Ensure root container repository when visiting registry

Root container repository is a images repository that had been created
before 9.1, before we introduced multi-level images support.

1 files changed, 16 insertions, 0 deletions

diff --git a/app/controllers/projects/registry/repositories_controller.rb b/app/controllers/projects/registry/repositories_controller.rb
index 2901d83fcef..ab4344bcf3c 100644
--- a/app/controllers/projects/registry/repositories_controller.rb
+++ b/app/controllers/projects/registry/repositories_controller.rb
@@ -2,6 +2,7 @@ module Projects
   module Registry
     class RepositoriesController < ::Projects::Registry::ApplicationController
       before_action :authorize_update_container_image!, only: [:destroy]
+      before_action :ensure_root_container_repository!, only: [:index]
 
       def index
         @images = project.container_repositories
@@ -22,6 +23,21 @@ module Projects
       def image
         @image ||= project.container_repositories.find_by(id: params[:id])
       end
+
+      ##
+      # Container repository object for root project path.
+      #
+      # Needed to maintain a backwards compatibility.
+      #
+      def ensure_root_container_repository!
+        ContainerRegistry::Path.new(@project.full_path).tap do |path|
+          return if path.has_repository?
+
+          ContainerRepository.build_from_path(path).tap do |repository|
+            repository.save if repository.has_tags?
+          end
+        end
+      end
     end
   end
 end