mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-09-19 15:09:56 +00:00
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
|
/*
|
||
|
|
Copyright 2024 The Ceph-CSI Authors.
|
||
|
|
|
||
|
|
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 file
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"os"
|
||
|
|
)
|
||
|
|
|
||
|
|
// CreateTempFile create a temporary file with the given string
|
||
|
|
// content and returns the reference to the file.
|
||
|
|
// The caller is responsible for disposing the file.
|
||
|
|
func CreateTempFile(prefix, contents string) (*os.File, error) {
|
||
|
|
// Create a temp file
|
||
|
|
file, err := os.CreateTemp("", prefix)
|
||
|
|
if err != nil {
|
||
|
|
return nil, fmt.Errorf("failed to create temporary file: %w", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
// In case of error, remove the file if it was created
|
||
|
|
defer func() {
|
||
|
|
if err != nil {
|
||
|
|
_ = os.Remove(file.Name())
|
||
|
|
}
|
||
|
|
}()
|
||
|
|
|
||
|
|
// Write the contents
|
||
|
|
var c int
|
||
|
|
c, err = file.WriteString(contents)
|
||
|
|
if err != nil || c != len(contents) {
|
||
|
|
return nil, fmt.Errorf("failed to write temporary file: %w", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Close the handle
|
||
|
|
if err = file.Close(); err != nil {
|
||
|
|
return nil, fmt.Errorf("failed to close temporary file: %w", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return file, nil
|
||
|
|
}
|