[Bug 1778771] Re: Backups panel is visible even if enable_backup is False

[Corey Bryant]

** Also affects: cloud-archive/queens
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/rocky
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1778771

Title:
  Backups panel is visible even if enable_backup is False

Status in OpenStack openstack-dashboard charm:
  In Progress
Status in Ubuntu Cloud Archive:
  New
Status in Ubuntu Cloud Archive queens series:
  New
Status in Ubuntu Cloud Archive rocky series:
  New
Status in OpenStack Dashboard (Horizon):
  Fix Released

Bug description:
  Hi,

  Volumes - Backup panel is visible even if OPENSTACK_CINDER_FEATURES =
  {'enable_backup': False} in local_settings.py

  Meanwhile setting enable_backup to false removes an option to create
  backup of a volume in the volume drop-down options. But panel with
  backups itself stays visible for both admins and users.

  As a work-around I use the following customization script:
  import horizon
  from django.conf import settings
  if not getattr(settings, 'OPENSTACK_CINDER_FEATURES', {}).get('enable_backup', False):
      project = horizon.get_dashboard("project")
      backup = project.get_panel("backups")
      project.unregister(backup.__class__)

  And for permanent fix I see the following decision. In openstack_dashboard/dashboards/project/backups/panel.py make the following changes:
  ...
  +L16: from django.conf import settings
  ...
  +L21:     if not getattr(settings, 'OPENSTACK_CINDER_FEATURES', {}).get('enable_backup', False):
  +L22:         return False
  ...

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