module huawei-masterkey {

    yang-version 1;

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

    prefix masterkey;

    import ietf-yang-types {
      prefix yang;
    }
    import huawei-pub-type {
      prefix pub-type;
    }
    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 "Master key.";

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

    }

    revision "2019-05-22" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "system";

    typedef mk-config-type {
      type enumeration {
        enum "default" {
          value 1;
          description "Default master key.";
        }
        enum "user-defined" {
          value 2;
          description
            "User defined master key.";
        }
        enum "auto-update" {
          value 3;
          description
            "Auto update master key.";
        }
      }
      description
        "The config type of master key.";
    }

    typedef mk-modify-result {
      type enumeration {
        enum "success" {
          value 1;
          description "Success.";
        }
        enum "operating" {
          value 2;
          description "Operating.";
        }
        enum "failure" {
          value 3;
          description "Failure.";
        }
      }
      description "The status of operation.";
    }

    container masterkey {
      description "Master key.";
      container current-type {
        config false;
        description
          "Operational state of master key current type.";
        leaf type {
          type mk-config-type;
          description
            "Master key current type.";
        }
      }  // container current-type

      container modify-result {
        config false;
        description
          "Operational state of master key modify information.";
        leaf modify-start-time {
          type yang:date-and-time;
          description "Start time.";
        }

        leaf modify-end-time {
          type yang:date-and-time;
          description "End time.";
        }

        leaf modify-result {
          type mk-modify-result;
          description "Modify result.";
        }

        leaf modify-error-reason {
          type string {
            length "1..128";
          }
          description "Modify error reason.";
        }
      }  // container modify-result

      container auto-update {
        description
          "Configure master key auto update.";
        leaf interval {
          type uint32 {
            range "1..3650";
          }
          units "d";
          description
            "Auto update interval.";
        }
      }  // container auto-update
    }  // container masterkey

    rpc set-masterkey {
      ext:node-ref "/masterkey";
      description "Modify master key.";
      input {
        leaf new-masterkey {
          type pub-type:password-extend {
            length "20..32";
          }
          description
            "The input field is the master key. If this field is not carried, the system automatically generates the master key.";
        }
      }
    }  // rpc set-masterkey

    rpc clear-masterkey {
      ext:node-ref "/masterkey";
      description
        "Delete historical master key.";
    }  // rpc clear-masterkey
  }  // module huawei-masterkey