archive

Documentation

Overview

Package archive provides a Docker and OCI compatible importer

Index

• func AddRefPrefix(image string) func(string) string
• func DigestTranslator(prefix string) func(digest.Digest) string
• func FilterRefPrefix(image string) func(string) string
• func ImportIndex(ctx context.Context, store content.Store, reader io.Reader) (ocispec.Descriptor, error)

Functions

func AddRefPrefix

func AddRefPrefix(image string) func(string) string

AddRefPrefix prepends the given image prefix to tag-only references, while leaving returning full references unmodified.

func DigestTranslator

func DigestTranslator(prefix string) func(digest.Digest) string

DigestTranslator creates a digest reference by adding the digest to an image name

func FilterRefPrefix

func FilterRefPrefix(image string) func(string) string

FilterRefPrefix restricts references to having the given image prefix. Tag-only references will have the prefix prepended.

func ImportIndex

func ImportIndex(ctx context.Context, store content.Store, reader io.Reader) (ocispec.Descriptor, error)

ImportIndex imports an index from a tar archive image bundle

• implements Docker v1.1, v1.2 and OCI v1.
• prefers OCI v1 when provided
• creates OCI index for Docker formats
• normalizes Docker references and adds as OCI ref name e.g. alpine:latest -> docker.io/library/alpine:latest
• existing OCI reference names are untouched
• TODO: support option to compress layers on ingest