/
file.go
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/
file.go
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// Copyright 2023 Nautes 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 cluster
import (
"fmt"
"os"
"path/filepath"
"time"
)
const (
ClusterTemplatesDir = "cluster-templates"
)
type FileOperation interface {
ReadFile(filePath string) ([]byte, error)
CreateFile(filePath string) (string, error)
WriteFile(filePath string, content []byte) error
DeleteFile(filePath string) error
CreateDir(dir string) (string, error)
DeleteDir(dir string) error
IsDir(path string) (bool, error)
ListFilesInDirectory(dirPath string) ([]string, error)
}
type File struct{}
func NewClusterConfigFile() (FileOperation, error) {
return &File{}, nil
}
func (c *File) CreateFile(filePath string) (string, error) {
dir := filepath.Dir(filePath)
err := os.MkdirAll(dir, os.ModePerm)
if err != nil {
return "", err
}
file, err := os.Create(filePath)
if err != nil {
return "", err
}
return file.Name(), nil
}
func (c *File) ReadFile(filePath string) ([]byte, error) {
bytes, err := os.ReadFile(filePath)
if err != nil {
return nil, err
}
return bytes, nil
}
func (c *File) DeleteFile(filePath string) error {
_, err := os.Stat(filePath)
if os.IsNotExist(err) {
return nil
} else if err != nil {
return err
}
return os.Remove(filePath)
}
func (c *File) WriteFile(filePath string, content []byte) error {
dir := filepath.Dir(filePath)
if _, err := os.Stat(dir); os.IsNotExist(err) {
err := os.MkdirAll(dir, os.ModePerm)
if err != nil {
return err
}
}
err := os.WriteFile(filePath, content, 0644) //nolint
if err != nil {
return err
}
return nil
}
func (c *File) CreateDir(dir string) (string, error) {
dir = fmt.Sprintf("%s-%d", dir, time.Now().Unix())
_, err := os.Stat(dir)
if err != nil && !os.IsNotExist(err) {
return "", err
}
if err == nil {
return dir, nil
}
if err = os.MkdirAll(dir, os.ModePerm); err != nil {
return "", err
}
return dir, nil
}
func (c *File) IsDir(path string) (bool, error) {
fileInfo, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
return fileInfo.IsDir(), nil
}
func (c *File) ListFilesInDirectory(dir string) ([]string, error) {
var files []string
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() {
files = append(files, path)
}
return nil
})
if err != nil {
return nil, err
}
return files, nil
}
func (c *File) DeleteDir(dir string) error {
_, err := os.Stat(dir)
if err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
return os.RemoveAll(dir)
}