71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package temp
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import (
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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)
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// Directory is an interface to a temporary directory, in which you can
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// create new files.
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type Directory interface {
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// NewFile creates a new file in that directory. Calling NewFile
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// with the same filename twice will result in an error.
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NewFile(name string) (io.WriteCloser, error)
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// Delete removes the directory and its content.
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Delete() error
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}
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// TempDir is wrapping an temporary directory on disk.
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type TempDir struct {
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// Name is the name (full path) of the created directory.
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Name string
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}
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var _ Directory = &TempDir{}
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// CreateTempDir returns a new Directory wrapping a temporary directory
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// on disk.
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func CreateTempDir(prefix string) (*TempDir, error) {
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name, err := ioutil.TempDir("", fmt.Sprintf("%s-", prefix))
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if err != nil {
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return nil, err
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}
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return &TempDir{
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Name: name,
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}, nil
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}
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// NewFile creates a new file in the specified directory.
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func (d *TempDir) NewFile(name string) (io.WriteCloser, error) {
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return os.OpenFile(
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filepath.Join(d.Name, name),
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os.O_WRONLY|os.O_CREATE|os.O_TRUNC|os.O_EXCL,
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0700,
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)
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}
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// Delete the underlying directory, and all of its content.
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func (d *TempDir) Delete() error {
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return os.RemoveAll(d.Name)
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}
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