Unable to load Netmap layer 3 map with ELINK peers

[Morten Brekkevold]

An attempt to load a Netmap layer 3 traffic map that contains ELINK nodes will crash the backend data provider.

This is related to the fix for bug 1398382.

The following traceback is mailed to the admin:

Traceback (most recent call last):

  File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py", line 109, in get_response
    response = callback(request, *callback_args, **callback_kwargs)

  File "/usr/lib/python2.7/dist-packages/rest_framework/compat.py", line 121, in view
    return self.dispatch(request, *args, **kwargs)

  File "/usr/lib/python2.7/dist-packages/django/views/decorators/csrf.py", line 77, in wrapped_view
    return view_func(*args, **kwargs)

  File "/usr/lib/python2.7/dist-packages/rest_framework/views.py", line 327, in dispatch
    response = self.handle_exception(exc)

  File "/usr/lib/python2.7/dist-packages/rest_framework/views.py", line 324, in dispatch
    response = handler(request, *args, **kwargs)

  File "/usr/lib/python2.7/dist-packages/nav/web/netmap/views.py", line 297, in get
    return Response(get_topology_graph(layer, load_traffic, view))

  File "/usr/lib/python2.7/dist-packages/nav/web/netmap/graph.py", line 46, in get_topology_graph
    return _json_layer3(load_traffic, view)

  File "/usr/lib/python2.7/dist-packages/nav/web/netmap/graph.py", line 91, in _json_layer3
    node_a, node_b, nx_metadata in graph.edges_iter(data=True)]

  File "/usr/lib/python2.7/dist-packages/nav/netmap/metadata.py", line 408, in edge_to_json_layer3
    metadata_collection[vlan_id].append(edge.to_json())

  File "/usr/lib/python2.7/dist-packages/nav/netmap/metadata.py", line 311, in to_json
    'source': self.source.to_json() or 'null',

  File "/usr/lib/python2.7/dist-packages/nav/netmap/metadata.py", line 147, in to_json
    self.interface.ifname)})

  File "/usr/lib/python2.7/dist-packages/django/core/urlresolvers.py", line 502, in reverse
    return iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs))

  File "/usr/lib/python2.7/dist-packages/django/core/urlresolvers.py", line 422, in _reverse_with_prefix
    "arguments '%s' not found." % (lookup_view_s, args, kwargs))

NoReverseMatch: Reverse for 'ipdevinfo-interface-details-by-name' with arguments '()' and keyword arguments '{'port_name': u'N/A (peer of 10.0.49.5)', 'netbox_sysname': u''}' not found.

[Morten Brekkevold (mbrekkevold)]

fix here: https://nav.uninett.no/hg/stable/rev/fca83369dc05