Installation of openstack-dashboard fails because of command failure

[Takashi Kajinami]

We have seen that the puppet integration job with Ubuntu 22.04 and UCA Bobcat consistently fails.
Looking into the error it seems something is wrong with installation of openstack-dashboard package.

2023-12-01 07:13:16 +0000 Puppet (err): Execution of '/usr/bin/apt-get -q -y -o DPkg::Options::=--force-confold install openstack-dashboard' returned 100: Reading package lists...
Building dependency tree...
Reading state information...
The following additional packages will be installed:
  openstack-dashboard-common python3-asgiref python3-csscompressor
  python3-django python3-django-appconf python3-django-compressor
  python3-django-debreach python3-django-horizon python3-django-openstack-auth
  python3-django-pyscss python3-pint python3-pyscss python3-rcssmin
  python3-rjsmin
Suggested packages:
  bpython3 geoip-database-contrib gettext ipython3 libgdal20
  libsqlite3-mod-spatialite python-django-doc python3-flup python3-mysqldb
  python3-pil python3-selenium python3-sqlite python-django-appconf-doc
  python3-calmjs python-django-debreach-doc
The following NEW packages will be installed:
  openstack-dashboard openstack-dashboard-common python3-asgiref
  python3-csscompressor python3-django python3-django-appconf
  python3-django-compressor python3-django-debreach python3-django-horizon
  python3-django-openstack-auth python3-django-pyscss python3-pint
  python3-pyscss python3-rcssmin python3-rjsmin
0 upgraded, 15 newly installed, 0 to remove and 0 not upgraded.
Need to get 14.2 MB of archives.
After this operation, 92.3 MB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  python3-rcssmin python3-rjsmin python3-django-compressor python3-pyscss
  openstack-dashboard-common python3-django-openstack-auth
  python3-django-horizon openstack-dashboard
Authentication warning overridden.
Get:1 http://mirror.gra1.ovh.opendev.org/ubuntu-cloud-archive jammy-updates/bobcat/main amd64 python3-rcssmin amd64 1:1.1.0-2~cloud0 [17.5 kB]
Get:2 https://mirror.gra1.ovh.opendev.org/ubuntu jammy/main amd64 python3-asgiref all 3.5.0-1 [23.9 kB]
Get:3 http://mirror.gra1.ovh.opendev.org/ubuntu-cloud-archive jammy-updates/bobcat/main amd64 python3-rjsmin amd64 1.2.0+dfsg1-2build2~cloud0 [16.6 kB]
Get:4 https://mirror.gra1.ovh.opendev.org/ubuntu jammy/main amd64 python3-csscompressor all 0.9.5-2 [57.3 kB]
Get:5 http://mirror.gra1.ovh.opendev.org/ubuntu-cloud-archive jammy-updates/bobcat/main amd64 python3-django-compressor all 4.0-2ubuntu1~cloud0 [71.8 kB]
Get:6 https://mirror.gra1.ovh.opendev.org/ubuntu jammy-updates/main amd64 python3-django all 2:3.2.12-2ubuntu1.9 [3020 kB]
Get:7 http://mirror.gra1.ovh.opendev.org/ubuntu-cloud-archive jammy-updates/bobcat/main amd64 python3-pyscss amd64 1.4.0-3~cloud0 [97.9 kB]
Get:8 https://mirror.gra1.ovh.opendev.org/ubuntu jammy/main amd64 python3-django-appconf all 1.0.3-1 [7620 B]
Get:9 http://mirror.gra1.ovh.opendev.org/ubuntu-cloud-archive jammy-updates/bobcat/main amd64 openstack-dashboard-common all 4:23.3.0-0ubuntu1.1~cloud0 [27.0 kB]
Get:10 https://mirror.gra1.ovh.opendev.org/ubuntu jammy/main amd64 python3-django-debreach all 2.0.1-2 [5482 B]
Get:11 http://mirror.gra1.ovh.opendev.org/ubuntu-cloud-archive jammy-updates/bobcat/main amd64 python3-django-openstack-auth all 4:23.3.0-0ubuntu1.1~cloud0 [54.9 kB]
Get:12 https://mirror.gra1.ovh.opendev.org/ubuntu jammy/main amd64 python3-django-pyscss all 2.0.2-10 [9320 B]
Get:13 http://mirror.gra1.ovh.opendev.org/ubuntu-cloud-archive jammy-updates/bobcat/main amd64 python3-django-horizon all 4:23.3.0-0ubuntu1.1~cloud0 [10.6 MB]
Get:14 https://mirror.gra1.ovh.opendev.org/ubuntu jammy/main amd64 python3-pint all 0.18-1 [156 kB]
Get:15 http://mirror.gra1.ovh.opendev.org/ubuntu-cloud-archive jammy-updates/bobcat/main amd64 openstack-dashboard all 4:23.3.0-0ubuntu1.1~cloud0 [20.2 kB]
debconf: delaying package configuration, since apt-utils is not installed
Fetched 14.2 MB in 7s (2004 kB/s)
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(Reading database ... 87302 files and directories currently installed.)
Preparing to unpack .../00-python3-asgiref_3.5.0-1_all.deb ...
