|
| 1 | +module ietf-sid-file { |
| 2 | + yang-version 1.1; |
| 3 | + namespace "urn:ietf:params:xml:ns:yang:ietf-sid-file"; |
| 4 | + prefix sid; |
| 5 | + |
| 6 | + import ietf-yang-types { |
| 7 | + prefix yang; |
| 8 | + reference |
| 9 | + "RFC 6991: Common YANG Data Types"; |
| 10 | + } |
| 11 | + import ietf-yang-structure-ext { |
| 12 | + prefix sx; |
| 13 | + reference |
| 14 | + "RFC 8791: YANG Data Structure Extensions"; |
| 15 | + } |
| 16 | + |
| 17 | + organization |
| 18 | + "IETF CORE Working Group"; |
| 19 | + |
| 20 | + contact |
| 21 | + "WG Web: <https://datatracker.ietf.org/wg/core/> |
| 22 | +
|
| 23 | + WG List: <mailto:core@ietf.org> |
| 24 | +
|
| 25 | + Editor: Michel Veillette |
| 26 | + <mailto:michel.veillette@trilliant.com> |
| 27 | +
|
| 28 | + Editor: Andy Bierman |
| 29 | + <mailto:andy@yumaworks.com> |
| 30 | +
|
| 31 | + Editor: Alexander Pelov |
| 32 | + <mailto:alexander.pelov@imt-atlantique.fr> |
| 33 | +
|
| 34 | + Editor: Ivaylo Petrov |
| 35 | + <mailto:ivaylopetrov@google.com>"; |
| 36 | + |
| 37 | + description |
| 38 | + "This module defines the structure of the '.sid' files. |
| 39 | +
|
| 40 | + Each '.sid' file contains the mapping between each |
| 41 | + string identifier defined by a YANG module and a |
| 42 | + corresponding numeric value called a YANG SID. |
| 43 | +
|
| 44 | + The key words 'MUST', 'MUST NOT', 'REQUIRED', 'SHALL', 'SHALL |
| 45 | + NOT', 'SHOULD', 'SHOULD NOT', 'RECOMMENDED', 'NOT RECOMMENDED', |
| 46 | + 'MAY', and 'OPTIONAL' in this document are to be interpreted as |
| 47 | + described in BCP 14 (RFC 2119) (RFC 8174) when, and only when, |
| 48 | + they appear in all capitals, as shown here. |
| 49 | +
|
| 50 | + Copyright (c) 2024 IETF Trust and the persons identified as |
| 51 | + authors of the code. All rights reserved. |
| 52 | +
|
| 53 | + Redistribution and use in source and binary forms, with or |
| 54 | + without modification, is permitted pursuant to, and subject to |
| 55 | + the license terms contained in, the Revised BSD License set |
| 56 | + forth in Section 4.c of the IETF Trust's Legal Provisions |
| 57 | + Relating to IETF Documents |
| 58 | + (https://trustee.ietf.org/license-info). |
| 59 | +
|
| 60 | + This version of this YANG module is part of RFC 9595; see |
| 61 | + the RFC itself for full legal notices."; |
| 62 | + |
| 63 | + revision 2024-07-31 { |
| 64 | + description |
| 65 | + "Initial revision."; |
| 66 | + reference |
| 67 | + "RFC 9595: YANG Schema Item iDentifier (YANG SID)"; |
| 68 | + } |
| 69 | + |
| 70 | + typedef revision-identifier { |
| 71 | + type string { |
| 72 | + pattern '[0-9]{4}-[0-9]{2}-[0-9]{2}'; |
| 73 | + } |
| 74 | + description |
| 75 | + "Represents a date in YYYY-MM-DD format."; |
| 76 | + } |
| 77 | + |
| 78 | + typedef sid-file-version-identifier { |
| 79 | + type uint32; |
| 80 | + description |
| 81 | + "Represents the version of a '.sid' file."; |
| 82 | + } |
| 83 | + |
| 84 | + typedef sid { |
| 85 | + type uint64 { |
| 86 | + range "0..9223372036854775807"; |
| 87 | + } |
| 88 | + description |
| 89 | + "YANG Schema Item iDentifier."; |
| 90 | + reference |
| 91 | + "RFC 9595: YANG Schema Item iDentifier (YANG SID)"; |
| 92 | + } |
| 93 | + |
| 94 | + typedef schema-node-path { |
| 95 | + type string { |
| 96 | + pattern |
| 97 | + '/[a-zA-Z_][a-zA-Z0-9\-_.]*:[a-zA-Z_][a-zA-Z0-9\-_.]*' + |
| 98 | + '(/[a-zA-Z_][a-zA-Z0-9\-_.]*(:[a-zA-Z_][a-zA-Z0-9\-_.]*)?)*'; |
| 99 | + } |
| 100 | + description |
| 101 | + "A schema-node path is an absolute YANG schema-node |
| 102 | + identifier as defined by the YANG ABNF rule |
| 103 | + 'absolute-schema-nodeid', except that module names are used |
| 104 | + instead of prefixes. |
| 105 | +
|
| 106 | + This string additionally follows the following rules: |
| 107 | +
|
| 108 | + - The leftmost (top-level) data node name is always in the |
| 109 | + namespace-qualified form. |
| 110 | + - Any subsequent schema-node name is in the |
| 111 | + namespace-qualified form if the node is defined in a |
| 112 | + module other than its parent node. Otherwise, the |
| 113 | + simple form is used. No predicates are allowed."; |
| 114 | + reference |
| 115 | + "RFC 5234 (STD 68): Augmented BNF for Syntax Specifications: |
| 116 | + ABNF |
