You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.4 KiB
86 lines
2.4 KiB
/*
|
|
* 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"
|
|
"io/ioutil"
|
|
"net/http"
|
|
|
|
"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) {
|
|
// Read entire content by setting size to -1
|
|
r, err := objAPI.GetObjectNInfo(ctx, minioMetaBucket, configFile, nil, http.Header{}, readLock, ObjectOptions{})
|
|
if err != nil {
|
|
// Treat object not found as config not found.
|
|
if isErrObjectNotFound(err) {
|
|
return nil, errConfigNotFound
|
|
}
|
|
|
|
return nil, err
|
|
}
|
|
defer r.Close()
|
|
|
|
buf, err := ioutil.ReadAll(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(buf) == 0 {
|
|
return nil, errConfigNotFound
|
|
}
|
|
return buf, 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), 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
|
|
}
|
|
|