Home OpenStack-Ansible Installation Guide
Configure credentials for each service in the /etc/openstack_deploy/*_secrets.yml files. Consider using Ansible Vault to increase security by encrypting any files containing credentials.
Adjust permissions on these files to restrict access by non-privileged users.
Note that the following options configure passwords for the web interfaces:
Recommended: Use the pw-token-gen.py script to generate random values for the variables in each file that contains service credentials:
# cd /opt/openstack-ansible/scripts
# python pw-token-gen.py --file /etc/openstack_deploy/user_secrets.yml
To regenerate existing passwords, add the --regen flag.