module app-ztd {

    yang-version 1;

    namespace
      "http://www.dellemc.com/networking/os10/app-ztd";

    prefix app-ztd;

    import ietf-inet-types {
      prefix inet;
    }

    organization "Dell EMC";

    contact "http://www.dell.com/support";

    description
      "This module contains a collection of YANG definitions for managing
         Zero touch deployment (ZTD) application. ";

    revision "2018-06-14" {
      description "Initial revision";
    }


    rpc ztd-start {
      description "Start the ZTD protocol";
      input {
        leaf image-file {
          type inet:uri;
          description
            "Specify the location of the image file that will be used to perform software upgrade operation.";
        }

        leaf config-file {
          type inet:uri;
          description
            "Specify the location of the configuration file that will be applied to the switch.";
        }

        leaf script-file {
          type inet:uri;
          description
            "Specify the location of the post script file that will be run post ZTD process.";
        }
      }

      output {
        leaf status {
          type string;
          description
            "Status of the RPC request.";
        }
      }
    }  // rpc ztd-start

    container ztd-state {
      config false;
      description
        "Current status of ZTD process";
      leaf protocol-state {
        type enumeration {
          enum "init" {
            value 1;
            description
              "ZTD Protocol Initialised.";
          }
          enum "idle" {
            value 2;
            description
              "ZTD Protocol waiting for enablement or completed.";
          }
          enum "waiting" {
            value 3;
            description
              "ZTD Protocol started waiting for the call back.";
          }
          enum "downloading" {
            value 4;
            description
              "ZTD Protocol downloading the given files.";
          }
          enum "installing" {
            value 5;
            description
              "ZTD Protocol installing the given image.";
          }
          enum "pre-config" {
            value 6;
            description
              "ZTD Protocol executing the pre-configuration.";
          }
          enum "post-config" {
            value 7;
            description
              "ZTD Protocol executing the post-configuration.";
          }
          enum "post-script" {
            value 8;
            description
              "ZTD Protocol executing the post-script.";
          }
        }
        description
          "Current state of ztd protocol";
      }
    }  // container ztd-state
  }  // module app-ztd