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[Launchpad Bug Tracker <1940834@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package horizon - 4:20.1.1-0ubuntu2

---------------
horizon (4:20.1.1-0ubuntu2) impish; urgency=medium

  * d/p/0001-Fix-for-Resize-instance-button.patch: Fixes resize instance
    widget (LP: #1940834).

 -- Hemanth Nakkina <hemanth.nakkina@xxxxxxxxxxxxx>  Thu, 24 Mar 2022
09:58:48 +0530

** Changed in: horizon (Ubuntu Impish)
       Status: Fix Committed => Fix Released

** Changed in: horizon (Ubuntu Focal)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1940834

Title:
  Horizon not show flavor details in instance and resize is not possible
  - Flavor ID is not supported by nova

Status in Ubuntu Cloud Archive:
  Fix Released
Status in Ubuntu Cloud Archive ussuri series:
  Fix Committed
Status in Ubuntu Cloud Archive victoria series:
  Fix Released
Status in Ubuntu Cloud Archive wallaby series:
  Triaged
Status in Ubuntu Cloud Archive xena series:
  Triaged
Status in OpenStack Dashboard (Horizon):
  Fix Released
Status in horizon package in Ubuntu:
  Fix Released
Status in horizon source package in Focal:
  Fix Released
Status in horizon source package in Impish:
  Fix Released

Bug description:
  In horizon on Wallaby and Victoria release, there are some view and
  function which are using ID value from Instance's Flavor part of JSON.
  The main issue is when you want to resize instance, you are receiving
  output below. The issue is also on Instance detail is specs, where
  Flavor is Not available. But on all instances view, this is working
  fine and base on detail of instance object and it's details, it looks
  like this view is using different methods based on older API.

  We are running Wallaby dashboard with openstack-helm project with nova-api 2.88
  Nova version:
  {"versions": [{"id": "v2.0", "status": "SUPPORTED", "version": "", "min_version": "", "updated": "2011-01-21T11:33:21Z", "links": [{"rel": "self", "href": "http://nova.openstack.svc.cluster.local/v2/"}]}, {"id": "v2.1", "status": "CURRENT", "version": "2.88", "min_version": "2.1", "updated": "2013-07-23T11:33:21Z", "links": [{"rel": "self", "href": "http://nova.openstack.svc.cluster.local/v2.1/"}]}]})

  For example for resize initialization the log output is:

