anchor.diff:  <% @renderers.each do |rs| -%>
       apache_accesses.<%= rs[:name].tr("-", "_") %>.label <%= rs[:name] %>
       apache_accesses.<%= rs[:name].tr("-", "_") %>.draw AREASTACK
  +    apache_accesses.<%= rs[:name].tr("-", "_") %>.min 0
   <% end -%>
       apache_volume.graph_title Apache volume
       apache_volume.graph_vlabel bytes per ${graph_period}
  
positive.code:     apache_accesses.graph_category apache
      apache_accesses.accesses80.sum <%= Chef::Munin.expand "%%.openstreetmap:apache_accesses.accesses80", @frontends %>
      apache_accesses.accesses80.label port 80
      apache_volume.graph_title Apache volume
      apache_volume.graph_vlabel bytes per ${graph_period}
      apache_volume.graph_category apache
      apache_volume.volume80.sum <%= Chef::Munin.expand "%%.openstreetmap:apache_volume.volume80", @frontends %>
      apache_volume.volume80.label port 80
      if_eth0.graph_title eth0 traffic
      if_eth0.graph_vlabel bits in (-) / out (+) per ${graph_period}
      if_eth0.graph_category network
  
negative.code: <% @renderers.each do |rs| -%>
      apache_volume.<%= rs[:name].tr("-", "_") %>.label <%= rs[:name] %>
      apache_volume.<%= rs[:name].tr("-", "_") %>.draw AREASTACK
      apache_volume.<%= rs[:name].tr("-", "_") %>.min 0
  <% end -%>
      network_in.graph_title Inbound network traffic
      network_in.graph_vlabel bits in per ${graph_period}
  