After upgrade system name was no longer displayed after ssh into controller

[Lucas Borges]

System Config
Distributed Cloud

Description of failure
After upgrade system name was no longer displayed after ssh into central controller.

Issue intermittent (Frequency of occurrence) or 100% Reproducible?
This issue was observed on multiple sites, where the system name was displayed before upgrade

Steps to Reproduce OR Events leading up to failure
Upgrade the system

Ssh into central controller

Impact of Failure
Minor

Before Upgrade
/etc/motd.d/00-header:

WARNING: Unauthorized access to this system is forbidden and will be
prosecuted by law. By accessing this system, you agree that your
actions may be monitored if unauthorized usage is suspected.

/etc/motd.d/10-system:

====================================================================
SYSTEM: systemname
====================================================================

controller-0:~$

After Upgrade
/etc/motd.d/00-header:

WARNING: Unauthorized access to this system is forbidden and will be
prosecuted by law. By accessing this system, you agree that your
actions may be monitored if unauthorized usage is suspected.

controller-0:~$
controller-0:~$ source /etc/platform/openrc
[sysadmin@controller-0 ~(keystone_admin)]$

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/starlingx/config/+/868434

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/starlingx/config/+/869101

[OpenStack Infra (hudson-openstack)]

Change abandoned by "Lucas Borges <email address hidden>" on branch: master
Review: https://review.opendev.org/c/starlingx/config/+/869101
Reason: duplicate

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/starlingx/config/+/868434
Committed: https://opendev.org/starlingx/config/commit/cf00bde069d9146dec0f02844d969192f33d1e23
Submitter: "Zuul (22348)"
Branch: master

commit cf00bde069d9146dec0f02844d969192f33d1e23
Author: Lucas Borges <email address hidden>
Date: Thu Dec 22 16:57:22 2022 -0300

    Script to update sysinv/motd in upgrade

    After upgrade, the system name was no longer
    displayed in motd after ssh into central controller.

    Test plan
      PASS: Simplex upgrade to Debian successfully
            and verify that system name displays
            correctly when logging in via ssh
      PASS: Duplex upgrade to Debian successfully
            and verify that system name displays
            correctly when logging in via ssh
      PASS: Test script in DC subcloud upgrade successfully

    Closes-bug: 2000329
    Signed-off-by: Lucas Borges <email address hidden>
    Change-Id: I9c7e7bb8ded0c7da9b169d304ecebd58d3d2fedc