Add User to MySQL Docker Container

    - name: Ensure MySQL user exists
      command: docker exec {{ db_name }} bash -l -c mysql -uroot -p{{ docker_log.stdout.split(':') | last | trim }} -e "CREATE USER {{ vault_db_admin_username }} IDENTIFIED BY {{ vault_db_admin_password }}; GRANT ALL PRIVILEGES ON *.* TO '{{ vault_db_admin_username }}'@'%' WITH GRANT OPTION;"