[Bug 1815948] Re: [SRU] Upgrade from queens py2 -> rocky py2 packages breaks /usr/share/openstack-dashboard/openstack_dashboard
Łukasz Zemczak
1815948 at bugs.launchpad.net
Thu Mar 7 10:00:00 UTC 2019
Thank you for the verification! The heat-dashboard/armhf autopkgtest
seems to be failing for this upload, but checking the logs this seems to
be a testbed timeout already seen previously. I will be ignoring this
failure temporarily.
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https://bugs.launchpad.net/bugs/1815948
Title:
[SRU] Upgrade from queens py2 -> rocky py2 packages breaks /usr/share
/openstack-dashboard/openstack_dashboard
Status in OpenStack openstack-dashboard charm:
Invalid
Status in Ubuntu Cloud Archive:
Invalid
Status in Ubuntu Cloud Archive rocky series:
Fix Committed
Status in horizon package in Ubuntu:
Invalid
Status in horizon source package in Cosmic:
Fix Released
Bug description:
[Impact]
After upgrading from queens->rocky with the openstack charms, /usr/share/openstack-dashboard/openstack_dashboard is missing files because it is not a symlink (alternative) to /usr/lib/python3/dist-packages/openstack_dashboard.
Note that the openstack charms are using py2 packages in queens and
py3 packages in rocky. The upgrade process of the packages goes:
(1) py2queens -> (2) py2rocky -> (3) py3rocky
Bad state after upgrade: https://paste.ubuntu.com/p/3GnMTVfZDk/
Also worth noting that the queens packages did not use alternatives
for /usr/share/openstack-dashboard/openstack_dashboard. In that
version of the package the files are copied into /usr/share/openstack-
dashboard/openstack_dashboard during the package build so there are no
symlinks/alternatives involved.
Looking closer during the upgrade..
After step (1) we have:
$ update-alternatives --display openstack_dashboard
juju-45afee-coreycb2-31: Thu Feb 14 19:03:22 2019
update-alternatives: error: no alternatives for openstack_dashboard
$ ls -al /usr/share/openstack-dashboard/
total 56
drwxr-xr-x 3 root root 4096 Feb 14 18:57 .
drwxr-xr-x 127 root root 4096 Feb 14 18:56 ..
lrwxrwxrwx 1 root root 41 Nov 27 19:22 horizon -> ../../lib/python2.7/dist-packages/horizon
-rwxr-xr-x 1 root root 879 Nov 27 19:22 manage.py
-rw-r--r-- 1 root root 508 Feb 14 18:57 manage.pyc
drwxr-xr-x 19 root root 4096 Feb 14 18:57 openstack_dashboard
-rw-r--r-- 1 root root 16748 Nov 27 19:22 settings.py
-rw-r--r-- 1 root root 14252 Feb 14 18:57 settings.pyc
$ ls -al /usr/share/openstack-dashboard/openstack_dashboard/
total 228
drwxr-xr-x 19 root root 4096 Feb 14 18:57 .
drwxr-xr-x 3 root root 4096 Feb 14 18:57 ..
-rw-r--r-- 1 root root 204 May 8 2018 .eslintrc
-rw-r--r-- 1 root root 0 May 8 2018 __init__.py
-rw-r--r-- 1 root root 149 Feb 14 18:57 __init__.pyc
drwxr-xr-x 3 root root 4096 Feb 14 18:57 api
drwxr-xr-x 4 root root 4096 Feb 14 19:01 conf
-rw-r--r-- 1 root root 4471 May 8 2018 context_processors.py
-rw-r--r-- 1 root root 3388 Feb 14 18:57 context_processors.pyc
drwxr-xr-x 3 root root 4096 Feb 14 18:57 contrib
drwxr-xr-x 6 root root 4096 Feb 14 18:57 dashboards
drwxr-xr-x 2 root root 4096 Feb 14 18:57 django_pyscss_fix
drwxr-xr-x 2 root root 12288 Feb 14 19:01 enabled
-rw-r--r-- 1 root root 2084 May 8 2018 exceptions.py
-rw-r--r-- 1 root root 927 Feb 14 18:57 exceptions.pyc
-rw-r--r-- 1 root root 1063 May 8 2018 hooks.py
-rw-r--r-- 1 root root 556 Feb 14 18:57 hooks.pyc
-rw-r--r-- 1 root root 6794 May 8 2018 karma.conf.js
drwxr-xr-x 4 root root 4096 Feb 14 18:57 local
drwxr-xr-x 36 root root 4096 Feb 14 18:56 locale
drwxr-xr-x 3 root root 4096 Feb 14 18:57 management
-rw-r--r-- 1 root root 2171 May 8 2018 policy.py
-rw-r--r-- 1 root root 2034 Feb 14 18:57 policy.pyc
-rw-r--r-- 1 root root 16748 Nov 27 19:22 settings.py
-rw-r--r-- 1 root root 16675 Nov 27 19:22 settings.py.orig
-rw-r--r-- 1 root root 14292 Feb 14 18:57 settings.pyc
drwxr-xr-x 7 root root 4096 Feb 14 18:56 static
drwxr-xr-x 7 root root 4096 Feb 14 18:56 templates
drwxr-xr-x 2 root root 4096 Feb 14 18:57 templatetags
