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-rw-r--r--libpod/runtime_img.go44
1 files changed, 43 insertions, 1 deletions
diff --git a/libpod/runtime_img.go b/libpod/runtime_img.go
index 1e9689362..451c2ebe7 100644
--- a/libpod/runtime_img.go
+++ b/libpod/runtime_img.go
@@ -3,7 +3,6 @@ package libpod
import (
"context"
"fmt"
- "github.com/opencontainers/image-spec/specs-go/v1"
"io"
"io/ioutil"
"net/http"
@@ -15,6 +14,11 @@ import (
"github.com/containers/libpod/pkg/util"
"github.com/containers/storage"
"github.com/pkg/errors"
+
+ "github.com/containers/image/directory"
+ dockerarchive "github.com/containers/image/docker/archive"
+ ociarchive "github.com/containers/image/oci/archive"
+ "github.com/opencontainers/image-spec/specs-go/v1"
)
// Runtime API
@@ -211,3 +215,41 @@ func downloadFromURL(source string) (string, error) {
return outFile.Name(), nil
}
+
+// LoadImage loads a container image into local storage
+func (r *Runtime) LoadImage(ctx context.Context, name, inputFile string, writer io.Writer, signaturePolicy string) (string, error) {
+ var newImages []*image.Image
+ src, err := dockerarchive.ParseReference(inputFile) // FIXME? We should add dockerarchive.NewReference()
+ if err == nil {
+ newImages, err = r.ImageRuntime().LoadFromArchiveReference(ctx, src, signaturePolicy, writer)
+ }
+ if err != nil {
+ // generate full src name with specified image:tag
+ src, err := ociarchive.NewReference(inputFile, name) // imageName may be ""
+ if err == nil {
+ newImages, err = r.ImageRuntime().LoadFromArchiveReference(ctx, src, signaturePolicy, writer)
+ }
+ if err != nil {
+ src, err := directory.NewReference(inputFile)
+ if err == nil {
+ newImages, err = r.ImageRuntime().LoadFromArchiveReference(ctx, src, signaturePolicy, writer)
+ }
+ if err != nil {
+ return "", errors.Wrapf(err, "error pulling %q", name)
+ }
+ }
+ }
+ return getImageNames(newImages), nil
+}
+
+func getImageNames(images []*image.Image) string {
+ var names string
+ for i := range images {
+ if i == 0 {
+ names = images[i].InputName
+ } else {
+ names += ", " + images[i].InputName
+ }
+ }
+ return names
+}