Comment 1 for bug 1639172

So, basically you want to relate IP with Ironic UUID

Would below template file solve your problem (not implemented yet)?

---
parameter_defaults:
  NodeUUIDs:
    Controller:
    - c433b9c7-7a57-4919-bdca-9abc41bc7ba3
    Compute:
    - 2a901b66-f757-46fc-9c59-529d47f31a55
    - 92ccf53d-e894-41e4-adab-ce67c6aaed30

  NodeConfigs:
    c433b9c7-7a57-4919-bdca-9abc41bc7ba3:
      net_ip_map:
        ctlplane: 10.0.0.111
        external: 10.10.0.111
        internal_api: 10.11.0.111
        storage: 10.12.0.111
        storage_mgmt: 10.13.0.111
        tenant: 10.14.0.111
        management: 10.15.0.111

    2a901b66-f757-46fc-9c59-529d47f31a55:
      net_ip_map:
        ctlplane: 10.0.0.112
        internal_api: 10.0.0.112
        storage: 10.12.0.112
        tenant: 10.14.0.112
        management: 10.15.0.112

    92ccf53d-e894-41e4-adab-ce67c6aaed30:
      net_ip_map:
        ctlplane: 10.0.0.113
        internal_api: 10.11.0.113
        storage: 10.12.0.113
        tenant: 10.14.0.113
        management: 10.15.0.113