registryclient

Documentation

Index

• Constants
• func ExtractImageFile(ctx context.Context, imageRef string, pullSecret []byte, file string, ...) error
• func ExtractImageFiles(ctx context.Context, imageRef string, pullSecret []byte, files ...string) (map[string][]byte, error)
• func ExtractImageFilesToDir(ctx context.Context, imageRef string, pullSecret []byte, pattern string, ...) error
• func GetCorrectArchImage(ctx context.Context, component string, imageRef string, pullSecret []byte) (manifestImageRef string, err error)
• func GetListDigest(ctx context.Context, imageRef string, pullSecret []byte) (digest.Digest, error)
• func GetManifest(ctx context.Context, imageRef string, pullSecret []byte) (distribution.Manifest, error)
• func GetRepoSetup(ctx context.Context, imageRef string, pullSecret []byte) (distribution.Repository, *reference.DockerImageReference, error)
• func IsMultiArchManifestList(ctx context.Context, imageRef string, pullSecret []byte) (bool, error)

Constants

const (
	ArchitectureAMD64   = "amd64"
	ArchitectureS390X   = "s390x"
	ArchitecturePPC64LE = "ppc64le"
	ArchitectureARM64   = "arm64"
)

Functions

func ExtractImageFile

func ExtractImageFile(ctx context.Context, imageRef string, pullSecret []byte, file string, out io.Writer) error

func ExtractImageFiles

func ExtractImageFiles(ctx context.Context, imageRef string, pullSecret []byte, files ...string) (map[string][]byte, error)

ExtractImageFiles extracts a list of files from a registry image given the image reference, pull secret and the list of files to extract. It returns a map with file contents or an error.

func ExtractImageFilesToDir

func ExtractImageFilesToDir(ctx context.Context, imageRef string, pullSecret []byte, pattern string, outputDir string) error

func GetCorrectArchImage

func GetCorrectArchImage(ctx context.Context, component string, imageRef string, pullSecret []byte) (manifestImageRef string, err error)

GetCorrectArchImage returns the appropriate image related to the system os/arch if the image reference is manifest listed, else returns the original image reference

func GetListDigest

func GetListDigest(ctx context.Context, imageRef string, pullSecret []byte) (digest.Digest, error)

func GetManifest

func GetManifest(ctx context.Context, imageRef string, pullSecret []byte) (distribution.Manifest, error)

GetManifest gets the manifest from an image

func GetRepoSetup

func GetRepoSetup(ctx context.Context, imageRef string, pullSecret []byte) (distribution.Repository, *reference.DockerImageReference, error)

GetRepoSetup connects to a repo and pulls the imageRef's docker image information from the repo. Returns the repo and the docker image.

func IsMultiArchManifestList

func IsMultiArchManifestList(ctx context.Context, imageRef string, pullSecret []byte) (bool, error)

IsMultiArchManifestList determines whether an image is a manifest listed image and contains manifests the following processor architectures: amd64, arm64, s390x, ppc64le