OpenStack: Regenerate kolla password file

OS_ENV=dev

rm /etc/kolla/passwords.yml
cp /etc/kolla/config/passwords-${OS_ENV}.yml /etc/kolla/passwords.yml

# marge new password / reorder passwords
# kolla-genpwd -p /etc/kolla/passwords.yml
# cp /etc/kolla/passwords.yml /etc/kolla/config/passwords-${OS_ENV}.yml

cat /etc/kolla/config/passwords-${OS_ENV}.yml | cut -d" " -f1 > /etc/kolla/passwords.yml
kolla-genpwd -p /etc/kolla/passwords.yml
mv /etc/kolla/passwords.yml /etc/kolla/config/passwords-${OS_ENV}.yml
ln -s /etc/kolla/config/passwords-${OS_ENV}.yml /etc/kolla/passwords.yml

Links
https://docs.openstack.org/kolla-ansible/latest/user/operating-kolla.html