old_contents: from cbagent.collectors import Collector
  from cbagent.collectors.libstats.psstats import PSStats
  
  
  class PS(Collector):
  
      COLLECTOR = "atop"  # Legacy
  
      KNOWN_PROCESSES = ("beam.smp", "memcached", "indexer", "projector",
                         "cbq-engine")
  
      def __init__(self, settings):
          super(PS, self).__init__(settings)
          self.nodes = settings.hostnames or list(self.get_nodes())
  
          if hasattr(settings, "monitor_clients") and settings.monitor_clients\
                  and settings.master_node in settings.monitor_clients:
              self.nodes = settings.monitor_clients
              self.KNOWN_PROCESSES = ("backup", "cbbackupwrapper", )
  
          if hasattr(settings, "fts_server"):
              self.KNOWN_PROCESSES = ("beam.smp", "memcached", "cbft",)
  
          self.ps = PSStats(hosts=self.nodes,
                            user=self.ssh_username, password=self.ssh_password)
  
      def update_metadata(self):
          self.mc.add_cluster()
          for node in self.nodes:
              self.mc.add_server(node)
  
      def sample(self):
          for process in self.KNOWN_PROCESSES:
              for node, stats in self.ps.get_samples(process).items():
                  if stats:
                      self.update_metric_metadata(stats.keys(), server=node)
                      self.store.append(stats,
                                        cluster=self.cluster, server=node,
                                        collector=self.COLLECTOR)
  
new_contents: from cbagent.collectors import Collector
  from cbagent.collectors.libstats.psstats import PSStats
  
  
  class PS(Collector):
  
      COLLECTOR = "atop"  # Legacy
  
      KNOWN_PROCESSES = ("beam.smp", "memcached", "indexer", "projector",
                         "cbq-engine")
  
      def __init__(self, settings):
          super(PS, self).__init__(settings)
          self.nodes = settings.hostnames or list(self.get_nodes())
  
          if hasattr(settings, "monitor_clients") and settings.monitor_clients\
                  and settings.master_node in settings.monitor_clients:
              self.nodes = settings.monitor_clients
              self.KNOWN_PROCESSES = ("backup", "cbbackupwrapper", )
  
          if hasattr(settings, "fts_server") and settings.fts_server:
              self.KNOWN_PROCESSES = ("beam.smp", "memcached", "cbft",)
  
          self.ps = PSStats(hosts=self.nodes,
                            user=self.ssh_username, password=self.ssh_password)
  
      def update_metadata(self):
          self.mc.add_cluster()
          for node in self.nodes:
              self.mc.add_server(node)
  
      def sample(self):
          for process in self.KNOWN_PROCESSES:
              for node, stats in self.ps.get_samples(process).items():
                  if stats:
                      self.update_metric_metadata(stats.keys(), server=node)
                      self.store.append(stats,
                                        cluster=self.cluster, server=node,
                                        collector=self.COLLECTOR)
  
subject: Fix condition for FTS stats collection