module openconfig-isis-policy {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/openconfig-isis-policy";

    prefix oc-isis-pol;

    import openconfig-routing-policy {
      prefix rpol;
    }
    import openconfig-extensions {
      prefix oc-ext;
    }
    import openconfig-isis-types {
      prefix isis-types;
    }

    organization "OpenConfig working group";

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

    description
      "This module contains data definitions for ISIS routing policy.
    It augments the base routing-policy module with BGP-specific
    options for conditions and actions.";

    revision "2023-11-02" {
      description
        "Fixing metric type leafs for action and condition branches.";
      reference
        "0.8.0";

    }

    revision "2023-04-28" {
      description
        "Adding set metric-type leaf";
      reference
        "0.7.0";

    }

    revision "2023-02-27" {
      description
        "Fixing type for set-metric-type leaf";
      reference
        "0.6.0";

    }

    revision "2020-02-04" {
      description
        "Consistent prefix for openconfig-mpls-types.";
      reference
        "0.5.0";

    }

    revision "2018-11-21" {
      description
        "Add OpenConfig module metadata extensions.";
      reference
        "0.4.2";

    }

    revision "2018-06-05" {
      description
        "Fix bugs in when statements.";
      reference
        "0.4.1";

    }

    revision "2018-05-14" {
      description
        "Update LSDB model to correct Extended IS reach TLV
      bug. This change is backwards incompatible due to
      adding an additional level of hierarchy to support
      multiple instances of the TLV.";
      reference
        "0.4.0";

    }

    revision "2017-07-26" {
      description
        "Update LSDB and fix bugs.";
      reference
        "0.3.2";

    }

    revision "2017-05-15" {
      description "Refactor LSDB.";
      reference
        "0.3.0";

    }

    revision "2017-01-13" {
      description
        "Remove top-level /isis container";
      reference
        "0.2.1";

    }

    revision "2016-12-15" {
      description
        "Add segment routing to IS-IS module";
      reference
        "0.2.0";

    }

    revision "2016-10-18" {
      description
        "Initial revision of IS-IS models.";
      reference
        "0.1.0";

    }

    oc-ext:openconfig-version "0.8.0";
    oc-ext:regexp-posix;
    oc-ext:catalog-organization "openconfig";
    oc-ext:origin "openconfig";

    grouping isis-match-conditions {
      description
        "Criteria used to match IS-IS routes within the policy";
      container isis-conditions {
        description
          "Match conditions relating to the IS-IS protocol";
        container config {
          description
            "Configuration parameters relating to IS-IS match
          conditions";
          uses isis-match-conditions-config;
        }  // container config

        container state {
          config false;
          description
            "Operational state parameters relating to IS-IS match
          conditions";
          uses isis-match-conditions-config;
        }  // container state
      }  // container isis-conditions
    }  // grouping isis-match-conditions

    grouping isis-match-conditions-config {
      description
        "Match conditions for IS-IS";
      leaf level-eq {
        type isis-types:level-number;
        description
          "Match the level that the IS-IS prefix is within. This can
        be used in the case that import or export policies refer
        to an IS-IS instance that has multiple levels configured
        within it";
      }

      leaf match-metric-type {
        type isis-types:metric-type;
        description
          "Matches the type of the route to redistribute to INTERNAL or EXTERNAL";
      }
    }  // grouping isis-match-conditions-config

    grouping isis-actions {
      description
        "Actions supplied by the IS-IS protocol to be set on a
      route within the policy";
      container isis-actions {
        description
          "Actions that can be performed by IS-IS within a policy";
        container config {
          description
            "Configuration parameters relating to IS-IS actions";
          uses isis-actions-config;
        }  // container config

        container state {
          config false;
          description
            "Operational state associated with IS-IS actions";
          uses isis-actions-config;
        }  // container state
      }  // container isis-actions
    }  // grouping isis-actions

    grouping isis-actions-config {
      description "Actions for IS-IS";
      leaf set-level {
        type isis-types:level-number;
        description
          "Set the level that a prefix is to be imported into.";
      }

      leaf set-metric-type {
        type isis-types:metric-type;
        description
          "This leaf sets the type of metric that is to be specified
        when the set-metric leaf is specified";
      }

      leaf set-metric-style-type {
        type isis-types:metric-style;
        description
          "Set the style of the metric";
      }

      leaf set-metric {
        type isis-types:wide-metric;
        description
          "Set the metric of the IS-IS prefix";
      }
    }  // grouping isis-actions-config

    augment /rpol:routing-policy/rpol:policy-definitions/rpol:policy-definition/rpol:statements/rpol:statement/rpol:actions {
      description
        "This augments igp-actions with ISIS conditions";
      uses isis-actions;
    }

    augment /rpol:routing-policy/rpol:policy-definitions/rpol:policy-definition/rpol:statements/rpol:statement/rpol:conditions {
      description
        "This augments igp-conditions with ISIS conditions";
      uses isis-match-conditions;
    }
  }  // module openconfig-isis-policy