kubernetes io_util 源码
kubernetes io_util 代码
文件路径：/pkg/volume/util/io_util.go
/*
Copyright 2016 The Kubernetes 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 util
import (
"io/ioutil"
"os"
"path/filepath"
)
// IoUtil is a mockable util for common IO operations
type IoUtil interface {
ReadFile(filename string) ([]byte, error)
ReadDir(dirname string) ([]os.FileInfo, error)
Lstat(name string) (os.FileInfo, error)
EvalSymlinks(path string) (string, error)
}
type osIOHandler struct{}
// NewIOHandler Create a new IoHandler implementation
func NewIOHandler() IoUtil {
return &osIOHandler{}
}
func (handler *osIOHandler) ReadFile(filename string) ([]byte, error) {
return ioutil.ReadFile(filename)
}
func (handler *osIOHandler) ReadDir(dirname string) ([]os.FileInfo, error) {
return ioutil.ReadDir(dirname)
}
func (handler *osIOHandler) Lstat(name string) (os.FileInfo, error) {
return os.Lstat(name)
}
func (handler *osIOHandler) EvalSymlinks(path string) (string, error) {
return filepath.EvalSymlinks(path)
}
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