122 lines
2.2 KiB
Go
122 lines
2.2 KiB
Go
package main
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import (
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"context"
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"crypto/tls"
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"io"
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"log"
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"math/rand"
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"net/http"
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"os"
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"github.com/google/uuid"
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"github.com/minio/minio-go/v7"
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"github.com/minio/minio-go/v7/pkg/credentials"
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)
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func buildMc() (*minio.Client, error) {
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_, isSSL := os.LookupEnv("SSL")
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opts := minio.Options{
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Creds: credentials.NewStaticV4(os.Getenv("AWS_ACCESS_KEY_ID"), os.Getenv("AWS_SECRET_ACCESS_KEY"), ""),
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Secure: isSSL,
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}
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if region, ok := os.LookupEnv("REGION"); ok {
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opts.Region = region
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}
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if _, ok := os.LookupEnv("SSL_INSECURE"); ok {
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opts.Transport = &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}}
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}
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mc, err := minio.New(os.Getenv("ENDPOINT"), &opts)
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return mc, err
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}
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type PRNG struct {
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rem int64
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}
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func (r *PRNG) Read(p []byte) (n int, err error) {
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//log.Printf("rem=%d, buf=%d\n", r.rem, len(p))
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if int64(len(p)) > r.rem {
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p = p[:r.rem]
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}
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if int64(len(p)) > r.rem {
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log.Fatal("LOGIC ERROR")
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}
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n, err = rand.Read(p)
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if err != nil {
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return
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}
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r.rem -= int64(n)
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if r.rem <= 0 {
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err = io.EOF
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//log.Printf("PRNG file has been fully read. rem=%d,n=%d,err=%s\n", r.rem, n, err)
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}
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return
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}
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func putObj(buck string, size int64) error {
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mc, err := buildMc()
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if err != nil {
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return err
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}
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prng := new(PRNG)
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prng.rem = size
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key := uuid.New().String()
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_, err = mc.PutObject(
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context.Background(),
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buck,
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key,
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prng,
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size,
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minio.PutObjectOptions{ContentType: "application/octet-stream"},
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)
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return err
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}
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func main() {
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minio.MaxRetry = 1
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mc, err := buildMc()
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if err != nil {
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log.Fatal("failed connect", err)
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return
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}
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// Create Bucket
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buck := uuid.New().String()
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err = mc.MakeBucket(context.Background(), buck, minio.MakeBucketOptions{})
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if err != nil {
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log.Fatal(err)
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return
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}
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log.Printf("created bucket %s\n", buck)
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// Send to bucket
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for i := 1; i <= 16; i++ {
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log.Printf("start concurrent loop with %d coroutines\n", i)
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syn := make(chan error)
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for j := 1; j <= i; j++ {
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go func() {
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syn <- putObj(buck, 1024*1024)
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}()
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}
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for j := 1; j <= i; j++ {
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cerr := <-syn
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if cerr != nil {
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log.Printf("%d/%d failed with %s\n", j, i, cerr)
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}
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}
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log.Printf("done, %d coroutines returned\n", i)
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}
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log.Println("done")
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}
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