130 lines
6.3 KiB
Go
130 lines
6.3 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2016-2020 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 legacy
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
"net/http"
|
|
|
|
"github.com/minio/minio-go/v6/pkg/encrypt"
|
|
"github.com/minio/minio-go/v6/pkg/tags"
|
|
|
|
"github.com/minio/minio/pkg/bucket/policy"
|
|
"github.com/minio/minio/pkg/madmin"
|
|
)
|
|
|
|
// CheckCopyPreconditionFn returns true if copy precondition check failed.
|
|
type CheckCopyPreconditionFn func(o ObjectInfo, encETag string) bool
|
|
|
|
// GetObjectInfoFn is the signature of GetObjectInfo function.
|
|
type GetObjectInfoFn func(ctx context.Context, bucket, object string, opts ObjectOptions) (objInfo ObjectInfo, err error)
|
|
|
|
// ObjectOptions represents object options for ObjectLayer operations
|
|
type ObjectOptions struct {
|
|
ServerSideEncryption encrypt.ServerSide
|
|
UserDefined map[string]string
|
|
PartNumber int
|
|
CheckCopyPrecondFn CheckCopyPreconditionFn
|
|
}
|
|
|
|
// LockType represents required locking for ObjectLayer operations
|
|
type LockType int
|
|
|
|
const (
|
|
noLock LockType = iota
|
|
readLock
|
|
writeLock
|
|
)
|
|
|
|
// ObjectLayer implements primitives for object API layer.
|
|
type ObjectLayer interface {
|
|
// Locking operations on object.
|
|
NewNSLock(ctx context.Context, bucket string, objects ...string) RWLocker
|
|
|
|
// Storage operations.
|
|
Shutdown(context.Context) error
|
|
CrawlAndGetDataUsage(ctx context.Context, bf *bloomFilter, updates chan<- DataUsageInfo) error
|
|
StorageInfo(ctx context.Context, local bool) (StorageInfo, []error) // local queries only local disks
|
|
|
|
// Bucket operations.
|
|
MakeBucketWithLocation(ctx context.Context, bucket string, location string, lockEnabled bool) error
|
|
GetBucketInfo(ctx context.Context, bucket string) (bucketInfo BucketInfo, err error)
|
|
ListBuckets(ctx context.Context) (buckets []BucketInfo, err error)
|
|
DeleteBucket(ctx context.Context, bucket string, forceDelete bool) error
|
|
ListObjects(ctx context.Context, bucket, prefix, marker, delimiter string, maxKeys int) (result ListObjectsInfo, err error)
|
|
ListObjectsV2(ctx context.Context, bucket, prefix, continuationToken, delimiter string, maxKeys int, fetchOwner bool, startAfter string) (result ListObjectsV2Info, err error)
|
|
Walk(ctx context.Context, bucket, prefix string, results chan<- ObjectInfo) error
|
|
|
|
// Object operations.
|
|
|
|
// GetObjectNInfo returns a GetObjectReader that satisfies the
|
|
// ReadCloser interface. The Close method unlocks the object
|
|
// after reading, so it must always be called after usage.
|
|
//
|
|
// IMPORTANTLY, when implementations return err != nil, this
|
|
// function MUST NOT return a non-nil ReadCloser.
|
|
GetObjectNInfo(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, lockType LockType, opts ObjectOptions) (reader *GetObjectReader, err error)
|
|
GetObject(ctx context.Context, bucket, object string, startOffset int64, length int64, writer io.Writer, etag string, opts ObjectOptions) (err error)
|
|
GetObjectInfo(ctx context.Context, bucket, object string, opts ObjectOptions) (objInfo ObjectInfo, err error)
|
|
PutObject(ctx context.Context, bucket, object string, data *PutObjReader, opts ObjectOptions) (objInfo ObjectInfo, err error)
|
|
CopyObject(ctx context.Context, srcBucket, srcObject, destBucket, destObject string, srcInfo ObjectInfo, srcOpts, dstOpts ObjectOptions) (objInfo ObjectInfo, err error)
|
|
DeleteObject(ctx context.Context, bucket, object string) error
|
|
DeleteObjects(ctx context.Context, bucket string, objects []string) ([]error, error)
|
|
|
|
// Multipart operations.
|
|
ListMultipartUploads(ctx context.Context, bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result ListMultipartsInfo, err error)
|
|
NewMultipartUpload(ctx context.Context, bucket, object string, opts ObjectOptions) (uploadID string, err error)
|
|
CopyObjectPart(ctx context.Context, srcBucket, srcObject, destBucket, destObject string, uploadID string, partID int,
|
|
startOffset int64, length int64, srcInfo ObjectInfo, srcOpts, dstOpts ObjectOptions) (info PartInfo, err error)
|
|
PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, data *PutObjReader, opts ObjectOptions) (info PartInfo, err error)
|
|
GetMultipartInfo(ctx context.Context, bucket, object, uploadID string, opts ObjectOptions) (info MultipartInfo, err error)
|
|
ListObjectParts(ctx context.Context, bucket, object, uploadID string, partNumberMarker int, maxParts int, opts ObjectOptions) (result ListPartsInfo, err error)
|
|
AbortMultipartUpload(ctx context.Context, bucket, object, uploadID string) error
|
|
CompleteMultipartUpload(ctx context.Context, bucket, object, uploadID string, uploadedParts []CompletePart, opts ObjectOptions) (objInfo ObjectInfo, err error)
|
|
|
|
// Healing operations.
|
|
ReloadFormat(ctx context.Context, dryRun bool) error
|
|
HealFormat(ctx context.Context, dryRun bool) (madmin.HealResultItem, error)
|
|
HealBucket(ctx context.Context, bucket string, dryRun, remove bool) (madmin.HealResultItem, error)
|
|
HealObject(ctx context.Context, bucket, object string, opts madmin.HealOpts) (madmin.HealResultItem, error)
|
|
HealObjects(ctx context.Context, bucket, prefix string, opts madmin.HealOpts, fn healObjectFn) error
|
|
ListBucketsHeal(ctx context.Context) (buckets []BucketInfo, err error)
|
|
|
|
// Policy operations
|
|
SetBucketPolicy(context.Context, string, *policy.Policy) error
|
|
GetBucketPolicy(context.Context, string) (*policy.Policy, error)
|
|
DeleteBucketPolicy(context.Context, string) error
|
|
|
|
// Supported operations check
|
|
IsNotificationSupported() bool
|
|
IsListenBucketSupported() bool
|
|
IsEncryptionSupported() bool
|
|
IsTaggingSupported() bool
|
|
IsCompressionSupported() bool
|
|
|
|
// Backend related metrics
|
|
GetMetrics(ctx context.Context) (*Metrics, error)
|
|
|
|
// Check Readiness
|
|
IsReady(ctx context.Context) bool
|
|
|
|
// ObjectTagging operations
|
|
PutObjectTags(context.Context, string, string, string) error
|
|
GetObjectTags(context.Context, string, string) (*tags.Tags, error)
|
|
DeleteObjectTags(context.Context, string, string) error
|
|
}
|