Cleanup /libpod/images/load handler

* Remove orphaned code
* Add meaningful error from LoadImageFromSingleImageArchive() when
  heuristic fails to determine payload format
* Correct swagger to output correct types and headers

Signed-off-by: Jhon Honce <jhonce@redhat.com>

2 files changed, 10 insertions, 18 deletions

diff --git a/pkg/api/handlers/libpod/images.go b/pkg/api/handlers/libpod/images.go
index 83fe23621..1f306a533 100644
--- a/pkg/api/handlers/libpod/images.go
+++ b/pkg/api/handlers/libpod/images.go
@@ -319,18 +319,6 @@ func ExportImages(w http.ResponseWriter, r *http.Request) {
 
 func ImagesLoad(w http.ResponseWriter, r *http.Request) {
 	runtime := r.Context().Value("runtime").(*libpod.Runtime)
-	decoder := r.Context().Value("decoder").(*schema.Decoder)
-	query := struct {
-		Reference string `schema:"reference"`
-	}{
-		// Add defaults here once needed.
-	}
-
-	if err := decoder.Decode(&query, r.URL.Query()); err != nil {
-		utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
-			errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
-		return
-	}
 
 	tmpfile, err := ioutil.TempFile("", "libpod-images-load.tar")
 	if err != nil {
@@ -338,14 +326,15 @@ func ImagesLoad(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	defer os.Remove(tmpfile.Name())
-	defer tmpfile.Close()
 
-	if _, err := io.Copy(tmpfile, r.Body); err != nil && err != io.EOF {
+	_, err = io.Copy(tmpfile, r.Body)
+	tmpfile.Close()
+
+	if err != nil && err != io.EOF {
 		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to write archive to temporary file"))
 		return
 	}
 
-	tmpfile.Close()
 	loadedImage, err := runtime.LoadImage(context.Background(), tmpfile.Name(), os.Stderr, "")
 	if err != nil {
 		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to load image"))
diff --git a/pkg/api/server/register_images.go b/pkg/api/server/register_images.go
index 3d86e5d38..423766bd8 100644
--- a/pkg/api/server/register_images.go
+++ b/pkg/api/server/register_images.go
@@ -810,11 +810,14 @@ func (s *APIServer) registerImagesHandlers(r *mux.Router) error {
 	// summary: Load image
 	// description: Load an image (oci-archive or docker-archive) stream.
 	// parameters:
-	//   - in: formData
+	//   - in: body
 	//     name: upload
-	//     description: tarball of container image
-	//     type: file
 	//     required: true
+	//     description: tarball of container image
+	//     schema:
+	//       type: string
+	// consumes:
+	// - application/x-tar
 	// produces:
 	// - application/json
 	// responses: