vdus:
  vdu1:
    param:
      vm_image: cirros-0.3.4-x86_64-uec
      flavor: m1.tiny
      service: firewall
      pkt_in_network: net0
      pkt_out_network: net1
      zone: nova
      management: True
      network: net_mgmt
      user_data_format: RAW
      user_data: |
        #!/bin/sh
        echo "my hostname is `hostname`" > /tmp/hostname
        df -h > /home/cirros/diskinfo