osm_nbi/validation.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #    http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  12 # implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 from jsonschema import validate as js_v, exceptions as js_e
  17 from http import HTTPStatus
  18 from copy import deepcopy
  19
  20 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
  21 __version__ = "0.1"
  22 version_date = "Mar 2018"
  23
  24 """
  25 Validator of input data using JSON schemas for those items that not contains an  OSM yang information model
  26 """
  27
  28 # Basis schemas
  29 patern_name = "^[ -~]+$"
  30 shortname_schema = {"type": "string", "minLength": 1, "maxLength": 60, "pattern": "^[^,;()\\.\\$'\"]+$"}
  31 passwd_schema = {"type": "string", "minLength": 1, "maxLength": 60}
  32 name_schema = {"type": "string", "minLength": 1, "maxLength": 255, "pattern": "^[^,;()'\"]+$"}
  33 string_schema = {"type": "string", "minLength": 1, "maxLength": 255}
  34 xml_text_schema = {"type": "string", "minLength": 1, "maxLength": 1000, "pattern": "^[^']+$"}
  35 description_schema = {"type": ["string", "null"], "maxLength": 255, "pattern": "^[^'\"]+$"}
  36 id_schema_fake = {"type": "string", "minLength": 2, "maxLength": 36}
  37 bool_schema = {"type": "boolean"}
  38 null_schema = {"type": "null"}
  39 # "pattern": "^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$"
  40 id_schema = {"type": "string", "pattern": "^[a-fA-F0-9]{8}(-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}$"}
  41 time_schema = {"type": "string", "pattern": "^[0-9]{4}-[0-1][0-9]-[0-3][0-9]T[0-2][0-9]([0-5]:){2}"}
  42 pci_schema = {"type": "string", "pattern": "^[0-9a-fA-F]{4}(:[0-9a-fA-F]{2}){2}\\.[0-9a-fA-F]$"}
  43 # allows [] for wildcards. For that reason huge length limit is set
  44 pci_extended_schema = {"type": "string", "pattern": "^[0-9a-fA-F.:-\\[\\]]{12,40}$"}
  45 http_schema = {"type": "string", "pattern": "^https?://[^'\"=]+$"}
  46 bandwidth_schema = {"type": "string", "pattern": "^[0-9]+ *([MG]bps)?$"}
  47 memory_schema = {"type": "string", "pattern": "^[0-9]+ *([MG]i?[Bb])?$"}
  48 integer0_schema = {"type": "integer", "minimum": 0}
  49 integer1_schema = {"type": "integer", "minimum": 1}
  50 path_schema = {"type": "string", "pattern": "^(\\.){0,2}(/[^/\"':{}\\(\\)]+)+$"}
  51 vlan_schema = {"type": "integer", "minimum": 1, "maximum": 4095}
  52 vlan1000_schema = {"type": "integer", "minimum": 1000, "maximum": 4095}
  53 mac_schema = {"type": "string",
  54               "pattern": "^[0-9a-fA-F][02468aceACE](:[0-9a-fA-F]{2}){5}$"}  # must be unicast: LSB bit of MSB byte ==0
  55 dpid_Schema = {"type": "string", "pattern": "^[0-9a-fA-F]{2}(:[0-9a-fA-F]{2}){7}$"}
  56 # mac_schema={"type":"string", "pattern":"^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$"}
  57 ip_schema = {"type": "string",
  58              "pattern": "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"}
  59 ip_prefix_schema = {"type": "string",
  60                     "pattern": "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}"
  61                                "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/(30|[12]?[0-9])$"}
  62 port_schema = {"type": "integer", "minimum": 1, "maximum": 65534}
  63 object_schema = {"type": "object"}
  64 schema_version_2 = {"type": "integer", "minimum": 2, "maximum": 2}
  65 # schema_version_string={"type":"string","enum": ["0.1", "2", "0.2", "3", "0.3"]}
  66 log_level_schema = {"type": "string", "enum": ["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]}
  67 checksum_schema = {"type": "string", "pattern": "^[0-9a-fA-F]{32}$"}
  68 size_schema = {"type": "integer", "minimum": 1, "maximum": 100}
  69 array_edition_schema = {
  70     "type": "object",
  71     "patternProperties": {
  72         "^\\$": {}
  73     },
  74     "additionalProperties": False,
  75     "minProperties": 1,
  76 }
  77 nameshort_list_schema = {
  78     "type": "array",
  79     "minItems": 1,
  80     "items": shortname_schema,
  81 }
  82
  83
  84 ns_instantiate_vdu = {
  85     "title": "ns action instantiate input schema for vdu",
  86     "$schema": "http://json-schema.org/draft-04/schema#",
  87     "type": "object",
  88     "properties": {
  89         "id": name_schema,
