Rsyslog service failed to start, post upgrading VMware Aria Suite Lifecycle from version 8.10 to 8.12

Products

• VMware Aria Suite

Issue/Introduction

To be aware of the Rsyslog service failure post upgrade

Symptoms:
Upon verifying the Rsyslog service status as health check post upgrade, below errors are found:

Below log excerpts are from internal lab:
-----------------------------------------------------
root@Testlcm [ ~ ]# systemctl status rsyslog.service
● rsyslog.service - System Logging Service
   Loaded: loaded (/lib/systemd/system/rsyslog.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Wed 2023-08-09 05:14:05 UTC; 6h ago
     Docs: man:rsyslogd(8)
           https://www.rsyslog.com/doc/
 Main PID: 1002 (code=exited, status=1/FAILURE)

Aug 09 05:14:05 Testlcm.org systemd[1]: Failed to start System Logging Service.
Aug 09 05:14:05 Testlcm.org systemd[1]: rsyslog.service: Service RestartSec=100ms expired, scheduling restart.
Aug 09 05:14:05 Testlcm.org systemd[1]: rsyslog.service: Scheduled restart job, restart counter is at 5.
Aug 09 05:14:05 Testlcm.org systemd[1]: Stopped System Logging Service.
Aug 09 05:14:05 Testlcm.org systemd[1]: rsyslog.service: Start request repeated too quickly.
Aug 09 05:14:05 Testlcm.org systemd[1]: rsyslog.service: Failed with result 'exit-code'.

Environment

VMware Aria Automation 8.12.x
VMware vRealize Suite Lifecycle Manager 8.10.x

Cause

During upgrade process, existing rsyslog configuration gets overwritten.

Resolution

This is a known issue and it will be fixed in future release. 

Workaround:
1. Restore the old configuration 
    mv /etc/rsyslog.conf.old /etc/rsyslog.conf

2. Start the service
    systemctl start rsyslog.service

Additional Information

Impact/Risks:
Rsylog service fails to start due to which upgrade to future versions will fail eventually.