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Diffstat (limited to 'libpod/image/image.go')
-rw-r--r--libpod/image/image.go72
1 files changed, 58 insertions, 14 deletions
diff --git a/libpod/image/image.go b/libpod/image/image.go
index 5dfb33afb..f5bf47694 100644
--- a/libpod/image/image.go
+++ b/libpod/image/image.go
@@ -410,48 +410,92 @@ func (ir *Runtime) getLocalImage(inputName string) (string, *storage.Image, erro
if inputName == "" {
return "", nil, errors.Errorf("input name is blank")
}
+
// Check if the input name has a transport and if so strip it
dest, err := alltransports.ParseImageName(inputName)
if err == nil && dest.DockerReference() != nil {
inputName = dest.DockerReference().String()
}
- img, err := ir.getImage(stripSha256(inputName))
+ // Early check for fully-qualified images and (short) IDs.
+ img, err := ir.store.Image(stripSha256(inputName))
if err == nil {
- return inputName, img, err
+ return inputName, img, nil
}
- // container-storage wasn't able to find it in its current form
- // check if the input name has a tag, and if not, run it through
- // again
+ // Note that it's crucial to first decompose the image and check if
+ // it's a fully-qualified one or a "short name". The latter requires
+ // some normalization with search registries and the
+ // "localhost/prefix".
decomposedImage, err := decompose(inputName)
if err != nil {
+ // We may have a storage reference. We can't parse it to a
+ // reference before. Otherwise, we'd normalize "alpine" to
+ // "docker.io/library/alpine:latest" which would break the
+ // order in which we should query local images below.
+ if ref, err := is.Transport.ParseStoreReference(ir.store, inputName); err == nil {
+ img, err = is.Transport.GetStoreImage(ir.store, ref)
+ if err == nil {
+ return inputName, img, nil
+ }
+ }
return "", nil, err
}
- // The image has a registry name in it and we made sure we looked for it locally
- // with a tag. It cannot be local.
+ // The specified image is fully qualified, so it doesn't exist in the
+ // storage.
if decomposedImage.hasRegistry {
+ // However ... we may still need to normalize to docker.io:
+ // `docker.io/foo` -> `docker.io/library/foo`
+ if ref, err := is.Transport.ParseStoreReference(ir.store, inputName); err == nil {
+ img, err = is.Transport.GetStoreImage(ir.store, ref)
+ if err == nil {
+ return inputName, img, nil
+ }
+ }
return "", nil, errors.Wrapf(ErrNoSuchImage, imageError)
}
- // if the image is saved with the repository localhost, searching with localhost prepended is necessary
- // We don't need to strip the sha because we have already determined it is not an ID
- ref, err := decomposedImage.referenceWithRegistry(DefaultLocalRegistry)
+
+ // "Short-name image", so let's try out certain prefixes:
+ // 1) DefaultLocalRegistry (i.e., "localhost/)
+ // 2) Unqualified-search registries from registries.conf
+ unqualifiedSearchRegistries, err := registries.GetRegistries()
if err != nil {
return "", nil, err
}
- img, err = ir.getImage(ref.String())
+
+ for _, candidate := range append([]string{DefaultLocalRegistry}, unqualifiedSearchRegistries...) {
+ ref, err := decomposedImage.referenceWithRegistry(candidate)
+ if err != nil {
+ return "", nil, err
+ }
+ img, err := ir.store.Image(ref.String())
+ if err == nil {
+ return ref.String(), img, nil
+ }
+ }
+
+ // Backwards compat: normalize to docker.io as some users may very well
+ // rely on that.
+ ref, err := is.Transport.ParseStoreReference(ir.store, inputName)
if err == nil {
- return inputName, img, err
+ img, err = is.Transport.GetStoreImage(ir.store, ref)
+ if err == nil {
+ return inputName, img, nil
+ }
}
- // grab all the local images
+ // Last resort: look at the repotags of all images and try to find a
+ // match.
images, err := ir.GetImages()
if err != nil {
return "", nil, err
}
- // check the repotags of all images for a match
+ decomposedImage, err = decompose(inputName)
+ if err != nil {
+ return "", nil, err
+ }
repoImage, err := findImageInRepotags(decomposedImage, images)
if err == nil {
return inputName, repoImage, nil