本文整理匯總了Golang中github.com/Microsoft/hcsshim.LayerReader.Close方法的典型用法代碼示例。如果您正苦於以下問題:Golang LayerReader.Close方法的具體用法?Golang LayerReader.Close怎麽用?Golang LayerReader.Close使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/Microsoft/hcsshim.LayerReader
的用法示例。
在下文中一共展示了LayerReader.Close方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: exportLayer
// exportLayer generates an archive from a layer based on the given ID.
func (d *Driver) exportLayer(id string, parentLayerPaths []string) (archive.Archive, error) {
if hcsshim.IsTP4() {
// Export in TP4 format to maintain compatibility with existing images and
// because ExportLayer is somewhat broken on TP4 and can't work with the new
// scheme.
tempFolder, err := ioutil.TempDir("", "hcs")
if err != nil {
return nil, err
}
defer func() {
if err != nil {
os.RemoveAll(tempFolder)
}
}()
if err = hcsshim.ExportLayer(d.info, id, tempFolder, parentLayerPaths); err != nil {
return nil, err
}
archive, err := archive.Tar(tempFolder, archive.Uncompressed)
if err != nil {
return nil, err
}
return ioutils.NewReadCloserWrapper(archive, func() error {
err := archive.Close()
os.RemoveAll(tempFolder)
return err
}), nil
}
var r hcsshim.LayerReader
r, err := hcsshim.NewLayerReader(d.info, id, parentLayerPaths)
if err != nil {
return nil, err
}
archive, w := io.Pipe()
go func() {
err := writeTarFromLayer(r, w)
cerr := r.Close()
if err == nil {
err = cerr
}
w.CloseWithError(err)
}()
return archive, nil
}
示例2: exportLayer
// exportLayer generates an archive from a layer based on the given ID.
func (d *Driver) exportLayer(id string, parentLayerPaths []string) (archive.Archive, error) {
var r hcsshim.LayerReader
r, err := hcsshim.NewLayerReader(d.info, id, parentLayerPaths)
if err != nil {
return nil, err
}
archive, w := io.Pipe()
go func() {
err := writeTarFromLayer(r, w)
cerr := r.Close()
if err == nil {
err = cerr
}
w.CloseWithError(err)
}()
return archive, nil
}