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utils.go
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/
utils.go
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package utils
import (
"io/ioutil"
"os"
"path/filepath"
"runtime"
)
const (
defaultFileName = "kubeconfig"
)
func WriteToFile(data []byte, file string) error {
if err := os.MkdirAll(filepath.Dir(file), os.ModePerm); err != nil {
return err
}
if _, err := os.Stat(file); os.IsNotExist(err) {
return ioutil.WriteFile(file, data, 0644)
}
tmpfi, err := ioutil.TempFile(filepath.Dir(file), "file.tmp")
if err != nil {
return err
}
defer os.Remove(tmpfi.Name())
if err = ioutil.WriteFile(tmpfi.Name(), data, 0644); err != nil {
return err
}
if err = tmpfi.Close(); err != nil {
return err
}
if err = os.Remove(file); err != nil {
return err
}
err = os.Rename(tmpfi.Name(), file)
return err
}
func HomeDir() string {
homeDir := ""
if runtime.GOOS == "windows" {
homeDir = os.Getenv("USERPROFILE")
} else {
homeDir = os.Getenv("HOME")
}
return filepath.Join(homeDir, ".kontainer")
}
func KubeConfigFilePath() string {
return filepath.Join(HomeDir(), defaultFileName)
}