[2.0b6, UI] Can't add a VLAN over the WebUI.

Bug #1589583 reported by Andres Rodriguez on 2016-06-06
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Blake Rouse

Bug Description

Adding a VLAN over the WebUI results in a nasty traceback in the logs, and an error in the WebUI.

1. Go to networks page
2. Add VLAN
3. Input name, VID, Select Fabric.
4. Click on Add

You will see "Form requires either a instance or a fabric." in the UI.

And you will the logs has a traceback:

2016-06-06 12:21:13 [-] Error on request (65) vlan.create: Form requires either a instance or a fabric.
        Traceback (most recent call last):
          File "/usr/lib/python3.5/threading.py", line 862, in run
            self._target(*self._args, **self._kwargs)
          File "/usr/lib/python3/dist-packages/provisioningserver/utils/twisted.py", line 904, in worker
            return target()
          File "/usr/lib/python3/dist-packages/twisted/_threads/_threadworker.py", line 46, in work
          File "/usr/lib/python3/dist-packages/twisted/_threads/_team.py", line 190, in doWork
        --- <exception caught here> ---
          File "/usr/lib/python3/dist-packages/twisted/python/threadpool.py", line 246, in inContext
            result = inContext.theWork()
          File "/usr/lib/python3/dist-packages/twisted/python/threadpool.py", line 262, in <lambda>
            inContext.theWork = lambda: context.call(ctx, func, *args, **kw)
          File "/usr/lib/python3/dist-packages/twisted/python/context.py", line 118, in callWithContext
            return self.currentContext().callWithContext(ctx, func, *args, **kw)
          File "/usr/lib/python3/dist-packages/twisted/python/context.py", line 81, in callWithContext
            return func(*args,**kw)
          File "/usr/lib/python3/dist-packages/provisioningserver/utils/twisted.py", line 937, in callInContext
            return func(*args, **kwargs)
          File "/usr/lib/python3/dist-packages/maasserver/utils/orm.py", line 516, in call_within_transaction
            return func_outside_txn(*args, **kwargs)
          File "/usr/lib/python3/dist-packages/maasserver/utils/orm.py", line 343, in retrier
            return func(*args, **kwargs)
          File "/usr/lib/python3.5/contextlib.py", line 30, in inner
            return func(*args, **kwds)
          File "/usr/lib/python3/dist-packages/maasserver/websockets/base.py", line 368, in create
            form = form_class(data=data)
          File "/usr/lib/python3/dist-packages/maasserver/forms_vlan.py", line 41, in __init__
            raise ValueError("Form requires either a instance or a fabric.")
        builtins.ValueError: Form requires either a instance or a fabric.

Related branches

Changed in maas:
importance: Undecided → Critical
milestone: none → 2.0.0
Changed in maas:
assignee: nobody → Blake Rouse (blake-rouse)
status: New → Triaged
Changed in maas:
status: Triaged → In Progress
Changed in maas:
status: In Progress → Fix Committed
Changed in maas:
status: Fix Committed → Fix Released
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