Function createImages

integration/client/import_test.go:751–834

(tc tartest.TarContext, imageNames ...string)

}

func createImages(tc tartest.TarContext, imageNames ...string) (descs map[string]ocispec.Descriptor, tw []tartest.WriterToTar) {
	descs = map[string]ocispec.Descriptor{}
	idx := ocispec.Index{
		Versioned: specs.Versioned{
			SchemaVersion: 2,
		},
	}

	// indexDigestRefs collects @<index> entries to be resolved with the
	// index digest after the index is built.
	var indexDigestRefs []string

	if len(imageNames) > 1 {
		var lastManifest ocispec.Descriptor

		for _, image := range imageNames[1:] {
			if name, ok := strings.CutSuffix(image, "@<index>"); ok {
				indexDigestRefs = append(indexDigestRefs, name)
				continue
			}
			if name, ok := strings.CutSuffix(image, "@<manifest>"); ok {
				descs[fmt.Sprintf("%s@%s", name, lastManifest.Digest)] = lastManifest
				continue
			}
			seed := hash64(image)
			bb, b := createContent(128, seed)
			tw = append(tw, tc.File(ocispec.ImageBlobsDir+"/sha256/"+b.Encoded(), bb, 0644))

			cb, c := createConfig("linux", "amd64", image)
			tw = append(tw, tc.File(ocispec.ImageBlobsDir+"/sha256/"+c.Encoded(), cb, 0644))

			mb, m, _ := createManifest(cb, [][]byte{bb})
			tw = append(tw, tc.File(ocispec.ImageBlobsDir+"/sha256/"+m.Encoded(), mb, 0644))

			annotations := map[string]string{}
			if image != "" {
				if parts := strings.SplitN(image, " ", 2); len(parts) == 2 {
					annotations[ocispec.AnnotationRefName] = parts[1]
					image = strings.Join(parts, ":")
				} else {
					annotations[images.AnnotationImageName] = image
				}
			}

			md := ocispec.Descriptor{
				Digest:      m,
				Size:        int64(len(mb)),
				MediaType:   ocispec.MediaTypeImageManifest,
				Annotations: annotations,
			}

			// If image is empty, but has base and digest, still use digest
			// If image is not a full reference, then add base if provided?
			if image != "" {
				descs[image] = md
			}

			idx.Manifests = append(idx.Manifests, md)