FROM {{ namespace }}/{{ image_prefix }}nova-base:{{ tag }} {% block labels %} LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" {% endblock %} {% block nova_serialproxy_header %}{% endblock %} {% import "macros.j2" as macros with context %} {{ macros.kolla_patch_sources() }} {% block nova_serialproxy_footer %}{% endblock %} {% block footer %}{% endblock %} USER nova