4ac20ffc2b
add service mesh metrics remove unused circle yaml fix travis misconfiguration fix travis misconfiguration fix travis misconfiguration
78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
/*
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Copyright 2018 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 util
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import (
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"fmt"
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"io"
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"log"
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"os"
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"path/filepath"
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"github.com/spf13/afero"
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)
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// FileWriter is a io wrapper to write files
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type FileWriter struct {
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Fs afero.Fs
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}
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// WriteCloser returns a WriteCloser to write to given path
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func (fw *FileWriter) WriteCloser(path string) (io.Writer, error) {
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if fw.Fs == nil {
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fw.Fs = afero.NewOsFs()
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}
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dir := filepath.Dir(path)
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err := fw.Fs.MkdirAll(dir, 0700)
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if err != nil {
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return nil, err
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}
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fi, err := fw.Fs.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
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if err != nil {
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return nil, err
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}
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return fi, nil
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}
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// WriteFile write given content to the file path
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func (fw *FileWriter) WriteFile(filePath string, content []byte) error {
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if fw.Fs == nil {
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fw.Fs = afero.NewOsFs()
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}
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f, err := fw.WriteCloser(filePath)
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if err != nil {
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return fmt.Errorf("failed to create %s: %v", filePath, err)
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}
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if c, ok := f.(io.Closer); ok {
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defer func() {
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if err := c.Close(); err != nil {
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log.Fatal(err)
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}
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}()
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}
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_, err = f.Write(content)
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if err != nil {
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return fmt.Errorf("failed to write %s: %v", filePath, err)
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}
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return nil
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}
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