+ volumes:
+ list_concat:
+ - {get_attr: [ContainersCommon, volumes]}
+ -
+ - /var/lib/kolla/config_files/nova_api_cron.json:/var/lib/kolla/config_files/config.json:ro
+ - /var/lib/config-data/puppet-generated/nova/:/var/lib/kolla/config_files/src:ro
+ - /var/log/containers/nova:/var/log/nova