  90         "volume": {
  91             "type": "array",
  92             "minItems": 1,
  93             "items": {
  94                 "type": "object",
  95                 "properties": {
  96                     "name": name_schema,
  97                     "vim-volume-id": name_schema,
  98                 },
  99                 "required": ["name", "vim-volume-id"],
 100                 "additionalProperties": False
 101             }
 102         },
 103         "interface": {
 104             "type": "array",
 105             "minItems": 1,
 106             "items": {
 107                 "type": "object",
 108                 "properties": {
 109                     "name": name_schema,
 110                     "ip-address": ip_schema,
 111                     "mac-address": mac_schema,
 112                     "floating-ip-required": bool_schema,
 113                 },
 114                 "required": ["name"],
 115                 "additionalProperties": False
 116             }
 117         }
 118     },
 119     "required": ["id"],
 120     "additionalProperties": False
 121 }
 122
 123 ip_profile_dns_schema = {
 124     "type": "array",
 125     "minItems": 1,
 126     "items": {
 127         "type": "object",
 128         "properties": {
 129             "address": ip_schema,
 130         },
 131         "required": ["address"],
 132         "additionalProperties": False
 133     }
 134 }
 135
 136 ip_profile_dhcp_schema = {
 137     "type": "object",
 138     "properties": {
 139         "enabled": {"type": "boolean"},
 140         "count": integer1_schema,
 141         "start-address": ip_schema
 142     },
 143     "additionalProperties": False,
 144 }
 145
 146 ip_profile_schema = {
 147     "title": "ip profile validation schame",
 148     "$schema": "http://json-schema.org/draft-04/schema#",
 149     "type": "object",
 150     "properties": {
 151         "ip-version": {"enum": ["ipv4", "ipv6"]},
 152         "subnet-address": ip_prefix_schema,
 153         "gateway-address": ip_schema,
 154         "dns-server": ip_profile_dns_schema,
 155         "dhcp-params": ip_profile_dhcp_schema,
 156     }
 157 }
 158
 159 ip_profile_update_schema = {
 160     "title": "ip profile validation schame",
 161     "$schema": "http://json-schema.org/draft-04/schema#",
 162     "type": "object",
 163     "properties": {
 164         "ip-version": {"enum": ["ipv4", "ipv6"]},
 165         "subnet-address": {"oneOf": [null_schema, ip_prefix_schema]},
 166         "gateway-address": {"oneOf": [null_schema, ip_schema]},
 167         "dns-server": {"oneOf": [null_schema, ip_profile_dns_schema]},
 168
 169         "dhcp-params": {"oneOf": [null_schema, ip_profile_dhcp_schema]},
 170     },
 171     "additionalProperties": False
 172 }
 173
 174 ns_instantiate_internal_vld = {
 175     "title": "ns action instantiate input schema for vdu",
 176     "$schema": "http://json-schema.org/draft-04/schema#",
 177     "type": "object",
 178     "properties": {
 179         "name": name_schema,
 180         "vim-network-name": name_schema,
 181         "vim-network-id": name_schema,
 182         "ip-profile": ip_profile_update_schema,
 183         "internal-connection-point": {
 184             "type": "array",
 185             "minItems": 1,
 186             "items": {
 187                 "type": "object",
 188                 "properties": {
 189                     "id-ref": name_schema,
 190                     "ip-address": ip_schema,
 191                     # "mac-address": mac_schema,
 192                 },
 193                 "required": ["id-ref"],
 194                 "minProperties": 2,
 195                 "additionalProperties": False
 196             },
 197         }
 198     },
 199     "required": ["name"],
 200     "minProperties": 2,
 201     "additionalProperties": False
 202 }
 203
 204 additional_params_for_vnf = {
 205     "type": "array",
 206     "items": {
 207         "type": "object",
 208         "properties": {
 209             "member-vnf-index": name_schema,
 210             "additionalParams": object_schema,
 211         },
 212         "required": ["member-vnf-index", "additionalParams"],
 213         "additionalProperties": False
 214     }
 215
 216 }
 217
 218 ns_instantiate = {