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Selecting previously unselected package python3-csscompressor.
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Unpacking python3-csscompressor (0.9.5-2) ...
Selecting previously unselected package python3-django.
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Unpacking python3-django (2:3.2.12-2ubuntu1.9) ...
Selecting previously unselected package python3-django-appconf.
Preparing to unpack .../03-python3-django-appconf_1.0.3-1_all.deb ...
Unpacking python3-django-appconf (1.0.3-1) ...
Selecting previously unselected package python3-rcssmin.
Preparing to unpack .../04-python3-rcssmin_1%3a1.1.0-2~cloud0_amd64.deb ...
Unpacking python3-rcssmin (1:1.1.0-2~cloud0) ...
Selecting previously unselected package python3-rjsmin.
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Unpacking python3-rjsmin (1.2.0+dfsg1-2build2~cloud0) ...
Selecting previously unselected package python3-django-compressor.
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Selecting previously unselected package python3-django-debreach.
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Unpacking python3-django-debreach (2.0.1-2) ...
Selecting previously unselected package python3-pyscss.
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Unpacking python3-pyscss (1.4.0-3~cloud0) ...
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Selecting previously unselected package python3-pint.
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Unpacking python3-pint (0.18-1) ...
Selecting previously unselected package openstack-dashboard-common.
Preparing to unpack .../11-openstack-dashboard-common_4%3a23.3.0-0ubuntu1.1~cloud0_all.deb ...
Unpacking openstack-dashboard-common (4:23.3.0-0ubuntu1.1~cloud0) ...
Selecting previously unselected package python3-django-openstack-auth.
Preparing to unpack .../12-python3-django-openstack-auth_4%3a23.3.0-0ubuntu1.1~cloud0_all.deb ...
Unpacking python3-django-openstack-auth (4:23.3.0-0ubuntu1.1~cloud0) ...
Selecting previously unselected package python3-django-horizon.
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Unpacking python3-django-horizon (4:23.3.0-0ubuntu1.1~cloud0) ...
Selecting previously unselected package openstack-dashboard.
Preparing to unpack .../14-openstack-dashboard_4%3a23.3.0-0ubuntu1.1~cloud0_all.deb ...
Unpacking openstack-dashboard (4:23.3.0-0ubuntu1.1~cloud0) ...
Setting up python3-rjsmin (1.2.0+dfsg1-2build2~cloud0) ...
Setting up python3-pyscss (1.4.0-3~cloud0) ...
Setting up python3-rcssmin (1:1.1.0-2~cloud0) ...
Setting up python3-csscompressor (0.9.5-2) ...
Setting up python3-pint (0.18-1) ...
Setting up openstack-dashboard-common (4:23.3.0-0ubuntu1.1~cloud0) ...
Setting up python3-asgiref (3.5.0-1) ...
Setting up python3-django (2:3.2.12-2ubuntu1.9) ...
Setting up python3-django-appconf (1.0.3-1) ...
Setting up python3-django-debreach (2.0.1-2) ...
Setting up python3-django-compressor (4.0-2ubuntu1~cloud0) ...
Setting up python3-django-pyscss (2.0.2-10) ...
Setting up python3-django-openstack-auth (4:23.3.0-0ubuntu1.1~cloud0) ...
Setting up python3-django-horizon (4:23.3.0-0ubuntu1.1~cloud0) ...
update-alternatives: using /usr/lib/python3/dist-packages/openstack_dashboard to provide /usr/share/openstack-dashboard/openstack_dashboard (openstack_dashboard) in auto mode
Setting up openstack-dashboard (4:23.3.0-0ubuntu1.1~cloud0) ...
Adding system user `horizon' (UID 133) ...
Adding new user `horizon' (UID 133) with group `horizon' ...
Not creating home directory `/var/lib/openstack-dashboard'.
Collecting and compressing static assets...
CommandError: An error occurred during rendering serial_console.html: Syntax error: Found 'inline-blo' but expected one of ADD, ALPHA_FUNCTION, BANG_IMPORTANT, BAREWORD, COLOR, DOUBLE_QUOTE, FNCT, IF_FUNCTION, INTERP_START, LITERAL_FUNCTION, LPAR, NOT, NUM, SIGN, SINGLE_QUOTE, URL_FUNCTION, VAR
dpkg: error processing package openstack-dashboard (--configure):
 installed openstack-dashboard package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 openstack-dashboard
E: Sub-process /usr/bin/dpkg returned an error code (1)
...