Warnings Observed During Migrations to Rocky 9.4 Hosts

Problem

While performing migrations from CentOS to Rocky 9.4 hosts, the following warnings were observed;

Osstackhost logs
    
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2024-10-31 17:11:24.881 WARNING nova.virt.osinfo [req-cd30e6ba-2cca-4509-a69d-ed99470735e5 virtadmin VirtTeam] Cannot find OS information - Reason: (No configuration information found for operating system centos): nova.exception.OsInfoNotFound: No configuration information found for operating system centos 2024-10-31 17:11:24.547 WARNING nova.virt.osinfo [req-17b3c7ff-74e8-40ba-a6a1-fc99e8f99050 virtadmin VirtTeam] Cannot find OS information - Reason: (No configuration information found for operating system alma): nova.exception.OsInfoNotFound: No configuration information found for operating system alma
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Environment

Platform9 Managed OpenStack - v5.10 and Higher
Rocky 9.4

Answer

If the os_distro metadata property of the image is set, then it attempts to retrieve the information of that OS which is set in the os_distro and as the OsInfonot available, it will generate the above mentioned warnings. This is a harmless warning and can be safely ignored.
Example to verify the same;

Terminal
    
 
# openstack image show 249e0bf0-xxxxx-xxxxx-f71832642d98 -c name -c id -c properties -c status -c visibility --fit  ```properties | ReadyToPublish='False', app='alma8AIT', base_image_ref='178b3236-98cb-489d-b8e5-d33b5e40371c', boot_roles='reader,_member_', env='test', image_automation_report='xxxx', image_expiration_date='11142024', image_location='snapshot', image_state='available', image_type='snapshot',                                  ||            | instance_uuid='caba3ab2-xxx-xxxx-x1d618bec2ef', isMaster='true', locations='[{u'url': u'file:///mnt/nfs/imagelibrary/glance/249e0b-xxxxx-xxxxx1832642d98', u'metadata': {}}]', os_distro='alma',   <<---- This parameter             |
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