| 117 | + RFC 7950: The YANG 1.1 Data Modeling Language, |
| 118 | + Section 6.5: Schema Node Identifier"; |
| 119 | + } |
| 120 | + |
| 121 | + sx:structure sid-file { |
| 122 | + uses sid-file-contents; |
| 123 | + } |
| 124 | + |
| 125 | + grouping sid-file { |
| 126 | + description |
| 127 | + "A grouping that contains a YANG container |
| 128 | + representing the file structure of a '.sid' file."; |
| 129 | + |
| 130 | + container sid-file { |
| 131 | + description |
| 132 | + "A wrapper container that together with the 'sx:structure' |
| 133 | + extension marks the YANG data structures inside as not |
| 134 | + being intended to be implemented as part of a |
| 135 | + configuration datastore or as an operational state within |
| 136 | + the server."; |
| 137 | + uses sid-file-contents; |
| 138 | + } |
| 139 | + } |
| 140 | + |
| 141 | + grouping sid-file-contents { |
| 142 | + description |
| 143 | + "A grouping that defines the contents of a container that |
| 144 | + represents the file structure of a '.sid' file."; |
| 145 | + |
| 146 | + leaf module-name { |
| 147 | + type yang:yang-identifier; |
| 148 | + mandatory true; |
| 149 | + description |
| 150 | + "Name of the YANG module associated with this |
| 151 | + '.sid' file."; |
| 152 | + } |
| 153 | + |
| 154 | + leaf module-revision { |
| 155 | + type revision-identifier; |
| 156 | + description |
| 157 | + "Revision of the YANG module associated with this '.sid' |
| 158 | + file. |
| 159 | + This leaf is not present if no revision statement is |
| 160 | + defined in the YANG module."; |
| 161 | + } |
| 162 | + |
| 163 | + leaf sid-file-version { |
| 164 | + type sid-file-version-identifier; |
| 165 | + default 0; |
| 166 | + description |
| 167 | + "Optional leaf that specifies the version number of the |
| 168 | + '.sid' file. '.sid' files and the version sequence are |
| 169 | + specific to a given YANG module revision. This number |
| 170 | + starts at zero when there is a new YANG module revision |
| 171 | + and increases monotonically. This number can distinguish |
| 172 | + updates to the '.sid' file - for instance, as the result |
| 173 | + of new processing or reported errata."; |
| 174 | + } |
| 175 | + |
| 176 | + leaf sid-file-status { |
| 177 | + type enumeration { |
| 178 | + enum unpublished { |
| 179 | + description |
| 180 | + "This '.sid' file is unpublished (BCP 216) and is |
| 181 | + also called a work-in-progress or workfile. |
| 182 | + This may be when it accompanies an unpublished YANG |
| 183 | + module or when only the '.sid' file itself is |
| 184 | + unpublished. |
| 185 | + The 'item' list MAY contain entries with a status |
| 186 | + value of 'unstable'."; |
| 187 | + reference |
| 188 | + "RFC 8407 (BCP 216): Guidelines for Authors and |
| 189 | + Reviewers of Documents Containing |
| 190 | + YANG Data Models"; |
| 191 | + } |
| 192 | + enum published { |
| 193 | + description |
| 194 | + "This '.sid' file is published. This status |
| 195 | + applies to '.sid' files for published YANG modules. |
| 196 | + The 'item' list MUST NOT contain entries with a |
| 197 | + status value of 'unstable'."; |
| 198 | + } |
| 199 | + } |
| 200 | + default "published"; |
| 201 | + description |
| 202 | + "Optional leaf that specifies the status of the |
| 203 | + '.sid' file."; |
| 204 | + } |
| 205 | + |
| 206 | + leaf description { |
| 207 | + type string; |
| 208 | + description |
| 209 | + "Free-form meta-information about the generated file. It |
| 210 | + might include a '.sid' file generation tool and time, |
| 211 | + among other things."; |
| 212 | + } |
| 213 | + |
| 214 | + list dependency-revision { |
| 215 | + key "module-name"; |
| 216 | + |
| 217 | + description |
| 218 | + "Information about the revision used during the |
| 219 | + '.sid' file generation of each dependency, i.e., each |
| 220 | + YANG module that the YANG module associated with this |
| 221 | + '.sid' file imported."; |
| 222 | + |
| 223 | + leaf module-name { |
| 224 | + type yang:yang-identifier; |
| 225 | + description |
| 226 | + "YANG module name of this dependency."; |
| 227 | + } |
| 228 | + leaf module-revision { |
| 229 | + type revision-identifier; |
| 230 | + mandatory true; |
| 231 | + description |
| 232 | + "Revision of the YANG module of this dependency."; |
