module openconfig-system-utilization {
  yang-version "1";

  namespace "http://openconfig.net/yang/system-utilization";
  prefix "oc-sys-util";

  import openconfig-extensions { prefix oc-ext; }
  import openconfig-system { prefix oc-sys; }
  import openconfig-platform { prefix oc-platform; }

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

  description
    "This module adds configuration and operational state for
    system wide resource utilization thresholds.";

  oc-ext:openconfig-version "0.1.0";

  revision "2023-02-13" {
      description
        "Add system wide utilization thresholds.";
      reference
        "0.1.0";
  }

  grouping system-resource-utilization-config {
    description
      "Configuration data for resource utilization. The configuration added here should
      apply across all of the components that matches the respective resource.
      /components/component/*/utilization/resources/resource/name";


    leaf name {
      type string;
      description
        "Resource name within the system.";
    }

    uses oc-platform:resource-utilization-threshold-common;
  }

  grouping system-resource-utilization-state {
    description
      "State data for resource utilization.";

    leaf-list active-component-list {
      type leafref {
        path "/oc-platform:components/oc-platform:component/oc-platform:config/oc-platform:name";
      }

      description
        "List of references to each component which has this resource.";
    }
  }

  grouping system-resource-utilization-top {
    description
      "Top level grouping for system wide configuration of resources for
      all components.";

    container "utilization" {
      description
        "System wide resource utilization configuration.";

      container "resources" {
        description
          "Enclosing container for the resources in the entire system. The system
          resource names should be aggregated from the following collections:

          * /components/component/chassis/utilization/resources/resource
          * /components/component/integrate-circuit/utilization/resources/resource
          * /components/component/linecard/utilization/resources/resource.";

        list "resource" {
          key "name";
          description
            "The list of all resources across all platform components keyed by
            resource name.";

          leaf name {
            type leafref {
              path "../config/name";
            }
            description
              "References the resource name.";
          }

          container "config" {
            description
              "Configuration data for resource utilization.";
            uses system-resource-utilization-config;
          }

          container "state" {
            config false;
            description
              "Operational state data for resource utilization.";

            uses system-resource-utilization-config;
            uses system-resource-utilization-state;
          }
        }
      }
    }
  }

  augment "/oc-sys:system" {
    description
      "Add system resource utilization.";
    uses system-resource-utilization-top;
  }
}