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[OpenStack Infra <1874657@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/721674
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=0d290b9184a554cda7f6dc28d82401bb85cad7b3
Submitter: Zuul
Branch:    master

commit 0d290b9184a554cda7f6dc28d82401bb85cad7b3
Author: Ivan Kolodyazhny <e0ne@xxxxxxxxx>
Date:   Tue Apr 21 18:36:35 2020 +0300

    Fix django-compress caching issues
    
    django-compress doesn't work well with cache. If horizon is
    deployed in a containarized environment with pre-built static
    in images, django-compress tries to load old templates from cache.
    
    This patch introduces following changes:
    
    * update_angular_template_hash uses the correct Django cache backend now
    * fixed cache cleanup for memcached backend
    * added clean_angular_template_cache management command to clean cache
      manually without executing heavy 'compress' command.
    
    Closes-Bug: #1874657
    Change-Id: If1fd61fa2e4b36e22797b0f54ac067a2a937f369


** Changed in: horizon
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1874657

Title:
  After container upgrade Horizon crashes during login: key XXXX is
  missing from offline manifest

Status in OpenStack Dashboard (Horizon):
  Fix Released

Bug description:
  The issue is reproduced on horizon upgrade in a containerized
  environment with memcached. We've got pre-built horizon images with
  static (manage.py collectstatic && manage.py compress were executed
  during image build procedure).

  During 'manage.py compress' call django-compressor sends a signal to
  horizon. After signal is received horizon tries to clear cache for
  templates. In our case, we don't call 'manage.py compress' during
  deployment, so django-compress tries to read old data from the cache
  and fails to render a template. There are some logs: [1]

  The root cause is:


  [1] http://paste.openstack.org/show/792652/

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