mysql/client/database_upgrade/keystone.yml

parameters:
  mysql:
    client:
      server:
        database:
          database:
            keystone_upgrade:
              encoding: utf8
              users:
              - name: ${_param:mysql_keystone_username}
                password: ${_param:mysql_keystone_password}
                host: '%'
                rights: all
              - name: ${_param:mysql_keystone_username}
                password: ${_param:mysql_keystone_password}
                host: ${_param:single_address}
                rights: all
              initial_data:
                engine: backupninja
                source: ${_param:backupninja_backup_host}
                host: ${linux:network:fqdn}
                database: keystone