new_contents: import diamond.collector
  import subprocess
  
  class PowerDNSCollector(diamond.collector.Collector):
      """
      Collects all metrics exported by the powerdns nameserver using the
      pdns_control binary.
      """ 
      def get_default_config(self): 
          """
          Returns the default collector settings
          """
          return { 
              'pdns_control': '/usr/bin/pdns_control', 
              'path': 'powerdns', 
          }
  
      def collect(self):
          sp = subprocess.Popen([self.config['pdns_control'], "list"], stdout=subprocess.PIPE)
          data = sp.communicate()[0]
          for metric in data.split(','):
              if not metric.strip():
                  continue
              metric, value = metric.split('=')
              self.publish(metric, int(value))
  
subject: Add a collector for powerdns statistics