Getting all the master nodes in an elasticsearch cluster

I am trying to get all the master nodes in an elasticsearch cluster using this code. Can I reduce/simply this or optimize further?

#!/usr/bin/env ruby require 'elasticsearch'   client_node = ARGV[0]  client = Elasticsearch::Client.new host: client_node  clients = client.nodes.info process: true  clients['nodes'].each do |node|         node_id = node[0]         puts clients['nodes'][node_id]['host'] if clients['nodes'][node_id]['attributes']['master']== "true" end 

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Category: ruby Time: 2016-07-30 Views: 0

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