mirror of
https://github.com/minio/minio.git
synced 2025-11-04 10:11:09 +01:00
82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2018 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 cmd
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"errors"
|
|
|
|
"github.com/minio/minio/pkg/hash"
|
|
)
|
|
|
|
var errConfigNotFound = errors.New("config file not found")
|
|
|
|
func readConfig(ctx context.Context, objAPI ObjectLayer, configFile string) ([]byte, error) {
|
|
var buffer bytes.Buffer
|
|
// Read entire content by setting size to -1
|
|
if err := objAPI.GetObject(ctx, minioMetaBucket, configFile, 0, -1, &buffer, "", ObjectOptions{}); err != nil {
|
|
// Treat object not found as config not found.
|
|
if isErrObjectNotFound(err) {
|
|
return nil, errConfigNotFound
|
|
}
|
|
|
|
return nil, err
|
|
}
|
|
|
|
// Return config not found on empty content.
|
|
if buffer.Len() == 0 {
|
|
return nil, errConfigNotFound
|
|
}
|
|
|
|
return buffer.Bytes(), nil
|
|
}
|
|
|
|
type objectDeleter interface {
|
|
DeleteObject(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error)
|
|
}
|
|
|
|
func deleteConfig(ctx context.Context, objAPI objectDeleter, configFile string) error {
|
|
_, err := objAPI.DeleteObject(ctx, minioMetaBucket, configFile, ObjectOptions{})
|
|
if err != nil && isErrObjectNotFound(err) {
|
|
return errConfigNotFound
|
|
}
|
|
return err
|
|
}
|
|
|
|
func saveConfig(ctx context.Context, objAPI ObjectLayer, configFile string, data []byte) error {
|
|
hashReader, err := hash.NewReader(bytes.NewReader(data), int64(len(data)), "", getSHA256Hash(data), int64(len(data)), globalCLIContext.StrictS3Compat)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = objAPI.PutObject(ctx, minioMetaBucket, configFile, NewPutObjReader(hashReader, nil, nil), ObjectOptions{})
|
|
return err
|
|
}
|
|
|
|
func checkConfig(ctx context.Context, objAPI ObjectLayer, configFile string) error {
|
|
if _, err := objAPI.GetObjectInfo(ctx, minioMetaBucket, configFile, ObjectOptions{}); err != nil {
|
|
// Treat object not found as config not found.
|
|
if isErrObjectNotFound(err) {
|
|
return errConfigNotFound
|
|
}
|
|
|
|
return err
|
|
}
|
|
return nil
|
|
}
|