module Cisco-IOS-XE-ha-oper {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XE-ha-oper";

    prefix ha-ios-xe-oper;

    import ietf-yang-types {
      prefix yang;
    }
    import cisco-semver {
      prefix cisco-semver;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
     Customer Service

     Postal: 170 W Tasman Drive
     San Jose, CA 95134

     Tel: +1 1800 553-NETS

     E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of YANG definitions
     for High Availability (HA) operational state data.
     Copyright (c) 2017-2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-11-01" {
      description
        "Modified ha enabled to provide whether system is running in HA";
      reference
        "1.2.1";

    }

    revision "2019-05-01" {
      description "Added semantic version";
      reference
        "1.2.0";

    }

    revision "2018-10-29" {
      description
        "Cleaned up spelling errors in descriptions.";
      reference
        "1.1.0";

    }

    revision "2018-05-02" {
      description "Initial revision";
      reference
        "1.0.0";

    }

    cisco-semver:module-version "1.2.1";
    cisco-semver:module-version "1.2.0";
    cisco-semver:module-version "1.1.0";
    cisco-semver:module-version "1.0.0";

    typedef rf-states {
      type enumeration {
        enum "db-rf-unknown" {
          value 0;
          description
            "RF HA state is unknown";
        }
        enum "db-rf-disabled" {
          value 1;
          description
            "RF HA state is disabled";
        }
        enum "db-rf-initialization" {
          value 2;
          description
            "RF HA state is initialization";
        }
        enum "db-rf-negotiation" {
          value 3;
          description
            "RF HA state is negotiation";
        }
        enum "db-rf-standby-cold" {
          value 4;
          description
            "RF HA state is standby cold";
        }
        enum "db-rf-standby-config" {
          value 5;
          description
            "RF HA state is standby config";
        }
        enum "db-rf-standby-filesys" {
          value 6;
          description
            "RF HA state is standby filesys";
        }
        enum "db-rf-standby-bulk" {
          value 7;
          description
            "RF HA state is standby bulk";
        }
        enum "db-rf-standby-hot" {
          value 8;
          description
            "RF HA state is standby hot";
        }
        enum "db-rf-active-fast" {
          value 9;
          description
            "RF HA state is active fast";
        }
        enum "db-rf-active-drain" {
          value 10;
          description
            "RF HA state is active drain";
        }
        enum "db-rf-active-preconfig" {
          value 11;
          description
            "RF HA state is active preconfig";
        }
        enum "db-rf-active-postconfig" {
          value 12;
          description
            "RF HA state is active postconfig";
        }
        enum "db-rf-active" {
          value 13;
          description
            "RF HA state is active";
        }
        enum "db-rf-active-extraload" {
          value 14;
          description
            "RF HA state is active extraload";
        }
        enum "db-rf-active-handback" {
          value 15;
          description
            "RF HA state is active handback";
        }
        enum "db-rf-standby-warm" {
          value 16;
          description
            "RF HA state is standby warm";
        }
        enum "db-rf-issu-negotiation" {
          value 17;
          description
            "RF HA state is ISSU negotiation";
        }
        enum
          "db-rf-standby-issu-negotiation-late" {
          value 18;
          description
            "RF HA state is standby ISSU negotiation late";
        }
        enum "db-rf-platform-sync" {
          value 19;
          description
            "RF HA state is platform sync";
        }
      }
      description
        "HA peer states and local peer states";
    }

    container ha-oper-data {
      config false;
      description
        "HA infrastructure status operational data";
      container ha-infra {
        presence "ha-infra";
        description
          "HA infrastructure status";
        leaf ha-state {
          type rf-states;
          description "State for local peer";
        }

        leaf peer-state {
          type rf-states;
          description
            "State for remote peer";
        }

        leaf last-switchover-time {
          type yang:date-and-time;
          description
            "System last switchover time";
        }

        leaf last-switchover-reason {
          type string;
          description
            "System last switchover reason";
        }

        leaf image-version {
          type string;
          description "System image version";
        }

        leaf leaf-mode {
          type string;
          description
            "System running redundancy mode";
        }

        leaf ha-enabled {
          type boolean;
          description
            "System ready for switchover";
        }

        leaf has-switchover-occured {
          type boolean;
          description
            "System switchover happened before or not";
        }
      }  // container ha-infra
    }  // container ha-oper-data
  }  // module Cisco-IOS-XE-ha-oper