minio/pkg/storage/singledisk/singledisk.go

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/*
* Mini 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 singledisk
import (
"errors"
"github.com/minio-io/minio/pkg/storage"
"io"
"os"
)
// StorageDriver creates a new single disk storage driver using donut without encoding.
type StorageDriver struct {
root string
}
// Start a single disk subsystem
func Start(root string) (chan<- string, <-chan error, storage.Storage) {
ctrlChannel := make(chan string)
errorChannel := make(chan error)
s := new(StorageDriver)
go start(ctrlChannel, errorChannel, s)
return ctrlChannel, errorChannel, s
}
func start(ctrlChannel <-chan string, errorChannel chan<- error, s *StorageDriver) {
err := os.MkdirAll(s.root, 0700)
errorChannel <- err
close(errorChannel)
}
// ListBuckets returns a list of buckets
func (diskStorage StorageDriver) ListBuckets() ([]storage.BucketMetadata, error) {
return nil, errors.New("Not Implemented")
}
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// CreateBucket creates a new bucket
func (diskStorage StorageDriver) CreateBucket(bucket string) error {
return errors.New("Not Implemented")
}
// CreateBucketPolicy sets a bucket's access policy
func (diskStorage StorageDriver) CreateBucketPolicy(bucket string, p storage.BucketPolicy) error {
return errors.New("Not Implemented")
}
// GetBucketPolicy returns a bucket's access policy
func (diskStorage StorageDriver) GetBucketPolicy(bucket string) (storage.BucketPolicy, error) {
return storage.BucketPolicy{}, errors.New("Not Implemented")
}
// GetObject retrieves an object and writes it to a writer
func (diskStorage StorageDriver) GetObject(w io.Writer, bucket, object string) (int64, error) {
return 0, errors.New("Not Implemented")
}
// GetPartialObject retrieves an object and writes it to a writer
func (diskStorage StorageDriver) GetPartialObject(w io.Writer, bucket, object string, start, length int64) (int64, error) {
return 0, errors.New("Not Implemented")
}
// GetObjectMetadata retrieves an object's metadata
func (diskStorage StorageDriver) GetObjectMetadata(bucket, object string, prefix string) (storage.ObjectMetadata, error) {
return storage.ObjectMetadata{}, errors.New("Not Implemented")
}
// ListObjects lists objects
func (diskStorage StorageDriver) ListObjects(bucket string, resources storage.BucketResourcesMetadata) ([]storage.ObjectMetadata, storage.BucketResourcesMetadata, error) {
return nil, storage.BucketResourcesMetadata{}, errors.New("Not Implemented")
}
// CreateObject creates a new object
func (diskStorage StorageDriver) CreateObject(bucket string, key string, contentType string, data io.Reader) error {
return errors.New("Not Implemented")
}