Hi Kiril,
Please complete the log-collector migration.
Algorithm:
1. Read: /etc/ovirt-engine/enigne.conf[.d/*]
If there is DB_PASSWORD then take:
DB_HOST
DB_PORT
DB_USER
DB_PASSWORD
DB_DATABASE
[DB_SECURED]
2. Otherwise continue as usual (process /etc/ovirt-engine/.pgpass)
Thanks!