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57 lines
1.8 KiB
57 lines
1.8 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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// Donut is a collection of object storage and management interface
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type Donut 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() (map[string]BucketMetadata, error)
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MakeBucket(bucket, acl string) error
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// Bucket operations
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ListObjects(bucket, prefix, marker, delim string, maxKeys int) (ListObjects, error)
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// Object operations
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GetObject(bucket, object string) (io.ReadCloser, int64, error)
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GetObjectMetadata(bucket, object string) (ObjectMetadata, error)
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PutObject(bucket, object, expectedMD5Sum string, reader io.Reader, metadata map[string]string) (ObjectMetadata, 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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