  2021-08-23 12:20:30.308473 Internal Server Error: /project/instances/a872bcc6-0a56-413a-9bea-b27dc006c707/resize
  2021-08-23 12:20:30.308500 Traceback (most recent call last):
  2021-08-23 12:20:30.308503   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/utils/memoized.py", line 107, in wrapped
  2021-08-23 12:20:30.308505     value = cache[key] = cache.pop(key)
  2021-08-23 12:20:30.308507 KeyError: ((<weakref at 0x7fba91b35228; to 'ResizeView' at 0x7fba91b407b8>,), ())
  2021-08-23 12:20:30.308509
  2021-08-23 12:20:30.308512 During handling of the above exception, another exception occurred:
  2021-08-23 12:20:30.308513
  2021-08-23 12:20:30.308515 Traceback (most recent call last):
  2021-08-23 12:20:30.308517   File "/var/lib/openstack/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
  2021-08-23 12:20:30.308519     response = get_response(request)
  2021-08-23 12:20:30.308521   File "/var/lib/openstack/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response
  2021-08-23 12:20:30.308523     response = self.process_exception_by_middleware(e, request)
  2021-08-23 12:20:30.308525   File "/var/lib/openstack/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response
  2021-08-23 12:20:30.308527     response = wrapped_callback(request, *callback_args, **callback_kwargs)
  2021-08-23 12:20:30.308529   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/decorators.py", line 52, in dec
  2021-08-23 12:20:30.308531     return view_func(request, *args, **kwargs)
  2021-08-23 12:20:30.308533   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/decorators.py", line 36, in dec
  2021-08-23 12:20:30.308534     return view_func(request, *args, **kwargs)
  2021-08-23 12:20:30.308536   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/decorators.py", line 36, in dec
  2021-08-23 12:20:30.308538     return view_func(request, *args, **kwargs)
  2021-08-23 12:20:30.308540   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/decorators.py", line 112, in dec
  2021-08-23 12:20:30.308542     return view_func(request, *args, **kwargs)
  2021-08-23 12:20:30.308543   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/decorators.py", line 84, in dec
  2021-08-23 12:20:30.308545     return view_func(request, *args, **kwargs)
  2021-08-23 12:20:30.308547   File "/var/lib/openstack/lib/python3.6/site-packages/django/views/generic/base.py", line 71, in view
  2021-08-23 12:20:30.308549     return self.dispatch(request, *args, **kwargs)
  2021-08-23 12:20:30.308551   File "/var/lib/openstack/lib/python3.6/site-packages/django/views/generic/base.py", line 97, in dispatch
  2021-08-23 12:20:30.308553     return handler(request, *args, **kwargs)
  2021-08-23 12:20:30.308554   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/workflows/views.py", line 153, in get
  2021-08-23 12:20:30.308556     context = self.get_context_data(**kwargs)
  2021-08-23 12:20:30.308559   File "/var/lib/openstack/lib/python3.6/site-packages/openstack_dashboard/dashboards/project/instances/views.py", line 597, in get_context_data
  2021-08-23 12:20:30.308561     context = super().get_context_data(**kwargs)
  2021-08-23 12:20:30.308563   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/workflows/views.py", line 91, in get_context_data
  2021-08-23 12:20:30.308565     workflow = self.get_workflow()
  2021-08-23 12:20:30.308567   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/workflows/views.py", line 77, in get_workflow
  2021-08-23 12:20:30.308570     extra_context = self.get_initial()
  2021-08-23 12:20:30.308571   File "/var/lib/openstack/lib/python3.6/site-packages/openstack_dashboard/dashboards/project/instances/views.py", line 638, in get_initial
  2021-08-23 12:20:30.308573     _object = self.get_object()
  2021-08-23 12:20:30.308575   File "/var/lib/openstack/lib/python3.6/site-packages/horizon/utils/memoized.py", line 109, in wrapped
  2021-08-23 12:20:30.308577     value = cache[key] = func(*args, **kwargs)
  2021-08-23 12:20:30.308578   File "/var/lib/openstack/lib/python3.6/site-packages/openstack_dashboard/dashboards/project/instances/views.py", line 610, in get_object
  2021-08-23 12:20:30.308583     flavor_id = instance.flavor['id']
  2021-08-23 12:20:30.308586 KeyError: 'id'

  For older version e.g. by this command:
  curl -s   -H "X-Auth-Token: $OS_TOKEN" -H "X-OpenStack-Nova-API-Version: 2.46"  "http://nova-api:8774/v2.1/servers/{some server ID}" | python -mjson.tool

          "flavor": {
              "id": "2",
              "links": [
                  {
                      "href": "http://xxx.xxx.xxx.xxx:30774/flavors/2";,
                      "rel": "bookmark"
                  }
              ]
          }

  For current and >=2.47
  curl -s   -H "X-Auth-Token: $OS_TOKEN" -H "X-OpenStack-Nova-API-Version: 2.46"  "http://nova-api:8774/v2.1/servers/{some server ID}" | python -mjson.tool

          "flavor": {
              "disk": 20,
              "ephemeral": 0,
              "extra_specs": {},
              "original_name": "m1.small",
              "ram": 2048,
              "swap": 0,
              "vcpus": 1
          }

  This change in Nova is described:
  https://specs.openstack.org/openstack/nova-specs/specs/pike/implemented/instance-flavor-api.html

  Steps for reproduce:
  1) init resize on Wallaby release with nova-api larger then 2.47

  We are running the Horizon based on e.g. openstackhelm/horizon:wallaby-ubuntu_focal-20210823
  with these versions:
  python-cinderclient==7.4.0
  python-dateutil==2.8.1
  python-glanceclient==3.3.0
  python-heatclient==2.3.0
  python-keystoneclient==4.2.0
  python-memcached==1.59
  python-neutronclient==7.3.0
  python-novaclient==17.4.0
  python-swiftclient==3.11.1
  openstacksdk==0.55.0

  
  **************************************************************
  SRU Information:

  == Begin SRU Template ==
  [Impact]
  Not possible to resize an instance from OpenStack dashbaord.

  [Test Case]

  1. Login to OpenStack dashboard
  2. Click on Project -> Compute -> Instances
  3. Select an instance and click on "Resize Instance" in Actions column.
     A popup should appear asking for New Flavor.

  [Regression Potential]
  In order to mitigate the regression potential, selenium tests are added as
  part of patch which tests different Nova API versions.

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