nodes:
   - name: node1
     tags: control      #optional param, other valid value "compute"
     arch: "x86_64"
     mac_address: "3c:da:2a:e8:01:ed" #pxe boot interface mac
     power:
       type: ipmi
       address: 129.5.1.9
       user: zteroot
       pass: superuser
   - name: node2
     tags: control
     arch: "x86_64"
     mac_address: "3c:da:2a:e8:02:4c"
     power:
       type: ipmi
       address: 129.5.1.10
       user: zteroot
       pass: superuser
   - name: node3
     tags: control
     arch: "x86_64"
     mac_address: "3c:da:2a:e8:01:a7"
     power:
       type: ipmi
       address: 129.5.1.11
       user: zteroot
       pass: superuser

   - name: node4
     tags: compute
     arch: "x86_64"
     mac_address: "3c:da:2a:e8:01:ca"
     power:
       type: ipmi
       address: 129.5.1.12
       user: zteroot
       pass: superuser

   - name: node5
     tags: compute
     arch: "x86_64"
     mac_address: "3c:da:2a:e8:01:b6"
     power:
       type: ipmi
       address: 129.5.1.13
       user: zteroot
       pass: superuser