 219     "title": "ns action instantiate input schema",
 220     "$schema": "http://json-schema.org/draft-04/schema#",
 221     "type": "object",
 222     "properties": {
 223         "lcmOperationType": string_schema,
 224         "nsInstanceId": id_schema,
 225         "netsliceInstanceId": id_schema,
 226         "nsName": name_schema,
 227         "nsDescription": {"oneOf": [description_schema, {"type": "null"}]},
 228         "nsdId": id_schema,
 229         "vimAccountId": id_schema,
 230         "additionalParamsForNs": object_schema,
 231         "additionalParamsForVnf": additional_params_for_vnf,
 232         "ssh_keys": {"type": "array", "items": {"type": "string"}},
 233         "nsr_id": id_schema,
 234         "vduImage": name_schema,
 235         "vnf": {
 236             "type": "array",
 237             "minItems": 1,
 238             "items": {
 239                 "type": "object",
 240                 "properties": {
 241                     "member-vnf-index": name_schema,
 242                     "vimAccountId": id_schema,
 243                     "vdu": {
 244                         "type": "array",
 245                         "minItems": 1,
 246                         "items": ns_instantiate_vdu,
 247                     },
 248                     "internal-vld": {
 249                         "type": "array",
 250                         "minItems": 1,
 251                         "items": ns_instantiate_internal_vld
 252                     }
 253                 },
 254                 "required": ["member-vnf-index"],
 255                 "minProperties": 2,
 256                 "additionalProperties": False
 257             }
 258         },
 259         "vld": {
 260             "type": "array",
 261             "minItems": 1,
 262             "items": {
 263                 "type": "object",
 264                 "properties": {
 265                     "name": string_schema,
 266                     "vim-network-name": {"OneOf": [string_schema, object_schema]},
 267                     "vim-network-id": {"OneOf": [string_schema, object_schema]},
 268                     "ip-profile": object_schema,
 269                     "vnfd-connection-point-ref": {
 270                         "type": "array",
 271                         "minItems": 1,
 272                         "items": {
 273                             "type": "object",
 274                             "properties": {
 275                                 "member-vnf-index-ref": name_schema,
 276                                 "vnfd-connection-point-ref": name_schema,
 277                                 "ip-address": ip_schema,
 278                                 # "mac-address": mac_schema,
 279                             },
 280                             "required": ["member-vnf-index-ref", "vnfd-connection-point-ref"],
 281                             "minProperties": 3,
 282                             "additionalProperties": False
 283                         },
 284                     }
 285                 },
 286                 "required": ["name"],
 287                 "additionalProperties": False
 288             }
 289         },
 290     },
 291     "required": ["nsName", "nsdId", "vimAccountId"],
 292     "additionalProperties": False
 293 }
 294
 295 ns_action = {   # TODO for the moment it is only contemplated the vnfd primitive execution
 296     "title": "ns action input schema",
 297     "$schema": "http://json-schema.org/draft-04/schema#",
 298     "type": "object",
 299     "properties": {
 300         "lcmOperationType": string_schema,
 301         "nsInstanceId": id_schema,
 302         "member_vnf_index": name_schema,
 303         "vnf_member_index": name_schema,  # TODO for backward compatibility. To remove in future
 304         "vdu_id": name_schema,
 305         "primitive": name_schema,
 306         "primitive_params": {"type": "object"},
 307     },
 308     "required": ["primitive", "primitive_params"],   # TODO add member_vnf_index
 309     "additionalProperties": False
 310 }
 311 ns_scale = {   # TODO for the moment it is only VDU-scaling
 312     "title": "ns scale input schema",
 313     "$schema": "http://json-schema.org/draft-04/schema#",
 314     "type": "object",
 315     "properties": {
