yang/yang-parser-impl/src/test/resources/semantic-statement-parser/two-revisions/l3-unicast-igp-topology@2013-10-21.yang

   1 module l3-unicast-igp-topology {
   2     yang-version 1;
   3     namespace "urn:TBD:params:xml:ns:yang:nt:l3-unicast-igp-topology";
   4     // replace with IANA namespace when assigned
   5     prefix "l3t";
   6     import network-topology {
   7         prefix "nt";
   8         revision-date 2013-10-21;
   9     }
  10
  11     import ietf-inet-types {
  12         prefix "inet";
  13         revision-date 2010-09-24;
  14     }
  15
  16     organization "TBD";
  17     contact "TBD";
  18
  19     revision "2013-10-21" {
  20         description "Initial revision";
  21         reference "TBD";
  22     }
  23
  24     typedef igp-event-type {
  25         description "IGP Event type for notifications";
  26             type enumeration {
  27                 enum "add" {
  28                     value 0;
  29                         description "An IGP node or link or prefix or termination-point has been added";
  30                 }
  31                 enum "remove" {
  32                     value 1;
  33                     description "An IGP node or link or prefix or termination-point has been removed";
  34                 }
  35                 enum "update" {
  36                     value 2;
  37                     description "An IGP node or link or prefix or termination-point has been updated";
  38                 }
  39             }
  40         } // igp-event-type
  41
  42     identity flag-identity {
  43         description "Base type for flags";
  44     }
  45     identity undefined-flag {
  46         base "flag-identity";
  47     }
  48
  49     typedef flag-type {
  50
  51         type identityref {
  52             base "flag-identity";
  53         }
  54     }
  55
  56     grouping igp-prefix-attributes {
  57         leaf prefix {
  58             type inet:ip-prefix;
  59         }
  60         leaf metric {
  61             type uint32;
  62         }
  63         leaf-list flag {
  64             type flag-type;
  65         }
  66     }
  67
  68     grouping l3-unicast-igp-topology-type {
  69         container l3-unicast-igp-topology {
  70             presence "indicates L3 Unicast IGP Topology";
  71         }
  72     }
  73
  74     grouping igp-topology-attributes {
  75         container igp-topology-attributes {
  76             leaf name {
  77                 description "Name of the topology";
  78                     type string;
  79             }
  80             leaf-list flag {
  81                 description "Topology flags";
  82                 type flag-type;
  83             }
  84         }
  85     }
  86
  87     grouping igp-node-attributes {
  88         container igp-node-attributes {
  89             leaf name {
  90                 description "Node name";
  91                 type inet:domain-name;
  92             }
  93             leaf-list flag {
  94                 description "Node operational flags";
  95                 type flag-type;
  96             }
  97             leaf-list router-id {
  98                 description "Router-id for the node";
  99
 100                 type inet:ip-address;
 101             }
 102             list prefix {
 103                 key "prefix";
 104                 uses igp-prefix-attributes;
 105             }
 106         }
 107     }
 108
 109     grouping igp-link-attributes {
 110         container igp-link-attributes {
 111             leaf name {
 112                 description "Link Name";
 113                 type string;
 114             }
 115             leaf-list flag {
 116                 description "Link flags";
 117                 type flag-type;
 118             }
 119             leaf metric {
 120                 description "Link Metric";
 121                 type uint32 {
 122                     range "0..16777215"  {
 123                         description "
 124                         ";
 125                         // OSPF/ISIS supports max 3 byte metric.
 126                         // Ideally we would like this restriction to be
 127                         // defined in the derived models, however,
 128                         // we are not allowed to augment a "must" statement.
 129                     }
 130                 }
 131             }
 132         }
 133     } // grouping igp-link-attributes
 134
 135     grouping igp-termination-point-attributes {
 136         container igp-termination-point-attributes {
 137             choice termination-point-type {
 138                 case ip {
 139                    leaf-list ip-address {
 140                     description "IPv4 or IPv6 address";
 141                     type inet:ip-address;
 142                     }
 143                 }
 144                 case unnumbered {
 145                     leaf unnumbered-id {
 146                     description "Unnumbered interface identifier";
 147                     type uint32;
 148
 149                     }
 150                 }
 151             }
 152         }
 153     } // grouping igp-termination-point-attributes
 154
 155
 156     augment "/nt:network-topology/nt:topology/nt:topology-types" {
 157         uses l3-unicast-igp-topology-type;
 158     }
 159
 160     augment "/nt:network-topology/nt:topology" {
 161         when "nt:topology-types/l3-unicast-igp-topology";
 162         uses igp-topology-attributes;
 163     }
 164
 165     augment "/nt:network-topology/nt:topology/nt:node" {
 166         when "../nt:topology-types/l3-unicast-igp-topology";
 167         uses igp-node-attributes;
 168     }
 169     augment "/nt:network-topology/nt:topology/nt:link" {
 170         when "../nt:topology-types/l3-unicast-igp-topology";
 171         uses igp-link-attributes;
 172     }
 173     augment "/nt:network-topology/nt:topology/nt:node/nt:termination-point" {
 174         when "../../nt:topology-types/l3-unicast-igp-topology";
 175         uses igp-termination-point-attributes;
 176     }
 177
 178     notification igp-node-event {
 179         leaf igp-event-type {
 180             type igp-event-type;
 181         }
 182         leaf topology-ref {
 183             type nt:topology-ref;
 184         }
 185         uses l3-unicast-igp-topology-type;
 186         uses nt:node-attributes;
 187         uses igp-node-attributes;
 188     }
 189
 190     notification igp-link-event {
 191         leaf igp-event-type {
 192             type igp-event-type;
 193         }
 194         leaf topology-ref {
 195             type nt:topology-ref;
 196         }
 197
 198         uses l3-unicast-igp-topology-type;
 199         uses nt:link-attributes;
 200         uses igp-link-attributes;
 201     }
 202
 203     notification igp-prefix-event {
 204         leaf igp-event-type {
 205             type igp-event-type;
 206         }
 207         leaf topology-ref {
 208             type nt:topology-ref;
 209         }
 210         leaf node-ref {
 211             type nt:node-ref;
 212         }
 213         uses l3-unicast-igp-topology-type;
 214         container prefix {
 215             uses igp-prefix-attributes;
 216         }
 217     }
 218
 219     notification termination-point-event {
 220         leaf igp-event-type {
 221             type igp-event-type;
 222         }
 223         leaf topology-ref {
 224             type nt:topology-ref;
 225         }
 226         leaf node-ref {
 227             type nt:node-ref;
 228         }
 229         uses l3-unicast-igp-topology-type;
 230         uses nt:tp-attributes;
 231         uses igp-termination-point-attributes;
 232     }
 233 }