1 files changed, 31 insertions, 0 deletions
diff --git a/lib/feature/gitaly.rb b/lib/feature/gitaly.rb
new file mode 100644
index 00000000000..d7a8f8a0b9e
--- /dev/null
+++ b/lib/feature/gitaly.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require 'set'
+
+class Feature
+  class Gitaly
+    # Server feature flags should use '_' to separate words.
+    # CATFILE_CACHE sets an incorrect example
+    CATFILE_CACHE = 'catfile-cache'.freeze
+
+    SERVER_FEATURE_FLAGS = [CATFILE_CACHE].freeze
+    DEFAULT_ON_FLAGS = Set.new([CATFILE_CACHE]).freeze
+
+    class << self
+      def enabled?(feature_flag)
+        return false unless Feature::FlipperFeature.table_exists?
+
+        default_on = DEFAULT_ON_FLAGS.include?(feature_flag)
+        Feature.enabled?("gitaly_#{feature_flag}", default_enabled: default_on)
+      rescue ActiveRecord::NoDatabaseError
+        false
+      end
+
+      def server_feature_flags
+        SERVER_FEATURE_FLAGS.map do |f|
+          ["gitaly-feature-#{f.tr('_', '-')}", enabled?(f).to_s]
+        end.to_h
+      end
+    end
+  end
+end