NewFromLocal can return multiple images

libpod/define/errors.go

@@ -14,6 +14,9 @@ var (
 	// ErrNoSuchImage indicates the requested image does not exist
 	ErrNoSuchImage = errors.New("no such image")
 
+	// ErrMultipleImages found multiple name and tag matches
+	ErrMultipleImages = errors.New("found multiple name and tag matches")
+
 	// ErrNoSuchTag indicates the requested image tag does not exist
 	ErrNoSuchTag = errors.New("no such tag")
 

libpod/image/utils.go

@@ -11,6 +11,7 @@ import (
 	"github.com/containers/image/v5/docker/reference"
 	"github.com/containers/image/v5/signature"
 	"github.com/containers/image/v5/types"
+	"github.com/containers/podman/v2/libpod/define"
 	"github.com/containers/storage"
 	"github.com/pkg/errors"
 )
@@ -42,7 +43,7 @@ func findImageInRepotags(search imageParts, images []*Image) (*storage.Image, er
 	if len(results) == 0 {
 		return &storage.Image{}, errors.Errorf("unable to find a name and tag match for %s in repotags", searchName)
 	} else if len(results) > 1 {
-		return &storage.Image{}, errors.Errorf("found multiple name and tag matches for %s in repotags", searchName)
+		return &storage.Image{}, errors.Wrapf(define.ErrMultipleImages, searchName)
 	}
 	return results[0], nil
 }

pkg/api/handlers/libpod/images.go

@@ -44,11 +44,16 @@ func ImageExists(w http.ResponseWriter, r *http.Request) {
 	runtime := r.Context().Value("runtime").(*libpod.Runtime)
 	name := utils.GetName(r)
 
-	_, err := runtime.ImageRuntime().NewFromLocal(name)
+	ir := abi.ImageEngine{Libpod: runtime}
+	report, err := ir.Exists(r.Context(), name)
 	if err != nil {
 		utils.Error(w, "Something went wrong.", http.StatusNotFound, errors.Wrapf(err, "failed to find image %s", name))
 		return
 	}
+	if !report.Value {
+		utils.Error(w, "Something went wrong.", http.StatusNotFound, errors.Wrapf(nil, "failed to find image %s", name))
+		return
+	}
 	utils.WriteResponse(w, http.StatusNoContent, "")
 }
 

pkg/domain/infra/abi/images.go

@@ -39,8 +39,14 @@ const SignatureStoreDir = "/var/lib/containers/sigstore"
 
 func (ir *ImageEngine) Exists(_ context.Context, nameOrID string) (*entities.BoolReport, error) {
 	_, err := ir.Libpod.ImageRuntime().NewFromLocal(nameOrID)
-	if err != nil && errors.Cause(err) != define.ErrNoSuchImage {
-		return nil, err
+	if err != nil {
+		if errors.Cause(err) == define.ErrMultipleImages {
+			return &entities.BoolReport{Value: true}, nil
+		} else {
+			if errors.Cause(err) != define.ErrNoSuchImage {
+				return nil, err
+			}
+		}
 	}
 	return &entities.BoolReport{Value: err == nil}, nil
 }