1 files changed, 58 insertions, 0 deletions
diff --git a/app/models/concerns/storage/uuid_project.rb b/app/models/concerns/storage/uuid_project.rb
new file mode 100644
index 00000000000..8a73287e518
--- /dev/null
+++ b/app/models/concerns/storage/uuid_project.rb
@@ -0,0 +1,58 @@
+module Storage
+  module UUIDProject
+    extend ActiveSupport::Concern
+
+    def uuid_dir
+      %Q(#{uuid[0..1]}/#{uuid[2..3]})
+    end
+
+    def disk_path
+      %Q(#{uuid_dir}/#{uuid})
+    end
+
+    def ensure_storage_path_exist
+      gitlab_shell.add_namespace(repository_storage_path, uuid_dir)
+    end
+
+    def rename_repo
+      # TODO: We cannot wipe most of this method until we provide migration path for Container Registries
+      path_was = previous_changes['path'].first
+      old_path_with_namespace = File.join(namespace.full_path, path_was)
+      new_path_with_namespace = File.join(namespace.full_path, path)
+
+      Rails.logger.error "Attempting to rename #{old_path_with_namespace} -> #{new_path_with_namespace}"
+
+      if has_container_registry_tags?
+        Rails.logger.error "Project #{old_path_with_namespace} cannot be renamed because container registry tags are present!"
+
+        # we currently doesn't support renaming repository if it contains images in container registry
+        raise StandardError.new('Project cannot be renamed, because images are present in its container registry')
+      end
+
+      begin
+        # TODO: we can avoid cache expiration if cache is based on UUID or just project_id
+        expire_caches_before_rename(old_path_with_namespace)
+        expires_full_path_cache
+
+        send_move_instructions(old_path_with_namespace)
+
+        @old_path_with_namespace = old_path_with_namespace
+
+        SystemHooksService.new.execute_hooks_for(self, :rename)
+
+        @repository = nil
+      rescue => e
+        Rails.logger.error "Exception renaming #{old_path_with_namespace} -> #{new_path_with_namespace}: #{e}"
+        # Returning false does not rollback after_* transaction but gives
+        # us information about failing some of tasks
+        false
+      end
+
+      Gitlab::AppLogger.info "Project was renamed: #{old_path_with_namespace} -> #{new_path_with_namespace}"
+
+      # TODO: When we move Uploads and Pages to use UUID we can disable this transfers as well
+      Gitlab::UploadsTransfer.new.rename_project(path_was, path, namespace.full_path)
+      Gitlab::PagesTransfer.new.rename_project(path_was, path, namespace.full_path)
+    end
+  end
+end