chrootarchive

package
Version: v0.0.0-...-88d8042 Latest Latest
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Published: Jun 4, 2018 License: Apache-2.0 Imports: 16 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ApplyLayer

func ApplyLayer(dest string, layer io.Reader) (size int64, err error)

ApplyLayer parses a diff in the standard layer format from `layer`, and applies it to the directory `dest`. The stream `layer` can only be uncompressed. Returns the size in bytes of the contents of the layer.

func ApplyUncompressedLayer

func ApplyUncompressedLayer(dest string, layer io.Reader, options *archive.TarOptions) (int64, error)

ApplyUncompressedLayer parses a diff in the standard layer format from `layer`, and applies it to the directory `dest`. The stream `layer` can only be uncompressed. Returns the size in bytes of the contents of the layer.

func NewArchiver

func NewArchiver(idMappings *idtools.IDMappings) *archive.Archiver

NewArchiver returns a new Archiver which uses chrootarchive.Untar

func NewArchiverWithChown

func NewArchiverWithChown(tarIDMappings *idtools.IDMappings, chownOpts *idtools.IDPair, untarIDMappings *idtools.IDMappings) *archive.Archiver

NewArchiverWithChown returns a new Archiver which uses chrootarchive.Untar and the provided ID mapping configuration on both ends

func Untar

func Untar(tarArchive io.Reader, dest string, options *archive.TarOptions) error

Untar reads a stream of bytes from `archive`, parses it as a tar archive, and unpacks it into the directory at `dest`. The archive may be compressed with one of the following algorithms:

identity (uncompressed), gzip, bzip2, xz.

func UntarUncompressed

func UntarUncompressed(tarArchive io.Reader, dest string, options *archive.TarOptions) error

UntarUncompressed reads a stream of bytes from `archive`, parses it as a tar archive, and unpacks it into the directory at `dest`. The archive must be an uncompressed stream.

Types

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