
				time.Sleep(2 * time.Minute)
			}

			if err == nil {
				break
			}
		}

		out, err := cli.HeadObject(context.TODO(), &s3.HeadObjectInput{
			Bucket: bucket,
			Key:    aws.String(key),
		})
		if err != nil {
			log.Fatalln(err)
		}

		if out.ContentLength != int64(size) {
			log.Println(key, out.ContentLength, time.Now())
		}

		if i == 20 {
			break
		}
	}
}

sh-5.1$ go run s3test/main.go 
1.txt
2021/02/08 12:09:12 operation error S3: PutObject, https response error StatusCode: 0, RequestID: , HostID: , canceled, context deadline exceeded
2021/02/08 12:11:12 operation error S3: PutObject, https response error StatusCode: 409, RequestID: 066edc63-9ffb-4891-bdf2-f26a5bc10c32, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 12:13:12 operation error S3: PutObject, https response error StatusCode: 409, RequestID: e129718f-0e0c-4a68-a911-2dd1dedf04ad, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 12:15:13 operation error S3: PutObject, https response error StatusCode: 409, RequestID: dd8411ca-287c-4a58-bdf6-51a0e683107a, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 12:17:13 operation error S3: PutObject, https response error StatusCode: 409, RequestID: 1ca293e2-7c34-4c69-bdbb-447cbfc12d94, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 12:19:13 operation error S3: PutObject, https response error StatusCode: 409, RequestID: 6d1ed3ed-eafa-45c8-b35a-971b264988f9, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 12:21:13 operation error S3: PutObject, https response error StatusCode: 409, RequestID: 0bfd6f8d-131d-4e2c-b72b-f41ced0e072e, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2.txt
3.txt
4.txt
5.txt
6.txt
7.txt
8.txt
9.txt
10.txt
11.txt
12.txt
13.txt
14.txt
15.txt
16.txt
17.txt
18.txt
19.txt
20.txt

sh-5.1$ go run s3test/main.go 
1.txt
2.txt
3.txt
4.txt
5.txt
6.txt
7.txt
8.txt
9.txt
10.txt
11.txt
12.txt
13.txt
14.txt
15.txt
16.txt
17.txt
18.txt
19.txt
2021/02/08 12:50:22 operation error S3: PutObject, https response error StatusCode: 0, RequestID: , HostID: , canceled, context deadline exceeded
2021/02/08 12:52:23 operation error S3: PutObject, https response error StatusCode: 409, RequestID: c725c56e-fe22-494a-9b87-f71ecf441327, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 12:54:23 operation error S3: PutObject, https response error StatusCode: 409, RequestID: 416d2684-a3aa-4530-b199-b40e275052a5, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 12:56:23 operation error S3: PutObject, https response error StatusCode: 409, RequestID: 3ea9ff0e-69fb-46b4-822a-aa102a655268, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 12:58:23 operation error S3: PutObject, https response error StatusCode: 409, RequestID: 11c4bf30-c336-43b9-8c45-7913dcbb129d, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 13:00:23 operation error S3: PutObject, https response error StatusCode: 0, RequestID: , HostID: , request send failed, Put "https://s3.selcdn.ru/test/19.txt?x-id=PutObject": http2: Transport: cannot retry err [stream error: stream ID 1; REFUSED_STREAM] after Request.Body was written; define Request.GetBody to avoid this error
2021/02/08 13:02:23 operation error S3: PutObject, https response error StatusCode: 409, RequestID: be58c7fa-b98a-43f1-b756-2863203cb60e, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
2021/02/08 13:04:23 operation error S3: PutObject, https response error StatusCode: 409, RequestID: db9cac82-9e1d-4f9f-b2a2-8464eab60a54, HostID: , api error OperationAborted: A conflicting conditional operation is currently in progress against this resource. Try again.
20.txt