cookbooks/fb_limits/templates/default/limits.conf.erb

<%  node['fb_limits'].keys.sort.each do |domain| %>
<%    node['fb_limits'][domain].to_hash.each do |item, hash| %>
<%      hash.each do |type,value| %>
<%=       "%-15s %-15s %-15s %-15s" % [ domain, type, item, value ] %>
<%      end %>
<%    end %>
<%  end %>