module openconfig-license {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/license";

    prefix oc-license;

    import openconfig-extensions {
      prefix oc-ext;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
www.openconfig.net";

    description
      "This module defines configuration and operational
state data for licenses.";

    revision "2020-04-22" {
      description
        "Make license-data a union of a string or binary.";
      reference
        "0.2.0";

    }

    revision "2020-01-07" {
      description "Initial revision";
      reference
        "0.1.0";

    }

    oc-ext:openconfig-version "0.2.0";
    oc-ext:regexp-posix;
    oc-ext:catalog-organization "openconfig";
    oc-ext:origin "openconfig";

    grouping license-config {
      description
        "Configuration data for license";
      leaf license-id {
        type string;
        description
          "License ID. A string that uniquelly identifies the license. The
platform should list all the licenses it supports being activated.";
      }

      leaf license-data {
        type union {
          type binary;
          type string;
        }
        description
          "The contents of the licence (if required) - which may be
supplied as a binary blob, or a simple string value. If this
value is considered sensitive, it may be read as an empty value.";
      }

      leaf active {
        type boolean;
        default "false";
        description
          "The activation state of the license.";
      }
    }  // grouping license-config

    grouping license-state {
      description "State data for license";
      leaf description {
        type string;
        description
          "The license description.";
      }

      leaf issue-date {
        type uint64;
        description
          "The date and time at which the license was issued, expressed as the
number of nanoseconds since the Unix Epoch
(January 1, 1970, 00:00 UTC).";
      }

      leaf expiration-date {
        type uint64;
        description
          "The date and time at which the license will expire, expressed as the
number of nanoseconds since the Unix Epoch
(January 1, 1970, 00:00 UTC). Zero if it does not expire.";
      }

      leaf in-use {
        type boolean;
        description
          "The license is in use. Different from active. This states that the
license is effectively being used in addition to being active. If
license for feature X was activated but feature X is not being used,
then this should be false.";
      }

      leaf expired {
        type boolean;
        description
          "The license has expired.";
      }

      leaf valid {
        type boolean;
        description
          "The license is valid. Can be activated in the system or platform.";
      }
    }  // grouping license-state

    grouping licenses-top {
      description
        "Top-level grouping for licenses.";
      container licenses {
        description
          "Enclosing container for list of licenses";
        list license {
          key "license-id";
          description "List of licenses.";
          leaf license-id {
            type leafref {
              path "../config/license-id";
            }
            description
              "Reference to license id list key";
          }

          container config {
            description
              "Configuration data for license";
            uses license-config;
          }  // container config

          container state {
            config false;
            description
              "Operational state data for license.";
            uses license-config;

            uses license-state;
          }  // container state
        }  // list license
      }  // container licenses
    }  // grouping licenses-top

    grouping license-top {
      description
        "Top-level for the license model";
      container license {
        description
          "Container for license model";
        uses licenses-top;
      }  // container license
    }  // grouping license-top
  }  // module openconfig-license