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package image
import (
"github.com/containers/image/docker/reference"
"github.com/containers/storage"
"github.com/pkg/errors"
)
func getTags(nameInput string) (reference.NamedTagged, bool, error) {
inputRef, err := reference.Parse(nameInput)
if err != nil {
return nil, false, errors.Wrapf(err, "unable to obtain tag from input name")
}
tagged, isTagged := inputRef.(reference.NamedTagged)
return tagged, isTagged, nil
}
// findImageInRepotags takes an imageParts struct and searches images' repotags for
// a match on name:tag
func findImageInRepotags(search imageParts, images []*storage.Image) (*storage.Image, error) {
var results []*storage.Image
for _, image := range images {
for _, name := range image.Names {
d, err := decompose(name)
// if we get an error, ignore and keep going
if err != nil {
continue
}
if d.name == search.name && d.tag == search.tag {
results = append(results, image)
break
}
}
}
if len(results) == 0 {
return &storage.Image{}, errors.Errorf("unable to find a name and tag match for %s in repotags", search)
} else if len(results) > 1 {
return &storage.Image{}, errors.Errorf("found multiple name and tag matches for %s in repotags", search)
}
return results[0], nil
}
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