MD4 - MAAS database owned by 'postgres' user is not supported

Deprecation notices
1
Since Removed
3.4.1 3.5.0

This notice is raised when MAAS PostgreSQL database is owned by incorrect user.

Use of MAAS database owned by ‘postgres’ user is deprecated in MAAS 3.4

Starting from 3.5, MAAS will require maas user to be the owner of the maasdb database.

You can change database owner with the following command:

sudo -u postgres \
    psql -c "ALTER DATABASE maasdb OWNER TO maas"