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//go:build example
// +build example
/*
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
* Copyright 2015-2021 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"bytes"
"context"
"fmt"
"log"
"math/rand"
"os"
"time"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
)
func main() {
const (
// Note: These constants are dummy values,
// please replace them with values for your setup.
YOURACCESSKEYID = "Q3AM3UQ867SPQQA43P2F"
YOURSECRETACCESSKEY = "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG"
YOURENDPOINT = "play.min.io"
YOURBUCKET = "mybucket" // 'mc mb play/mybucket' if it does not exist.
)
// Requests are always secure (HTTPS) by default. Set secure=false to enable insecure (HTTP) access.
// This boolean value is the last argument for New().
// New returns an Amazon S3 compatible client object. API compatibility (v2 or v4) is automatically
// determined based on the Endpoint value.
minioClient, err := minio.New(YOURENDPOINT, &minio.Options{
Creds: credentials.NewStaticV4(YOURACCESSKEYID, YOURSECRETACCESSKEY, ""),
Secure: true,
})
if err != nil {
log.Fatalln(err)
}
minioClient.TraceOn(os.Stdout)
input := make(chan minio.SnowballObject, 1)
opts := minio.SnowballOptions{
Opts: minio.PutObjectOptions{},
// Keep in memory. We use this since we have small total payload.
InMemory: true,
// Compress data when uploading to a MinIO host.
Compress: true,
}
// Generate a shared prefix.
rng := rand.New(rand.NewSource(time.Now().UnixNano()))
prefix := []byte("aaaaaaaaaaaaaaa")
for i := range prefix {
prefix[i] += byte(rng.Intn(25))
}
// Generate
go func() {
defer close(input)
// Create 100 objects
for i := 0; i < 100; i++ {
// With random size 0 -> 10000
size := rng.Intn(10000)
key := fmt.Sprintf("%s/%d-%d.bin", string(prefix), i, size)
input <- minio.SnowballObject{
// Create path to store objects within the bucket.
Key: key,
Size: int64(size),
ModTime: time.Now(),
Content: bytes.NewBuffer(make([]byte, size)),
Close: func() {
fmt.Println(key, "Close function called")
},
}
}
}()
// Collect and upload all entries.
err = minioClient.PutObjectsSnowball(context.TODO(), YOURBUCKET, opts, input)
if err != nil {
log.Fatalln(err)
}
// Objects successfully uploaded.
// List the content of the prefix:
lopts := minio.ListObjectsOptions{
Recursive: true,
Prefix: string(prefix) + "/",
}
// List all objects from a bucket-name with a matching prefix.
for object := range minioClient.ListObjects(context.Background(), YOURBUCKET, lopts) {
if object.Err != nil {
log.Fatalln(object.Err)
}
fmt.Println(object.Key, "Size:", object.Size)
}
}
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