manifests

package
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Published: Jun 17, 2020 License: Apache-2.0 Imports: 20 Imported by: 5

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Constants

This section is empty.

Variables

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var ErrListImageUnknown = stderrors.New("unable to determine which image holds the manifest list")

ErrListImageUnknown is returned when we attempt to create an image reference for a List that has not yet been saved to an image.

Functions

This section is empty.

Types

type List

type List interface {
	manifests.List
	SaveToImage(store storage.Store, imageID string, names []string, mimeType string) (string, error)
	Reference(store storage.Store, multiple cp.ImageListSelection, instances []digest.Digest) (types.ImageReference, error)
	Push(ctx context.Context, dest types.ImageReference, options PushOptions) (reference.Canonical, digest.Digest, error)
	Add(ctx context.Context, sys *types.SystemContext, ref types.ImageReference, all bool) (digest.Digest, error)
}

List is a manifest list or image index, either created using Create(), or loaded from local storage using LoadFromImage().

func Create

func Create() List

Create creates a new list containing information about the specified image, computing its manifest's digest, and retrieving OS and architecture information from its configuration blob. Returns the new list, and the instanceDigest for the initial image.

func LoadFromImage

func LoadFromImage(store storage.Store, image string) (string, List, error)

LoadFromImage reads the manifest list or image index, and additional information about where the various instances that it contains live, from an image record with the specified ID in local storage.

type PushOptions

type PushOptions struct {
	Store              storage.Store
	SystemContext      *types.SystemContext  // github.com/containers/image/types.SystemContext
	ImageListSelection cp.ImageListSelection // set to either CopySystemImage, CopyAllImages, or CopySpecificImages
	Instances          []digest.Digest       // instances to copy if ImageListSelection == CopySpecificImages
	ReportWriter       io.Writer             // will be used to log the writing of the list and any blobs
	SignBy             string                // fingerprint of GPG key to use to sign images
	RemoveSignatures   bool                  // true to discard signatures in images
	ManifestType       string                // the format to use when saving the list - possible options are oci, v2s1, and v2s2
}

PushOptions includes various settings which are needed for pushing the manifest list and its instances.

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