<% node.interfaces do |interface| -%>
chef_network_interface{name="<%= interface[:interface] %>",role="<%= interface[:role].to_s %>",family="<%= interface[:family].to_s %>"} 1
<% end -%>
+# HELP chef_role Information about chef roles
+# TYPE chef_role gauge
+<% node[:roles].sort.each do |role| -%>
+chef_role{name="<%= role %>"} 1
+<% end -%>
+<% if node[:roles].include?("tilecache") -%>
+# HELP chef_tile_parent Information about tile cache parents
+# TYPE chef_tile_parent gauge
+chef_tile_parent{name="<%= node[:tilecache][:tile_parent].split(".").first %>"} 1
+<% end -%>