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[Corey Bryant <corey.bryant@xxxxxxxxxxxxx>]

This bug was fixed in the package horizon - 3:11.0.4-0ubuntu1~cloud1
---------------

 horizon (3:11.0.4-0ubuntu1~cloud1) xenial-ocata; urgency=medium
 .
   * Fix create consistency group form exception (LP: #1681073)
     - d/p/fix_create_consistency_group_form_exception.patch


** Changed in: cloud-archive/ocata
       Status: Fix Committed => Fix Released

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

Title:
  Create Consistency Group form has an exception

Status in Ubuntu Cloud Archive:
  Fix Released
Status in Ubuntu Cloud Archive mitaka series:
  Fix Committed
Status in Ubuntu Cloud Archive newton series:
  Fix Released
Status in Ubuntu Cloud Archive ocata series:
  Fix Released
Status in OpenStack Dashboard (Horizon):
  Fix Released
Status in horizon package in Ubuntu:
  Fix Released
Status in horizon source package in Xenial:
  Fix Released

Bug description:
  [Impact]

  Affected
  - UCA Mitaka, Ocata
  - Xenial, Zesty ( Artful is incidentlly added, please ignore it) 

  After enabling consistency groups by changing api-paste.ini,

  When trying to create consistency group, there are error like below.

  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'

  [Test case]

  juju deploy bundle

  (this is same as original description)
  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

  [Regression Potential]
  This changes horizon UI, and need to restart apache2 server. There could be very short outage for openstack dashboard. but this seems not critical to openstack service. and if there is code error, django server can't be started and outage time could be longer than above.

  [Others]

  upstream commit
  https://git.openstack.org/cgit/openstack/horizon/commit/?id=89bb9268204a2316fc526d660f38d5517980f209

  [Original 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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