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[Bug 1681073] [NEW] Create Consistency Group form has an exception

 

Public bug reported:

Env: devstack master branch

Steps to reproduce:
1. Go to admin/volume types panel
2. Create volume type with any name
3. Go to project/Consistency Groups panel
4. Create Consistency Group and add the volume type we just created
5. Submit Create Consistency Group form

it will throws an exception.

Exception info:
Internal Server Error: /project/cgroups/create/
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 132, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/opt/stack/horizon/horizon/decorators.py", line 36, in dec
    return view_func(request, *args, **kwargs)
  File "/opt/stack/horizon/horizon/decorators.py", line 52, in dec
    return view_func(request, *args, **kwargs)
  File "/opt/stack/horizon/horizon/decorators.py", line 36, in dec
    return view_func(request, *args, **kwargs)
  File "/opt/stack/horizon/horizon/decorators.py", line 84, in dec
    return view_func(request, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py", line 71, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py", line 89, in dispatch
    return handler(request, *args, **kwargs)
  File "/opt/stack/horizon/horizon/workflows/views.py", line 199, in post
    exceptions.handle(request)
  File "/opt/stack/horizon/horizon/exceptions.py", line 352, in handle
    six.reraise(exc_type, exc_value, exc_traceback)
  File "/opt/stack/horizon/horizon/workflows/views.py", line 194, in post
    success = workflow.finalize()
  File "/opt/stack/horizon/horizon/workflows/base.py", line 824, in finalize
    if not self.handle(self.request, self.context):
  File "/opt/stack/horizon/openstack_dashboard/dashboards/project/cgroups/workflows.py", line 323, in handle
    vol_type.extra_specs['volume_backend_name']
KeyError: 'volume_backend_name'

** Affects: horizon
     Importance: Undecided
     Assignee: wei.ying (wei.yy)
         Status: New

** Changed in: horizon
     Assignee: (unassigned) => wei.ying (wei.yy)

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https://bugs.launchpad.net/bugs/1681073

Title:
  Create Consistency Group form has an exception

Status in OpenStack Dashboard (Horizon):
  New

Bug description:
  Env: devstack master branch

  Steps to reproduce:
  1. Go to admin/volume types panel
  2. Create volume type with any name
  3. Go to project/Consistency Groups panel
  4. Create Consistency Group and add the volume type we just created
  5. Submit Create Consistency Group form

  it will throws an exception.

  Exception info:
  Internal Server Error: /project/cgroups/create/
  Traceback (most recent call last):
    File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 132, in get_response
      response = wrapped_callback(request, *callback_args, **callback_kwargs)
    File "/opt/stack/horizon/horizon/decorators.py", line 36, in dec
      return view_func(request, *args, **kwargs)
    File "/opt/stack/horizon/horizon/decorators.py", line 52, in dec
      return view_func(request, *args, **kwargs)
    File "/opt/stack/horizon/horizon/decorators.py", line 36, in dec
      return view_func(request, *args, **kwargs)
    File "/opt/stack/horizon/horizon/decorators.py", line 84, in dec
      return view_func(request, *args, **kwargs)
    File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py", line 71, in view
      return self.dispatch(request, *args, **kwargs)
    File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py", line 89, in dispatch
      return handler(request, *args, **kwargs)
    File "/opt/stack/horizon/horizon/workflows/views.py", line 199, in post
      exceptions.handle(request)
    File "/opt/stack/horizon/horizon/exceptions.py", line 352, in handle
      six.reraise(exc_type, exc_value, exc_traceback)
    File "/opt/stack/horizon/horizon/workflows/views.py", line 194, in post
      success = workflow.finalize()
    File "/opt/stack/horizon/horizon/workflows/base.py", line 824, in finalize
      if not self.handle(self.request, self.context):
    File "/opt/stack/horizon/openstack_dashboard/dashboards/project/cgroups/workflows.py", line 323, in handle
      vol_type.extra_specs['volume_backend_name']
  KeyError: 'volume_backend_name'

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