<% 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
+<% node[:prometheus][:metrics].sort.each do |name, details| -%>
+# HELP <%= name %> <%= details[:help] %>
+# TYPE <%= name %> gauge
+<%= name %>{<%= Hash(details[:labels]).map { |k,v| "#{k}=\"#{v}\"" }.join(",") %>} <%= details[:metric] || 1 %>
<% end -%>