topology_template:
  policies:
    - unkown_policy:
        properties:
          aspects:
            aspect1:
              vdus:
                vdu1:
                  - heatResource: wrapper_rg.0.server
                  - heatResource: wrapper_rg.1.server
    - heat_mapping:
        properties:
          aspects:
            aspect1:
              vdus:
                vdu1:
                  - heatResource: wrapper_rg.0.server
                  - heatResource: wrapper_rg.1.server
                vdu2:
                  - heatResource: wrapper_rg2.0.server
            emptyAspect: # does not make sense
            aspectWithOutVdu: # does not make sense
              network: