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https://gitee.com/milvus-io/milvus.git
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111 lines
3.9 KiB
Go
111 lines
3.9 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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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package storage
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import (
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"context"
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"io"
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"github.com/minio/minio-go/v7"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/pkg/v2/log"
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"github.com/milvus-io/milvus/pkg/v2/objectstorage"
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"github.com/milvus-io/milvus/pkg/v2/util/paramtable"
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)
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var _ ObjectStorage = (*MinioObjectStorage)(nil)
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type MinioObjectStorage struct {
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*minio.Client
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}
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type ObjectReader struct {
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*minio.Object
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}
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func (or *ObjectReader) Size() (int64, error) {
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stat, err := or.Stat()
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if err != nil {
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return -1, err
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}
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return stat.Size, nil
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}
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func newMinioObjectStorageWithConfig(ctx context.Context, c *objectstorage.Config) (*MinioObjectStorage, error) {
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minIOClient, err := objectstorage.NewMinioClient(ctx, c)
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if err != nil {
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return nil, err
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}
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return &MinioObjectStorage{minIOClient}, nil
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}
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func (minioObjectStorage *MinioObjectStorage) GetObject(ctx context.Context, bucketName, objectName string, offset int64, size int64) (FileReader, error) {
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opts := minio.GetObjectOptions{}
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if offset > 0 {
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err := opts.SetRange(offset, offset+size-1)
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if err != nil {
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log.Warn("failed to set range", zap.String("bucket", bucketName), zap.String("path", objectName), zap.Error(err))
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return nil, checkObjectStorageError(objectName, err)
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}
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}
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object, err := minioObjectStorage.Client.GetObject(ctx, bucketName, objectName, opts)
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if err != nil {
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return nil, checkObjectStorageError(objectName, err)
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}
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return &ObjectReader{
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Object: object,
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}, nil
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}
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func (minioObjectStorage *MinioObjectStorage) PutObject(ctx context.Context, bucketName, objectName string, reader io.Reader, objectSize int64) error {
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_, err := minioObjectStorage.Client.PutObject(ctx, bucketName, objectName, reader, objectSize, minio.PutObjectOptions{})
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return checkObjectStorageError(objectName, err)
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}
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func (minioObjectStorage *MinioObjectStorage) StatObject(ctx context.Context, bucketName, objectName string) (int64, error) {
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info, err := minioObjectStorage.Client.StatObject(ctx, bucketName, objectName, minio.StatObjectOptions{})
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return info.Size, checkObjectStorageError(objectName, err)
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}
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func (minioObjectStorage *MinioObjectStorage) WalkWithObjects(ctx context.Context, bucketName string, prefix string, recursive bool, walkFunc ChunkObjectWalkFunc) (err error) {
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// if minio has lots of objects under the provided path
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// recursive = true may timeout during the recursive browsing the objects.
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// See also: https://github.com/milvus-io/milvus/issues/19095
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// So we can change the `ListObjectsMaxKeys` to limit the max keys by batch to avoid timeout.
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in := minioObjectStorage.Client.ListObjects(ctx, bucketName, minio.ListObjectsOptions{
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Prefix: prefix,
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Recursive: recursive,
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MaxKeys: paramtable.Get().MinioCfg.ListObjectsMaxKeys.GetAsInt(),
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})
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for object := range in {
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if object.Err != nil {
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return object.Err
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}
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if !walkFunc(&ChunkObjectInfo{FilePath: object.Key, ModifyTime: object.LastModified}) {
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return nil
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}
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}
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return nil
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}
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func (minioObjectStorage *MinioObjectStorage) RemoveObject(ctx context.Context, bucketName, objectName string) error {
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err := minioObjectStorage.Client.RemoveObject(ctx, bucketName, objectName, minio.RemoveObjectOptions{})
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return checkObjectStorageError(objectName, err)
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}
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