module huawei-vcluster {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-vcluster";

    prefix vcluster;

    import huawei-network-instance {
      prefix ni;
    }
    import ietf-inet-types {
      prefix inet;
    }
    import huawei-extension {
      prefix ext;
    }

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
     Bantian, Longgang
     Shenzhen 518129
     People's Republic of China
     Website: http://www.huawei.com
     Email: support@huawei.com";

    description
      "Configuration and Information of IPRAN Virtual Cluster Access.";

    revision "2020-07-11" {
      description
        "Add private syntax to the keychain name.";
      reference
        "Huawei private.";

    }

    revision "2020-03-20" {
      description "Fixed some problems.";
      reference
        "Huawei private.";

    }

    revision "2020-03-10" {
      description
        "Fixed some nodes description.";
      reference
        "Huawei private.";

    }

    revision "2019-11-13" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "virtual-cluster";

    typedef vc-role {
      type enumeration {
        enum "default" {
          value 0;
          description
            "Default is no configuration.";
        }
        enum "master" {
          value 1;
          description
            "Role of virtual cluster access is Master.";
        }
      }
      description "Role.";
    }

    typedef run-state {
      type enumeration {
        enum "init" {
          value 0;
          description
            "Run state of virtual cluster access router is intializtion.";
        }
        enum "setup" {
          value 1;
          description
            "Run state of virtual cluster access router is setup.";
        }
        enum "registing" {
          value 2;
          description
            "Run state of virtual cluster access router is registing.";
        }
        enum "running" {
          value 3;
          description
            "Run state of virtual cluster access router is running.";
        }
      }
      description "VC AP Status Info.";
    }

    typedef graceful-restart-state {
      type enumeration {
        enum "idle" {
          value 0;
          description
            "GR state of virtual cluster access routert is idle.";
        }
        enum "reconnect" {
          value 1;
          description
            "GR state of virtual cluster access router is reconnect.";
        }
        enum "recovery" {
          value 2;
          description
            "GR state of virtual cluster access router is recovery.";
        }
        enum "aging" {
          value 3;
          description
            "GR state of virtual cluster access router is aging.";
        }
      }
      description "Graceful restart state.";
    }

    container vcluster {
      description "Virtual Cluster Access.";
      container global {
        presence
          "Enable/disable vcluster function.";
        description
          "Configure basic function of virtural cluster.";
        leaf role {
          type vc-role;
          default "default";
          description
            "Role of virtual cluster access. Include ap and master. Default is no configuration.";
        }

        leaf admin-ip-address {
          type inet:ip-address;
          description
            "Admin IP of virtual cluster access.";
        }

        leaf vpn-name {
          when '../admin-ip-address';
          type leafref {
            path "/ni:network-instance/ni:instances/ni:instance/ni:name";
          }
          must "../vpn-name='_public_'";
          default "_public_";
          description "VPN name.";
        }

        leaf keychain-name {
          ext:case-sensitivity "lower-only";
          type string {
            length "0..47";
            pattern '[^A-Z]+';
          }
          description "Keychain name.";
        }

        leaf vc-min-tx-interval {
          when "../role='master'";
          type uint32 {
            range "3..1000";
          }
          units "ms";
          default "50";
          description
            "The minimum transmit interval of VC BFD.";
        }

        leaf vc-min-rx-interval {
          when "../role='master'";
          type uint32 {
            range "3..1000";
          }
          units "ms";
          default "50";
          description
            "The minimum receive interval of VC BFD.";
        }

        leaf vc-detect-multiplier {
          when "../role='master'";
          type uint32 {
            range "3..50";
          }
          default "3";
          description
            "Detection multiplier of VC BFD.";
        }

        leaf vc-bit-error-detection {
          when "../role='master'";
          type boolean;
          default "false";
          description
            "Enable/disable VC bit error detection.";
        }

        leaf vp-min-rx-interval {
          when "../role='master'";
          type uint32 {
            range "3..1000";
          }
          units "ms";
          default "10";
          description
            "The minimum receive interval of VP BFD.";
        }

        leaf vp-min-tx-interval {
          when "../role='master'";
          type uint32 {
            range "3..1000";
          }
          units "ms";
          default "10";
          description
            "The minimum transmit interval of VP BFD.";
        }

        leaf vp-detect-multiplier {
          when "../role='master'";
          type uint32 {
            range "3..50";
          }
          default "3";
          description
            "Detection multiplier of VP BFD.";
        }

        leaf vp-bit-error-detection {
          when "../role='master'";
          type boolean;
          default "false";
          description
            "Enable/disable VP bit error detection.";
        }
      }  // container global
    }  // container vcluster
  }  // module huawei-vcluster