module Redis::Cluster::NodeKey

def build_from_host_port(host, port)
  "#{host}#{DELIMITER}#{port}"
end

def build_from_uri(uri)
  "#{uri.host}#{DELIMITER}#{uri.port}"
end

def optionize(node_key)
  host, port = split(node_key)
  { host: host, port: port }
end

def split(node_key)
  node_key.split(DELIMITER)
end