TLJH Installer --showprogress-page param does not work

[gs-scooter]

Bug description

Customizing TLJH installer command line with the documented --showprogress-page parameter is not supported.

Expected behaviour

The installer command is executed successfully and the progress page appears on the hub UI.

Actual behaviour

Following is the output log:

[  115.151555] cloud-init[1929]: Running TLJH installer...
[  115.431584] cloud-init[1929]: usage: installer.py [-h] [--admin [ADMIN [ADMIN ...]]]
[  115.433164] cloud-init[1929]:                     [--user-requirements-txt-url USER_REQUIREMENTS_TXT_URL]
[  115.434901] cloud-init[1929]:                     [--plugin [PLUGIN [PLUGIN ...]]]
[  115.434972] cloud-init[1929]:                     [--progress-page-server-pid PROGRESS_PAGE_SERVER_PID]
[  115.435016] cloud-init[1929]: installer.py: error: unrecognized arguments: --showprogress-page
[  115.477198] cloud-init[1929]: Cloud-init v. 22.2-0ubuntu1~18.04.1 running 'modules:final' at Fri, 19 Aug 2022 19:58:47 +0000. Up 28.97 seconds.
[  115.478538] cloud-init[1929]: 2022-08-19 20:00:15,227 - cc_scripts_user.py[WARNING]: Failed to run module scripts-user (scripts in /var/lib/cloud/instance/scripts)
[  115.482540] cloud-init[1929]: 2022-08-19 20:00:15,232 - util.py[WARNING]: Running module scripts-user (<module 'cloudinit.config.cc_scripts_user' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_scripts_user.py'>) failed

How to reproduce

Create an AWS cloud formation template that has the command line as part of the UserData section of launching a new instance.

Your personal set up

• OS: Ubuntu 18.04 AMI on AWS
• Version(s): Attempting to install latest TLJH

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[luong-komorebi]

because the right argument would be --show-progress-page instead of --showprogress-page