gistfile1.txt

search(:node, 'nagios_monitor_removal:[* TO *]') do |monitoring_node|
   if(monitoring_node[:nagios][:monitor_removal].include?(node[:hostname]))

      node[:reclamation][:was_shut_down] = true

      ruby_block "shutdown" do
         block do
            node.save
         end
      end

      execute 'halt' do
         command 'halt &'
      end

   else
      node[:reclamation][:was_shut_down] = false
   end
end