UNHANDLED EXCEPTION (2013-01-16 14:53:49.294291)
Working directory: /opt/noc
<type 'exceptions.AttributeError'>
'QuerySet' object has no attribute 'first_chassis_mac'
START OF TRACEBACK
------------------------------------------------------------------------
File: /opt/noc/inv/discovery/jobs/link_discovery.py (Line: 259)
Function: get_object_macs
  252             """
  253             Return object's MAC address interval
  254             :param object:
  255             :return:
  256             """
  257             d = DiscoveryID.objects.filter(object=object.id)
  258             if d:
  259 ==>             return d.first_chassis_mac, d.last_chassis_mac
  260             else:
  261                 return None, None
Variables:
                self = <noc.inv.discovery.jobs.rep_discovery.REPLinkDiscoveryJob object at 0x807c344d0>
              object = <ManagedObject: cat-r23>
                   d = [<DiscoveryID: cat-r23>]
------------------------------------------------------------------------
File: /opt/noc/inv/discovery/jobs/rep_discovery.py (Line: 28)
Function: process_result
   21         ignored = not config.getboolean("rep_discovery", "enabled")
   22         initial_submit_interval = config.getint("rep_discovery",
   23             "initial_submit_interval")
   24         initial_submit_concurrency = config.getint("rep_discovery",
   25             "initial_submit_concurrency")
   26
   27         def process_result(self, object, result):
   28 ==>         first_mac, last_mac = self.get_object_macs(object)
   29             if not first_mac or not last_mac:
   30                 return  # ID discovery is incomplete
   31             for segment in result:
   32                 # Find own ports
   33                 o = [i for i, p in enumerate(segment)
   34                      if first_mac <= p["mac"] <= last_mac]
Variables:
                self = <noc.inv.discovery.jobs.rep_discovery.REPLinkDiscoveryJob object at 0x807c344d0>
              object = <ManagedObject: cat-r23>
              result = [{'segment': 73, 'topology': [{'edge_no_neighbor': True, 'name': '...
------------------------------------------------------------------------
File: /opt/noc/inv/discovery/jobs/link_discovery.py (Line: 199)
Function: handler
  192             self.neighbor_by_mac_cache = {}  # mac -> object
  193             # Fetch existing links
  194             self.submited = set()  # (local_iface, remote_object, remote_iface)
  195             self.load_existing_links(object)
  196             # Process results
  197             self.candidates = defaultdict(list)  # remote -> [(local iface, remote_iface)]
  198                                                  # remote iface may be unknown
  199 ==>         self.process_result(object, result)
  200             # Fetch pending link checks
  201             self.p_candidates = defaultdict(list)  # remote -> [(local iface, remote_iface)]
  202                                                    # local iface may be unknown
  203             self.load_pending_checks(object)
  204             # Resolve self links
  205             self.resolve_self_links(object)
Variables:
                self = <noc.inv.discovery.jobs.rep_discovery.REPLinkDiscoveryJob object at 0x807c344d0>
              object = <ManagedObject: cat-r23>
              result = [{'segment': 73, 'topology': [{'edge_no_neighbor': True, 'name': '...
------------------------------------------------------------------------
File: /opt/noc/lib/scheduler/scheduler.py (Line: 244)
Function: _job_wrapper
  237                 t.start()
  238             else:
  239                 return self._job_wrapper(job, **kwargs)
  240
  241         def _job_wrapper(self, job, **kwargs):
  242             tb = None
  243             try:
  244 ==>             r = job.handler(**kwargs)
  245             except Exception:
  246                 error_report()
  247                 job.on_exception()
  248                 s = job.S_EXCEPTION
  249                 tb = get_traceback()
  250             else:
Variables:
                 job = <noc.inv.discovery.jobs.rep_discovery.REPLinkDiscoveryJob object at 0x807c344d0>
                  tb = None
                self = <noc.inv.discovery.scheduler.DiscoveryScheduler object at 0x804f79450>
              kwargs = {'object': <ManagedObject: cat-r23>, 'result': [{'segment': 73, 'topology': [{'edge_no_neighbor': True, 'name': '...
------------------------------------------------------------------------
END OF TRACEBACK