diff options
Diffstat (limited to 'libpod/runtime_img.go')
-rw-r--r-- | libpod/runtime_img.go | 44 |
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 +} |