 316         "lcmOperationType": string_schema,
 317         "nsInstanceId": id_schema,
 318         "scaleType": {"enum": ["SCALE_VNF"]},
 319         "scaleVnfData": {
 320             "type": "object",
 321             "properties": {
 322                 "vnfInstanceId": name_schema,
 323                 "scaleVnfType": {"enum": ["SCALE_OUT", 'SCALE_IN']},
 324                 "scaleByStepData": {
 325                     "type": "object",
 326                     "properties": {
 327                         "scaling-group-descriptor": name_schema,
 328                         "member-vnf-index": name_schema,
 329                         "scaling-policy": name_schema,
 330                     },
 331                     "required": ["scaling-group-descriptor", "member-vnf-index"],
 332                     "additionalProperties": False
 333                 },
 334             },
 335             "required": ["scaleVnfType", "scaleByStepData"],  # vnfInstanceId
 336             "additionalProperties": False
 337         },
 338         "scaleTime": time_schema,
 339     },
 340     "required": ["scaleType", "scaleVnfData"],
 341     "additionalProperties": False
 342 }
 343
 344
 345 schema_version = {"type": "string", "enum": ["1.0"]}
 346 schema_type = {"type": "string"}
 347 vim_account_edit_schema = {
 348     "title": "vim_account edit input schema",
 349     "$schema": "http://json-schema.org/draft-04/schema#",
 350     "type": "object",
 351     "properties": {
 352         "name": name_schema,
 353         "description": description_schema,
 354         "type": shortname_schema,
 355         "vim": name_schema,
 356         "datacenter": name_schema,
 357         "vim_url": description_schema,
 358         "vim_url_admin": description_schema,
 359         "vim_tenant": name_schema,
 360         "vim_tenant_name": name_schema,
 361         "vim_username": shortname_schema,
 362         "vim_password": passwd_schema,
 363         "config": {"type": "object"}
 364     },
 365     "additionalProperties": False
 366 }
 367
 368 vim_account_new_schema = {
 369     "title": "vim_account creation input schema",
 370     "$schema": "http://json-schema.org/draft-04/schema#",
 371     "type": "object",
 372     "properties": {
 373         "schema_version": schema_version,
 374         "schema_type": schema_type,
 375         "name": name_schema,
 376         "description": description_schema,
 377         "vim": name_schema,
 378         "datacenter": name_schema,
 379         "vim_type": {"enum": ["openstack", "openvim", "vmware", "opennebula", "aws"]},
 380         "vim_url": description_schema,
 381         # "vim_url_admin": description_schema,
 382         # "vim_tenant": name_schema,
 383         "vim_tenant_name": name_schema,
 384         "vim_user": shortname_schema,
 385         "vim_password": passwd_schema,
 386         "config": {"type": "object"}
 387     },
 388     "required": ["name", "vim_url", "vim_type", "vim_user", "vim_password", "vim_tenant_name"],
 389     "additionalProperties": False
 390 }
 391
 392 wim_account_edit_schema = {
 393     "title": "wim_account edit input schema",
 394     "$schema": "http://json-schema.org/draft-04/schema#",
 395     "type": "object",
 396     "properties": {
 397         "name": name_schema,
 398         "description": description_schema,
 399         "type": shortname_schema,
 400         "wim": name_schema,
 401         "wim_url": description_schema,
 402         "user": shortname_schema,
 403         "password": passwd_schema,
 404         "config": {"type": "object"}
 405     },
 406     "additionalProperties": False
 407 }
 408
 409 wim_account_new_schema = {
 410     "title": "wim_account creation input schema",
 411     "$schema": "http://json-schema.org/draft-04/schema#",
 412     "type": "object",
 413     "properties": {
 414         "schema_version": schema_version,
 415         "schema_type": schema_type,
 416         "name": name_schema,
 417         "description": description_schema,
 418         "wim": name_schema,
 419         "wim_type": {"enum": ["tapi", "onos", "odl", "dynpac"]},
 420         "wim_url": description_schema,
 421         "user": shortname_schema,
 422         "password": passwd_schema,
 423         "config": {"type": "object"}
 424     },
