package libpod import ( "encoding/json" "strings" "github.com/containers/image/types" "github.com/containers/storage" digest "github.com/opencontainers/go-digest" ociv1 "github.com/opencontainers/image-spec/specs-go/v1" "github.com/pkg/errors" "github.com/projectatomic/libpod/libpod/driver" ) func getImageData(img storage.Image, imgRef types.Image, size int64, driver *driver.Data) (*ImageData, error) { imgSize, err := imgRef.Size() if err != nil { return nil, errors.Wrapf(err, "error reading size of image %q", img.ID) } manifest, manifestType, err := imgRef.Manifest() if err != nil { return nil, errors.Wrapf(err, "error reading manifest for image %q", img.ID) } imgDigest := digest.Digest("") if len(manifest) > 0 { imgDigest = digest.Canonical.FromBytes(manifest) } annotations := annotations(manifest, manifestType) ociv1Img, err := imgRef.OCIConfig() if err != nil { return nil, errors.Wrapf(err, "error getting oci image info %q", img.ID) } info, err := imgRef.Inspect() if err != nil { return nil, errors.Wrapf(err, "error getting image info %q", img.ID) } var repoDigests []string for _, name := range img.Names { repoDigests = append(repoDigests, strings.SplitN(name, ":", 2)[0]+"@"+imgDigest.String()) } data := &ImageData{ ID: img.ID, RepoTags: img.Names, RepoDigests: repoDigests, Comment: ociv1Img.History[0].Comment, Created: ociv1Img.Created, Author: ociv1Img.History[0].Author, Architecture: ociv1Img.Architecture, Os: ociv1Img.OS, Config: &ociv1Img.Config, Version: info.DockerVersion, Size: size, VirtualSize: size + imgSize, Annotations: annotations, Digest: imgDigest, Labels: info.Labels, RootFS: &RootFS{ Type: ociv1Img.RootFS.Type, Layers: ociv1Img.RootFS.DiffIDs, }, GraphDriver: driver, } return data, nil } func annotations(manifest []byte, manifestType string) map[string]string { annotations := make(map[string]string) switch manifestType { case ociv1.MediaTypeImageManifest: var m ociv1.Manifest if err := json.Unmarshal(manifest, &m); err == nil { for k, v := range m.Annotations { annotations[k] = v } } } return annotations }