/*
 * 
 *   Copyright 2016-2017 RIFT.IO Inc
 *
 *   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 vld
{
  namespace "urn:ietf:params:xml:ns:yang:nfvo:vld";
  prefix "vld";

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

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

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

  import mano-types {
    prefix "manotypes";
  }

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

  revision 2017-02-08 {
    description
      "Update model to support projects.";
  }

  revision 2015-09-10 {
    description
      "Initial revision. This YANG file defines
       the Virtual Link Descriptor (VLD)";
    reference
      "Derived from earlier versions of base YANG files";
  }

  augment "/rw-project:project" {
    container vld-catalog {

      list vld {
        key "id";

        leaf id {
          description "Identifier for the VLD.";
          type yang:uuid;
        }

        leaf name {
          description "Virtual Link Descriptor (VLD) name.";
          type string;
        }

        leaf short-name {
          description "Short name for VLD for UI";
          type string;
        }

        leaf vendor {
          description "Provider of the VLD.";
          type string;
        }

        leaf description {
          description "Description of the VLD.";
          type string;
        }

        leaf version {
          description "Version of the VLD";
          type string;
        }

        leaf type {
          type manotypes:virtual-link-type;
        }

        leaf root-bandwidth {
          description
            "For ELAN this is the aggregate bandwidth.";
          type uint64;
        }

        leaf leaf-bandwidth {
          description
            "For ELAN this is the bandwidth of branches.";
          type uint64;
        }

        list vnfd-connection-point-ref {
          description
            "A list of references to connection points.";
          key "vnfd-ref member-vnf-index-ref";

          leaf vnfd-ref {
            description "A reference to a vnfd";
            type leafref {
              path "../../../../project-vnfd:vnfd-catalog/project-vnfd:vnfd/project-vnfd:id";
            }
          }

          leaf member-vnf-index-ref {
            description
              "A reference to the consituent-vnfd id in nsd. 
              Should have been a leafref to:
                '/rw-project:project/project-nsd:nsd-catalog:/nsd/constituent-vnfd/member-vnf-index-ref'.
              Instead using direct leaf to avoid circular reference.";
            type uint64;
          }

          leaf vnfd-connection-point-ref {
            description
              "A reference to a connection point name in a vnfd";
            type leafref {
              path "../../../../project-vnfd:vnfd-catalog/project-vnfd:vnfd"
                + "[project-vnfd:id = current()/../vld:vnfd-ref]"
                + "/project-vnfd:connection-point/project-vnfd:name";
            }
          }
        }

        // replicate for pnfd container here
        uses manotypes:provider-network;
      }
    }
  }
}