1 files changed, 38 insertions, 0 deletions
diff --git a/app/controllers/concerns/registry/connection_errors_handler.rb b/app/controllers/concerns/registry/connection_errors_handler.rb
new file mode 100644
index 00000000000..2b24f3b5b31
--- /dev/null
+++ b/app/controllers/concerns/registry/connection_errors_handler.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module Registry
+  module ConnectionErrorsHandler
+    extend ActiveSupport::Concern
+
+    included do
+      rescue_from ContainerRegistry::Path::InvalidRegistryPathError, with: :invalid_registry_path
+      rescue_from Faraday::Error, with: :connection_error
+
+      before_action :ping_container_registry
+    end
+
+    private
+
+    # rubocop:disable Gitlab/ModuleWithInstanceVariables
+    # These instance variables are only read by a view helper to pass
+    # them to the frontend
+    # See app/views/projects/registry/repositories/index.html.haml
+    # app/views/groups/registry/repositories/index.html.haml
+    def invalid_registry_path
+      @invalid_path_error = true
+
+      render :index
+    end
+
+    def connection_error
+      @connection_error = true
+
+      render :index
+    end
+    # rubocop:enable Gitlab/ModuleWithInstanceVariables
+
+    def ping_container_registry
+      ContainerRegistry::Client.registry_info
+    end
+  end
+end