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kftools.go
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/
kftools.go
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package utils
import (
"archive/tar"
"embed"
_ "embed"
"github.com/sirupsen/logrus"
"io"
"io/fs"
"path"
)
//go:embed kftoolsbinary
var kfBinaryEmbedFiles embed.FS
func TarKFTools(name string, writer io.Writer) error {
fSys, err := fs.Sub(kfBinaryEmbedFiles, "kftoolsbinary")
if err != nil {
logrus.Error(err)
return err
}
tw := tar.NewWriter(writer)
// 如果关闭失败会造成tar包不完整
defer tw.Close()
f, err := fSys.Open(path.Base(name))
if err != nil {
logrus.Error(err)
return err
}
f.Close()
fi, err := f.Stat()
if err != nil {
logrus.Error(err)
return err
}
hdr, err := tar.FileInfoHeader(fi, name)
if err != nil {
logrus.Error(err)
return err
}
hdr.Name = "kftools"
// 将tar的文件信息hdr写入到tw
err = tw.WriteHeader(hdr)
if err != nil {
logrus.Error(err)
return err
}
// 将文件数据写入
_, err = io.Copy(tw, f)
return err
}