/*
 *
 *   Copyright 2018 CTTC
 *   Copyright 2018 Telefonica Investigacion y Desarrollo S.A.U.
 *
 *   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 nsi {
  //header information
  yang-version 1;
  namespace "urn:etsi:osm:yang:nsi";
  prefix "nsi";

  import nst {
    prefix "nst";
  }

  import nsr {
    prefix "nsr";
  }

  import osm-project {
    prefix "osm-project";
  }

  import netslice-instantiation-parameters {
    prefix "netslice-instantiation-parameters";
  }

  import ietf-yang-types {
    prefix "yang";
  }

  //revision history
  revision 2018-09-28 {
    description "Initial version";
  }

  grouping nsi {
    leaf id {
      description "Identifier for the NSI.";
      type yang:uuid;
    }

    leaf name {
      description "NSI name.";
      type string;
      mandatory true;
    }

    leaf short-name {
      description "NSI short name.";
      type string;
    }

    leaf description {
      description "NSI description.";
      type string;
    }

    leaf nst-ref {
      type leafref {
        path "/nst:nst/nst:id";
      }
      mandatory true;
    }

    container instantiation-parameters {
      uses netslice-instantiation-parameters:netslice_params;
    }

    container network-slice-template {
      uses nst:network-slice;
    }

    list nsr-ref-list{
      config false;
      key "nsr-ref";
      leaf nsr-ref {
        description "Reference to instantiated NSR";
        config false;
        type leafref {
          path "/osm-project:project/nsr:ns-instance-opdata/nsr:nsr/nsr:ns-instance-config-ref";
        }
      }
    }

    list vlr-list{
      config false;
      key "id";
      leaf id {
        description "ID of instantiated VLR";
        config false;
        type yang:uuid;
      }
    }
  }

  list nsi{
    key "id";
    unique "name";
    uses nsi;
  }

}