 425     "required": ["name", "wim_url", "wim_type"],
 426     "additionalProperties": False
 427 }
 428
 429 sdn_properties = {
 430     "name": name_schema,
 431     "description": description_schema,
 432     "dpid": dpid_Schema,
 433     "ip": ip_schema,
 434     "port": port_schema,
 435     "type": {"type": "string", "enum": ["opendaylight", "floodlight", "onos"]},
 436     "version": {"type": "string", "minLength": 1, "maxLength": 12},
 437     "user": shortname_schema,
 438     "password": passwd_schema
 439 }
 440 sdn_new_schema = {
 441     "title": "sdn controller information schema",
 442     "$schema": "http://json-schema.org/draft-04/schema#",
 443     "type": "object",
 444     "properties": sdn_properties,
 445     "required": ["name", "port", 'ip', 'dpid', 'type'],
 446     "additionalProperties": False
 447 }
 448 sdn_edit_schema = {
 449     "title": "sdn controller update information schema",
 450     "$schema": "http://json-schema.org/draft-04/schema#",
 451     "type": "object",
 452     "properties": sdn_properties,
 453     # "required": ["name", "port", 'ip', 'dpid', 'type'],
 454     "additionalProperties": False
 455 }
 456 sdn_port_mapping_schema = {
 457     "$schema": "http://json-schema.org/draft-04/schema#",
 458     "title": "sdn port mapping information schema",
 459     "type": "array",
 460     "items": {
 461         "type": "object",
 462         "properties": {
 463             "compute_node": shortname_schema,
 464             "ports": {
 465                 "type": "array",
 466                 "items": {
 467                     "type": "object",
 468                     "properties": {
 469                         "pci": pci_extended_schema,
 470                         "switch_port": shortname_schema,
 471                         "switch_mac": mac_schema
 472                     },
 473                     "required": ["pci"]
 474                 }
 475             }
 476         },
 477         "required": ["compute_node", "ports"]
 478     }
 479 }
 480 sdn_external_port_schema = {
 481     "$schema": "http://json-schema.org/draft-04/schema#",
 482     "title": "External port information",
 483     "type": "object",
 484     "properties": {
 485         "port": {"type": "string", "minLength": 1, "maxLength": 60},
 486         "vlan": vlan_schema,
 487         "mac": mac_schema
 488     },
 489     "required": ["port"]
 490 }
 491
 492 # PDUs
 493 pdu_interface = {
 494     "type": "object",
 495     "properties": {
 496         "name": shortname_schema,
 497         "mgmt": bool_schema,
 498         "type": {"enum": ["overlay", 'underlay']},
 499         "ip-address": ip_schema,
 500         # TODO, add user, password, ssh-key
 501         "mac-address": mac_schema,
 502         "vim-network-name": shortname_schema,  # interface is connected to one vim network, or switch port
 503         "vim-network-id": shortname_schema,
 504         # # provide this in case SDN assist must deal with this interface
 505         # "switch-dpid": dpid_Schema,
 506         # "switch-port": shortname_schema,
 507         # "switch-mac": shortname_schema,
 508         # "switch-vlan": vlan_schema,
 509     },
 510     "required": ["name", "mgmt", "ip-address"],
 511     "additionalProperties": False
 512 }
 513 pdu_new_schema = {
 514     "title": "pdu creation input schema",
 515     "$schema": "http://json-schema.org/draft-04/schema#",
 516     "type": "object",
 517     "properties": {
 518         "name": shortname_schema,
 519         "type": shortname_schema,
 520         "description": description_schema,
 521         "shared": bool_schema,
 522         "vims": nameshort_list_schema,
 523         "vim_accounts": nameshort_list_schema,
 524         "interfaces": {
 525             "type": "array",
 526             "items": pdu_interface,
 527             "minItems": 1
 528         }
 529     },
 530     "required": ["name", "type", "interfaces"],
 531     "additionalProperties": False
 532 }
 533
 534 pdu_edit_schema = {
 535     "title": "pdu edit input schema",
 536     "$schema": "http://json-schema.org/draft-04/schema#",
 537     "type": "object",
 538     "properties": {
 539         "name": shortname_schema,
 540         "type": shortname_schema,
 541         "description": description_schema,
