Refactor (ruby) redis configuration (#31694)

app/lib/redis_configuration.rb

@@ -1,54 +0,0 @@
-# frozen_string_literal: true
-
-class RedisConfiguration
-  class << self
-    def establish_pool(new_pool_size)
-      @pool&.shutdown(&:close)
-      @pool = ConnectionPool.new(size: new_pool_size) { new.connection }
-    end
-
-    delegate :with, to: :pool
-
-    def pool
-      @pool ||= establish_pool(pool_size)
-    end
-
-    def pool_size
-      if Sidekiq.server?
-        Sidekiq[:concurrency]
-      else
-        ENV['MAX_THREADS'] || 5
-      end
-    end
-  end
-
-  def connection
-    if namespace?
-      Redis::Namespace.new(namespace, redis: raw_connection)
-    else
-      raw_connection
-    end
-  end
-
-  def namespace?
-    namespace.present?
-  end
-
-  def namespace
-    ENV.fetch('REDIS_NAMESPACE', nil)
-  end
-
-  def url
-    ENV['REDIS_URL']
-  end
-
-  def redis_driver
-    ENV.fetch('REDIS_DRIVER', 'hiredis') == 'ruby' ? :ruby : :hiredis
-  end
-
-  private
-
-  def raw_connection
-    Redis.new(url: url, driver: redis_driver)
-  end
-end