minio/pkg/storage/donut/definitions.go

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/*
* Minimalist Object 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 donut
import "time"
// objectMetadata object specific metadata per object
type objectMetadata struct {
// version
Version string `json:"version"`
// object metadata
Size int64 `json:"size"`
Created time.Time `json:"created"`
Bucket string `json:"bucket"`
Object string `json:"object"`
// checksums
MD5Sum string `json:"md5sum"`
SHA512Sum string `json:"sha512sum"`
// additional metadata
Metadata map[string]string `json:"metadata"`
}
// donutObjectMetadata container for donut specific internal metadata per object
type donutObjectMetadata struct {
// version
Version string `json:"version"`
// erasure
DataDisks uint8 `json:"sys.erasureK"`
ParityDisks uint8 `json:"sys.erasureM"`
ErasureTechnique string `json:"sys.erasureTechnique"`
// object metadata
Size int64 `json:"sys.size"`
BlockSize int `json:"sys.blockSize"`
ChunkCount int `json:"sys.chunkCount"`
// checksums
MD5Sum string `json:"sys.md5sum"`
SHA512Sum string `json:"sys.sha512sum"`
}
// donutMetadata container for donut level metadata
type donutMetadata struct {
Version string `json:"version"`
}
// bucketMetadata container for bucket level metadata
type bucketMetadata struct {
Version string `json:"version"`
ACL string `json:"acl"`
Metadata map[string]string `json:"metadata"`
}