class Porkadot::Config

def etcd_nodes
  @etcd_nodes ||= {}.tap do |nodes|
    self.raw.nodes.each do |k, v|
      if v && v.labels && v.labels.to_hash.keys.include?(Porkadot::ETCD_MEMBER_LABEL)
        nodes[k] = Porkadot::Configs::EtcdNode.new(self, k, v)
      end
    end
  end
  return @etcd_nodes
end