minio/pkg/disk/helpers.go
Nitish Tiwari fcb56d864c Add ServerDrivesPerfInfo() admin API (#6969)
This is part of implementation for mc admin health command. The
ServerDrivesPerfInfo() admin API returns read and write speed
information for all the drives (local and remote) in a given Minio
server deployment.

Part of minio/mc#2606
2018-12-31 09:46:44 -08:00

53 lines
1.1 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 disk
import (
"os"
)
func readFile(path string, buf []byte) (int, error) {
f, err := os.Open(path)
if err != nil {
return 0, err
}
defer f.Close()
n, err := f.Read(buf)
if err != nil {
return 0, err
}
return n, nil
}
func writeFile(path string, data []byte) (int, error) {
f, err := os.Create(path)
if err != nil {
return 0, err
}
defer f.Close()
n, err := f.Write(data)
if err != nil {
return 0, err
}
f.Sync()
return n, nil
}