Convert feedback from Elasticsearch's /_cat/indices endpoint to a Ruby hash

elasticsearch_indices.rb

def indices
  client.cat.indices.split("\n").map do |line|
    line = Hash[*[
      :health,
      :state,
      :index,
      :primaries ,
      :replicas,
      :count,
      :deleted,
      :total_size,
      :size
    ].zip(line.split(' ')).flatten]

    [:primaries, :replicas, :count, :deleted].each {|key| line[key] = line[key].to_i}

    line
  end
end

def client
  @client ||= ::Elasticsearch::Client.new(host: 'http://localhost:9200')
end