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