We recently rebuilt cloudvirt1022 and wiped out existing backups; on a new pass (either the first or the second pass after the drive was cleared up) this alert fired.
Mar 15 18:18:53 cloudvirt1022 wmcs-backup[599040]: [37B blob data] Mar 15 18:18:53 cloudvirt1022 wmcs-backup[567639]: INFO:[2022-03-15 18:18:53,986] Cleaning up expired backups for VM tools.tools-puppetmaster-02(e4a34e65-c079-4942-a306-6e13cc2a226> Mar 15 18:18:53 cloudvirt1022 wmcs-backup[567639]: INFO:[2022-03-15 18:18:53,986] Cleaned up 0 expired backups for VM tools.tools-puppetmaster-02(e4a34e65-c079-4942-a306-6e13cc2a22> Mar 15 18:18:53 cloudvirt1022 wmcs-backup[567639]: INFO:[2022-03-15 18:18:53,987] Creating backup for vm tools.tools-prometheus-03(b24e29d7-a468-4882-9652-9863c8acfb88) Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: WARNING:[2022-03-15 18:18:54,076] Got an error trying to backup tools-prometheus-03, try n#0 of 3: 'VMBackup' object has no attri> Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: INFO:[2022-03-15 18:18:54,076] Creating backup for vm tools.tools-prometheus-03(b24e29d7-a468-4882-9652-9863c8acfb88) Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: WARNING:[2022-03-15 18:18:54,158] Got an error trying to backup tools-prometheus-03, try n#1 of 3: 'VMBackup' object has no attri> Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: INFO:[2022-03-15 18:18:54,158] Creating backup for vm tools.tools-prometheus-03(b24e29d7-a468-4882-9652-9863c8acfb88) Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: WARNING:[2022-03-15 18:18:54,238] Got an error trying to backup tools-prometheus-03, try n#2 of 3: 'VMBackup' object has no attri> Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: Traceback (most recent call last): Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: File "/usr/local/sbin/wmcs-backup", line 2037, in <module> Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: args.func() Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: File "/usr/local/sbin/wmcs-backup", line 1870, in <lambda> Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: func=lambda: get_current_instances_state( Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: File "/usr/local/sbin/wmcs-backup", line 1313, in backup_assigned_vms Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: self.create_vm_backup( Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: File "/usr/local/sbin/wmcs-backup", line 1118, in create_vm_backup Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: new_backup = self.projects_backups[project_name].create_vm_backup( Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: File "/usr/local/sbin/wmcs-backup", line 1028, in create_vm_backup Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: new_backup = self.vms_backups[vm_id].create_next_backup(noop=noop) Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: File "/usr/local/sbin/wmcs-backup", line 690, in create_next_backup Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: and not last_backup_with_snapshot.valid Mar 15 18:18:54 cloudvirt1022 wmcs-backup[567639]: AttributeError: 'VMBackup' object has no attribute 'valid' Mar 15 18:18:54 cloudvirt1022 systemd[1]: backup_vms.service: Main process exited, code=exited, status=1/FAILURE Mar 15 18:18:54 cloudvirt1022 systemd[1]: backup_vms.service: Failed with result 'exit-code'.