1 files changed, 21 insertions, 0 deletions
diff --git a/lib/gitlab/patch/redis_cluster.rb b/lib/gitlab/patch/redis_cluster.rb
new file mode 100644
index 00000000000..145ce35a317
--- /dev/null
+++ b/lib/gitlab/patch/redis_cluster.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+# Patch to expose `find_node_key` method for cross-slot pipelining
+# In redis v5.0.x, cross-slot pipelining is implemented via redis-cluster-client.
+# This patch should be removed since there is no need for it.
+# Gitlab::Redis::CrossSlot and its usage should be removed as well.
+if Gem::Version.new(Redis::VERSION) != Gem::Version.new('4.8.0')
+  raise 'New version of redis detected, please remove or update this patch'
+end
+
+module Gitlab
+  module Patch
+    module RedisCluster
+      # _find_node_key exposes a private function of the same name in Redis::Cluster.
+      # See https://github.com/redis/redis-rb/blob/v4.8.0/lib/redis/cluster.rb#L282
+      def _find_node_key(command)
+        find_node_key(command)
+      end
+    end
+  end
+end