| 233 | + } |
| 234 | + } |
| 235 | + |
| 236 | + list assignment-range { |
| 237 | + key "entry-point"; |
| 238 | + description |
| 239 | + "YANG-SID Range(s) allocated to the YANG module |
| 240 | + identified by 'module-name' and 'module-revision'. |
| 241 | +
|
| 242 | + - The first available value in the YANG-SID Range is |
| 243 | + 'entry-point', and the last available value in the |
| 244 | + range is ('entry-point' + size - 1). |
| 245 | + - The YANG-SID Ranges specified by all |
| 246 | + 'assignment-range' entries MUST NOT overlap."; |
| 247 | + |
| 248 | + leaf entry-point { |
| 249 | + type sid; |
| 250 | + description |
| 251 | + "Lowest YANG SID available for assignment."; |
| 252 | + } |
| 253 | + |
| 254 | + leaf size { |
| 255 | + type uint64; |
| 256 | + mandatory true; |
| 257 | + description |
| 258 | + "Number of YANG SIDs available for assignment."; |
| 259 | + } |
| 260 | + } |
| 261 | + |
| 262 | + list item { |
| 263 | + key "namespace identifier"; |
| 264 | + unique "sid"; |
| 265 | + |
| 266 | + description |
| 267 | + "Each entry within this list defines the mapping between |
| 268 | + a YANG item string identifier and a YANG SID. This list |
| 269 | + MUST include a mapping entry for each YANG item defined |
| 270 | + by the YANG module identified by 'module-name' and |
| 271 | + 'module-revision'."; |
| 272 | + |
| 273 | + leaf status { |
| 274 | + type enumeration { |
| 275 | + enum stable { |
| 276 | + value 0; |
| 277 | + description |
| 278 | + "This SID allocation has been published as the |
| 279 | + stable allocation for the given namespace and |
| 280 | + identifier."; |
| 281 | + } |
| 282 | + enum unstable { |
| 283 | + value 1; |
| 284 | + description |
| 285 | + "This SID allocation has been done during a |
| 286 | + development process; it is not yet stable."; |
| 287 | + } |
| 288 | + enum obsolete { |
| 289 | + value 2; |
| 290 | + description |
| 291 | + "This SID allocation is no longer in use. It is |
| 292 | + recorded to avoid reallocation of its SID value."; |
| 293 | + } |
| 294 | + } |
| 295 | + default "stable"; |
| 296 | + description |
| 297 | + "The status field contains information about the |
| 298 | + stability of the allocation. For each specific SID |
| 299 | + value, over time it can only transition from |
| 300 | + 'unstable' to 'stable', and possibly from 'stable' to |
| 301 | + 'obsolete'."; |
| 302 | + } |
| 303 | + |
| 304 | + leaf namespace { |
| 305 | + type enumeration { |
| 306 | + enum module { |
| 307 | + value 0; |
| 308 | + description |
| 309 | + "All module and submodule names share the same |
| 310 | + global module identifier namespace."; |
| 311 | + } |
| 312 | + enum identity { |
| 313 | + value 1; |
| 314 | + description |
| 315 | + "All identity names defined in a module and its |
| 316 | + submodules share the same identity identifier |
| 317 | + namespace."; |
| 318 | + } |
| 319 | + enum feature { |
| 320 | + value 2; |
| 321 | + description |
| 322 | + "All feature names defined in a module and its |
| 323 | + submodules share the same feature identifier |
| 324 | + namespace."; |
| 325 | + } |
| 326 | + enum data { |
| 327 | + value 3; |
| 328 | + description |
| 329 | + "The namespace for all data nodes, as defined in |
| 330 | + YANG."; |
| 331 | + } |
| 332 | + } |
| 333 | + description |
| 334 | + "Namespace of the YANG item for this mapping entry."; |
| 335 | + } |
| 336 | + |
| 337 | + leaf identifier { |
| 338 | + type union { |
| 339 | + type yang:yang-identifier; |
| 340 | + type schema-node-path; |
| 341 | + } |
| 342 | + description |
| 343 | + "String identifier of the YANG item for this mapping |
| 344 | + entry. |
| 345 | +
|
| 346 | + If the corresponding 'namespace' field is 'module', |
| 347 | + 'feature', or 'identity', then this field MUST |
| 348 | + contain a valid YANG identifier string. |
| 349 | +
|
| 350 | + If the corresponding 'namespace' field is 'data', |
| 351 | + then this field MUST contain a valid schema-node |
| 352 | + path."; |
| 353 | + } |
| 354 | + |
| 355 | + leaf sid { |
| 356 | + type sid; |
| 357 | + mandatory true; |
| 358 | + description |
| 359 | + "YANG SID assigned to the YANG item for this mapping |
| 360 | + entry."; |
| 361 | + } |
| 362 | + } |
| 363 | + } |
| 364 | +} |
0 commit comments