emerge dev-db/postgresql --quiet
emerge --config dev-db/postgresql:10
su - postgres -c 'createuser -d -r bareos'
echo "# TYPE  DATABASE        USER            ADDRESS                 METHOD
host    bareos          bareos          172.16.5.2/32           trust" >> /etc/postgresql-10/pg_hba.conf
/etc/init.d/postgresql-10 start
rc-update add postgresql-10 default