/*
  Copyright 2020 Whitestack LLC

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/

module interface {
    yang-version 1.1;
    namespace "urn:etsi:osm:yang:augments:interface";
    prefix "interface";

    import etsi-nfv-vnfd {
        prefix vnfd;
    }

    import common-augments {
        prefix common;
    }

    grouping extended-interface {
        description
          "List of Interfaces (external and internal) for the VNF";

        leaf position {
            description
              "Explicit Position of the interface within the list";
            type uint32;
        }

        leaf mac-address {
            description
              "MAC address of the interface.
               Some VNFs require a specific MAC address to be configured
               in the interface. While this is not recommended at all in
               NFV environments, this parameter exists to allow those
               scenarios.
               This parameter will be likely deprecated in the future.";
            type string;
        }

        uses common:virtual-interface;
    }

    augment "/vnfd:vnfd/vnfd:vdu/vnfd:int-cpd/vnfd:virtual-network-interface-requirement" {
        uses extended-interface;
    }
}