drwxr-xr-x 11 root root 4096 Feb 14 18:57 test
-rw-r--r-- 1 root root 4135 May 8 2018 theme_settings.py
-rw-r--r-- 1 root root 2130 Feb 14 18:57 theme_settings.pyc
drwxr-xr-x 5 root root 4096 Feb 14 18:56 themes
-rw-r--r-- 1 root root 2335 May 8 2018 urls.py
-rw-r--r-- 1 root root 1617 Feb 14 18:57 urls.pyc
drwxr-xr-x 2 root root 4096 Feb 14 18:57 usage
drwxr-xr-x 2 root root 4096 Feb 14 18:57 utils
-rw-r--r-- 1 root root 4597 May 8 2018 views.py
-rw-r--r-- 1 root root 4430 Feb 14 18:57 views.pyc
drwxr-xr-x 2 root root 4096 Feb 14 18:56 wsgi
$ apt policy python-django-horizon
python-django-horizon:
Installed: 3:13.0.1-0ubuntu4
Candidate: 3:13.0.1-0ubuntu4
Version table:
*** 3:13.0.1-0ubuntu4 500
500 http://nova.clouds.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
100 /var/lib/dpkg/status
At step (2) we have:
$ apt policy python-django-horizon
python-django-horizon:
Installed: 3:14.0.1-0ubuntu1~cloud0
Candidate: 3:14.0.1-0ubuntu1~cloud0
Version table:
*** 3:14.0.1-0ubuntu1~cloud0 500
500 http://ubuntu-cloud.archive.canonical.com/ubuntu bionic-updates/rocky/main amd64 Packages
100 /var/lib/dpkg/status
$ update-alternatives --display openstack_dashboard
openstack_dashboard - auto mode
link best version is /usr/lib/python2.7/dist-packages/openstack_dashboard
link currently points to /usr/lib/python2.7/dist-packages/openstack_dashboard
link openstack_dashboard is /usr/share/openstack-dashboard/openstack_dashboard
/usr/lib/python2.7/dist-packages/openstack_dashboard - priority 300
$ ls -al /usr/share/openstack-dashboard/
total 36
drwxr-xr-x 4 root root 4096 Feb 14 19:06 .
drwxr-xr-x 127 root root 4096 Feb 14 18:56 ..
drwxr-xr-x 3 root root 4096 Feb 14 19:06 bin
-rwxr-xr-x 1 root root 881 Dec 5 16:45 manage.py
drwxr-xr-x 4 root root 4096 Feb 14 19:06 openstack_dashboard
-rw-r--r-- 1 root root 15713 Dec 5 16:45 settings.py
$ ls -al /usr/share/openstack-dashboard/openstack_dashboard/
total 24
drwxr-xr-x 4 root root 4096 Feb 14 19:06 .
drwxr-xr-x 4 root root 4096 Feb 14 19:06 ..
drwxr-xr-x 2 root root 4096 Feb 14 19:06 conf
drwxr-xr-x 2 root root 12288 Feb 14 19:06 enabled
And after step (3) we have:
$ update-alternatives --display openstack_dashboard
openstack_dashboard - auto mode
link best version is /usr/lib/python3/dist-packages/openstack_dashboard
link currently points to /usr/lib/python3/dist-packages/openstack_dashboard
link openstack_dashboard is /usr/share/openstack-dashboard/openstack_dashboard
/usr/lib/python3/dist-packages/openstack_dashboard - priority 200
$ ls -al /usr/share/openstack-dashboard
total 36
drwxr-xr-x 4 root root 4096 Feb 14 18:28 .
drwxr-xr-x 127 root root 4096 Feb 14 17:29 ..
drwxr-xr-x 3 root root 4096 Feb 14 18:28 bin
-rwxr-xr-x 1 root root 881 Dec 5 16:45 manage.py
drwxr-xr-x 4 root root 4096 Feb 14 18:28 openstack_dashboard
-rw-r--r-- 1 root root 15713 Dec 5 16:45 settings.py
$ ls -al /usr/share/openstack-dashboard/openstack_dashboard/
total 24
drwxr-xr-x 4 root root 4096 Feb 14 18:28 .
drwxr-xr-x 4 root root 4096 Feb 14 18:28 ..
drwxr-xr-x 2 root root 4096 Feb 14 18:28 conf
drwxr-xr-x 2 root root 12288 Feb 14 18:28 enabled
[Test Case]
Deploy bionic-queens openstack-dashboard with openstack charms and upgrade to bionic-rocky.
Ensure dashboard is functional after upgrade. /usr/share/openstack-dashboard/ should look like:
ubuntu at juju-cc544d-coreycb2-24:~$ ls -l /usr/share/openstack-dashboard/
total 24
drwxr-xr-x 3 root root 4096 Feb 20 19:17 bin
-rwxr-xr-x 1 root root 881 Feb 20 18:46 manage.py
lrwxrwxrwx 1 root root 37 Feb 20 19:17 openstack_dashboard -> /etc/alternatives/openstack_dashboard
-rw-r--r-- 1 root root 15713 Feb 20 18:46 settings.py
[Regression Potential]
Low. This fix is limited to the rocky preinst script only. Rocky is the first release to use alternatives (symlinks) for /usr/share/openstack-dashboard/openstack_dashboard/. Prior to Rocky, the required files were copied into /usr/share/openstack-dashboard/openstack_dashboard/.
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