[Bug 1802226] Re: [SRU] refresh memcached static assets after upgrade

[Brian Murray]

Hello Xav, or anyone else affected,

Accepted horizon into cosmic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/horizon/3:14.0.1-0ubuntu1 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-cosmic to verification-done-cosmic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-cosmic. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: horizon (Ubuntu Cosmic)
       Status: Triaged => Fix Committed

** Tags added: verification-needed-cosmic

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https://bugs.launchpad.net/bugs/1802226

Title:
  [SRU] refresh memcached static assets after upgrade

Status in Ubuntu Cloud Archive:
  Triaged
Status in Ubuntu Cloud Archive queens series:
  Triaged
Status in Ubuntu Cloud Archive rocky series:
  Triaged
Status in Ubuntu Cloud Archive stein series:
  Triaged
Status in horizon package in Ubuntu:
  In Progress
Status in horizon source package in Bionic:
  Fix Committed
Status in horizon source package in Cosmic:
  Fix Committed
Status in horizon source package in Disco:
  In Progress

Bug description:
  [Impact]
  After upgrading openstack-dashboard pkg,
  Because compressed css file name has been changed, 
  UI is broken

  affected B
  UCA Q

  keep testing the other releases and will update

  flushing or restarting memcached on openstack-dashboard fixes this
  issue.

  [Test Case]
  1. deploy openstack env
  2. install old pkg (e.g 13.0.1-0ubuntu1) on openstack-dashboard node
  3. apt install openstack-dashboard(this means upgrading)
  4. check web page

  [Regression]
  This patch flushes memcached's cache when installing pkg. It makes re-creating cache again so, it will be slow at first. Basically no effect to running cloud environment.

  [Others]


  [Original Description]
  Using Queens on Xenial.  We updated the packages to the current versions:

  ~$ apt-cache policy openstack-dashboard-ubuntu-theme
  openstack-dashboard-ubuntu-theme:
    Installed: 3:13.0.1-0ubuntu3~cloud0
    Candidate: 3:13.0.1-0ubuntu3~cloud0
    Version table:
   *** 3:13.0.1-0ubuntu3~cloud0 500
          500 http://ubuntu-cloud.archive.canonical.com/ubuntu xenial-updates/queens/main amd64 Packages
          100 /var/lib/dpkg/status
       2:9.1.2-0ubuntu5 500
          500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
       2:9.0.0-0ubuntu2 500
          500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages

  Using the Ubuntu theme results in a page full of garbage, missing css.
  The browser reports the following in consoles:

  The requested URL /static/dashboard/css/6e9a9fafb1ba.css was not found
  on this server.

  If I use other themes, it seems OK, just this one.

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