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minio/pkg/fs/interfaces.go

55 lines
2.3 KiB

/*
* Minio Cloud Storage, (C) 2015 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 fs
import (
"io"
"github.com/minio/minio-xl/pkg/probe"
)
// CloudStorage is a fs cloud storage interface
type CloudStorage interface {
// Storage service operations
GetBucketMetadata(bucket string) (BucketMetadata, *probe.Error)
SetBucketMetadata(bucket string, metadata map[string]string) *probe.Error
ListBuckets() ([]BucketMetadata, *probe.Error)
MakeBucket(bucket, acl string) *probe.Error
DeleteBucket(bucket string) *probe.Error
// Bucket operations
ListObjects(bucket string, resources BucketResourcesMetadata) ([]ObjectMetadata, BucketResourcesMetadata, *probe.Error)
// Object operations
GetObject(w io.Writer, bucket, object string, start, length int64) (int64, *probe.Error)
GetObjectMetadata(bucket, object string) (ObjectMetadata, *probe.Error)
// bucket, object, expectedMD5Sum, size, reader, metadata, signature
CreateObject(bucket, object, md5sum string, size int64, data io.Reader, signature *Signature) (ObjectMetadata, *probe.Error)
DeleteObject(bucket, object string) *probe.Error
Multipart
}
// Multipart API
type Multipart interface {
NewMultipartUpload(bucket, object string) (string, *probe.Error)
AbortMultipartUpload(bucket, object, uploadID string) *probe.Error
CreateObjectPart(bucket, object, uploadID, md5sum string, partID int, size int64, data io.Reader, signature *Signature) (string, *probe.Error)
CompleteMultipartUpload(bucket, object, uploadID string, data io.Reader, signature *Signature) (ObjectMetadata, *probe.Error)
ListMultipartUploads(bucket string, resources BucketMultipartResourcesMetadata) (BucketMultipartResourcesMetadata, *probe.Error)
ListObjectParts(bucket, object string, objectResources ObjectResourcesMetadata) (ObjectResourcesMetadata, *probe.Error)
}