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71 lines
2.6 KiB
71 lines
2.6 KiB
/*
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* Minimalist Object Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package donut
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import "io"
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// Collection of Donut specification interfaces
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// Interface is a collection of object storage and management interface
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type Interface interface {
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ObjectStorage
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Management
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}
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// ObjectStorage is a donut object storage interface
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type ObjectStorage interface {
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// Storage service operations
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GetBucketMetadata(bucket string) (BucketMetadata, error)
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SetBucketMetadata(bucket string, metadata map[string]string) error
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ListBuckets() ([]BucketMetadata, error)
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MakeBucket(bucket string, ACL string) error
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// Bucket operations
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ListObjects(bucket string, resources BucketResourcesMetadata) ([]ObjectMetadata, BucketResourcesMetadata, error)
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// Object operations
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GetObject(w io.Writer, bucket, object string) (int64, error)
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GetPartialObject(w io.Writer, bucket, object string, start, length int64) (int64, error)
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GetObjectMetadata(bucket, object string) (ObjectMetadata, error)
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// bucket, object, expectedMD5Sum, size, reader, metadata, signature
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CreateObject(string, string, string, int64, io.Reader, map[string]string, *Signature) (ObjectMetadata, error)
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Multipart
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}
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// Multipart API
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type Multipart interface {
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NewMultipartUpload(bucket, key, contentType string) (string, error)
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AbortMultipartUpload(bucket, key, uploadID string) error
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CreateObjectPart(string, string, string, int, string, string, int64, io.Reader, *Signature) (string, error)
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CompleteMultipartUpload(bucket, key, uploadID string, data io.Reader, signature *Signature) (ObjectMetadata, error)
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ListMultipartUploads(bucket string, resources BucketMultipartResourcesMetadata) (BucketMultipartResourcesMetadata, error)
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ListObjectParts(bucket, key string, resources ObjectResourcesMetadata) (ObjectResourcesMetadata, error)
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}
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// Management is a donut management system interface
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type Management interface {
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Heal() error
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Rebalance() error
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Info() (map[string][]string, error)
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AttachNode(hostname string, disks []string) error
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DetachNode(hostname string) error
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SaveConfig() error
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LoadConfig() error
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}
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