gosdk/storage/minio.go

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package storage
import (
"context"
"fmt"
"github.com/minio/minio-go"
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"net/url"
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"path"
"strings"
"time"
log "github.com/sirupsen/logrus"
)
type MinioConfig struct {
Bucket string
BaseUrl string
Endpoint string
AccessKey string
SecretKey string
Timeout time.Duration
}
type Minio struct {
inited bool
config *MinioConfig
client *minio.Client
}
func NewMinio(cfg *MinioConfig) Storage {
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if cfg.Endpoint == "" {
u, _ := url.Parse(cfg.BaseUrl)
cfg.Endpoint = u.Host
}
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return &Minio{
config: cfg,
inited: false,
}
}
func (s *Minio) Init() error {
if s.inited {
return nil
}
c, err := minio.New(s.config.Endpoint, s.config.AccessKey, s.config.SecretKey, false)
if err != nil {
return err
}
s.client = c
s.inited = true
return nil
}
func (s *Minio) Put(fileName, objectName string, onProcess func(fsize, uploaded int64)) error {
if err := s.Init(); err != nil {
return err
}
ctx, cancel := context.WithTimeout(context.Background(), s.config.Timeout)
defer cancel()
objectName = strings.TrimLeft(objectName, "/ ")
ext := strings.TrimLeft(path.Ext(fileName), ".")
_, err := s.client.FPutObjectWithContext(ctx, s.config.Bucket, objectName, fileName,
minio.PutObjectOptions{ContentType: ext2ContentType(ext)})
if err != nil {
log.Errorf("upload file to minio error:%s", err.Error())
return err
}
return nil
}
func (s *Minio) Del(objectName string) error {
if err := s.Init(); err != nil {
return err
}
err := s.client.RemoveObject(s.config.Bucket, objectName)
if err != nil {
log.Errorf("delete file to minio error:%s", err.Error())
return err
}
return nil
}
func (s *Minio) Get(objectName, fileName string) error {
if err := s.Init(); err != nil {
return err
}
return s.client.FGetObject(s.config.Bucket, objectName, fileName, minio.GetObjectOptions{})
}
func (s *Minio) List(objectPrefix string) ([]string, error) {
if err := s.Init(); err != nil {
return nil, err
}
done := make(chan struct{})
defer close(done)
infos := s.client.ListObjectsV2(s.config.Bucket, objectPrefix, true, done)
result := make([]string, 0)
for info := range infos {
result = append(result, info.Key)
}
return result, nil
}
func (s *Minio) Url(objectName string, expire time.Duration) string {
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if err := s.Init(); err != nil {
return err.Error()
}
var params url.Values
u, err := s.client.PresignedGetObject(s.config.Bucket, objectName, expire, params)
if err != nil {
return fmt.Sprintf("%s/%s/%s", s.config.BaseUrl, s.config.Bucket, objectName)
}
return u.String()
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}
func (s *Minio) Stat(objectName string) (*ObjectInfo, error) {
return nil, nil
}
func (s *Minio) Fetch(url, objectName string) error {
return nil
}