vendor files

vendor/k8s.io/utils/temp/dir.go

@@ -0,0 +1,70 @@
+/*
+Copyright 2017 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 temp
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+)
+
+// Directory is an interface to a temporary directory, in which you can
+// create new files.
+type Directory interface {
+	// NewFile creates a new file in that directory. Calling NewFile
+	// with the same filename twice will result in an error.
+	NewFile(name string) (io.WriteCloser, error)
+	// Delete removes the directory and its content.
+	Delete() error
+}
+
+// TempDir is wrapping an temporary directory on disk.
+type TempDir struct {
+	// Name is the name (full path) of the created directory.
+	Name string
+}
+
+var _ Directory = &TempDir{}
+
+// CreateTempDir returns a new Directory wrapping a temporary directory
+// on disk.
+func CreateTempDir(prefix string) (*TempDir, error) {
+	name, err := ioutil.TempDir("", fmt.Sprintf("%s-", prefix))
+	if err != nil {
+		return nil, err
+	}
+
+	return &TempDir{
+		Name: name,
+	}, nil
+}
+
+// NewFile creates a new file in the specified directory.
+func (d *TempDir) NewFile(name string) (io.WriteCloser, error) {
+	return os.OpenFile(
+		filepath.Join(d.Name, name),
+		os.O_WRONLY|os.O_CREATE|os.O_TRUNC|os.O_EXCL,
+		0700,
+	)
+}
+
+// Delete the underlying directory, and all of its content.
+func (d *TempDir) Delete() error {
+	return os.RemoveAll(d.Name)
+}