1 files changed, 81 insertions, 0 deletions
diff --git a/libpod/image_inspect.go b/libpod/image_inspect.go
new file mode 100644
index 000000000..a08665434
--- /dev/null
+++ b/libpod/image_inspect.go
@@ -0,0 +1,81 @@
+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
+}