Add vm_host label to prometheus targets

site-cookbooks/kosmos_prometheus/recipes/server.rb

@@ -79,6 +79,7 @@ jobs = node["kosmos_prometheus"]["jobs"].merge(
       "targets" => search(:node, config["query"]).map do |n|
         target = { "target" => "#{n['knife_zero']['host']}:#{config['port']}", "instance" => n.name }
         target["env"] = n.chef_environment if n.chef_environment
+        target["vm_host"] = n["vm_host"] if n["vm_host"]
         target
       end.compact.sort_by { |t| t["instance"] },
     }

site-cookbooks/kosmos_prometheus/templates/default/prometheus.yml.erb

@@ -36,6 +36,9 @@ scrape_configs:
 <% if t['env'] %>
         env: <%= t['env'] %>
 <% end %>
+<% if t['vm_host'] %>
+        vm_host: <%= t['vm_host'] %>
+<% end %>
 <% end %>
 <% end %>