Add GraphQL API for getting the information necessary to list images in the zot cli without download manifests.

If this GraphQL API is available, try that first, else fallback to the slowpath.

Signed-off-by: Roxana Nemulescu <roxana.nemulescu@gmail.com>

pkg/cli/image_cmd.go

@@ -129,7 +129,15 @@ func setupImageFlags(imageCmd *cobra.Command, searchImageParams map[string]*stri
 }
 
 func searchImage(searchConfig searchConfig) error {
-	for _, searcher := range getImageSearchers() {
+	var searchers []searcher
+
+	if checkExtEndPoint(*searchConfig.servURL) {
+		searchers = getImageSearchersGQL()
+	} else {
+		searchers = getImageSearchers()
+	}
+
+	for _, searcher := range searchers {
 		found, err := searcher.search(searchConfig)
 		if found {
 			if err != nil {