 542         "shared": bool_schema,
 543         "vims": {"oneOf": [array_edition_schema, nameshort_list_schema]},
 544         "vim_accounts": {"oneOf": [array_edition_schema, nameshort_list_schema]},
 545         "interfaces": {"oneOf": [
 546             array_edition_schema,
 547             {
 548                 "type": "array",
 549                 "items": pdu_interface,
 550                 "minItems": 1
 551             }
 552         ]}
 553     },
 554     "additionalProperties": False,
 555     "minProperties": 1
 556 }
 557
 558 # USERS
 559 user_new_schema = {
 560     "$schema": "http://json-schema.org/draft-04/schema#",
 561     "title": "New user schema",
 562     "type": "object",
 563     "properties": {
 564         "username": shortname_schema,
 565         "password": passwd_schema,
 566         "projects": nameshort_list_schema,
 567     },
 568     "required": ["username", "password", "projects"],
 569     "additionalProperties": False
 570 }
 571 user_edit_schema = {
 572     "$schema": "http://json-schema.org/draft-04/schema#",
 573     "title": "User edit schema for administrators",
 574     "type": "object",
 575     "properties": {
 576         "password": passwd_schema,
 577         "projects": {
 578             "oneOf": [
 579                 nameshort_list_schema,
 580                 array_edition_schema
 581             ]
 582         },
 583     },
 584     "minProperties": 1,
 585     "additionalProperties": False
 586 }
 587
 588 # PROJECTS
 589 project_new_schema = {
 590     "$schema": "http://json-schema.org/draft-04/schema#",
 591     "title": "New project schema for administrators",
 592     "type": "object",
 593     "properties": {
 594         "name": shortname_schema,
 595         "admin": bool_schema,
 596     },
 597     "required": ["name"],
 598     "additionalProperties": False
 599 }
 600 project_edit_schema = {
 601     "$schema": "http://json-schema.org/draft-04/schema#",
 602     "title": "Project edit schema for administrators",
 603     "type": "object",
 604     "properties": {
 605         "admin": bool_schema,
 606     },
 607     "additionalProperties": False,
 608     "minProperties": 1
 609 }
 610
 611 # GLOBAL SCHEMAS
 612
 613 nbi_new_input_schemas = {
 614     "users": user_new_schema,
 615     "projects": project_new_schema,
 616     "vim_accounts": vim_account_new_schema,
 617     "sdns": sdn_new_schema,
 618     "ns_instantiate": ns_instantiate,
 619     "ns_action": ns_action,
 620     "ns_scale": ns_scale,
 621     "pdus": pdu_new_schema,
 622 }
 623
 624 nbi_edit_input_schemas = {
 625     "users": user_edit_schema,
 626     "projects": project_edit_schema,
 627     "vim_accounts": vim_account_edit_schema,
 628     "sdns": sdn_edit_schema,
 629     "pdus": pdu_edit_schema,
 630 }
 631
 632 # NETSLICE SCHEMAS
 633 nsi_slice_instantiate = deepcopy(ns_instantiate)
 634 nsi_slice_instantiate["title"] = "netslice subnet instantiation params input schema"
 635 nsi_slice_instantiate["properties"]["id"] = name_schema
 636 nsi_slice_instantiate["properties"]["additionalParamsForNsi"] = object_schema
 637 nsi_slice_instantiate["properties"]["additionalParamsForSubnet"] = {
 638     "type": "array",
 639     "items": {
 640         "type": "object",
 641         "properties": {
 642             "id": name_schema,
 643             "additionalParamsForNs": object_schema,
 644             "additionalParamsForVnf": additional_params_for_vnf
 645         },
 646         "required": ["id"],
 647         "additionalProperties": False
 648     }
 649 }
 650 del nsi_slice_instantiate["required"]
 651 del nsi_slice_instantiate["properties"]["additionalParamsForNs"]
 652 del nsi_slice_instantiate["properties"]["additionalParamsForVnf"]
 653
 654 nsi_vld_instantiate = {
 655     "title": "netslice vld instantiation params input schema",
 656     "$schema": "http://json-schema.org/draft-04/schema#",
 657     "type": "object",
 658     "properties": {
 659         "name": string_schema,
 660         "vim-network-name": {"OneOf": [string_schema, object_schema]},
 661         "vim-network-id": {"OneOf": [string_schema, object_schema]},
 662         "ip-profile": object_schema,
 663     },
 664     "required": ["name"],
 665     "additionalProperties": False
 666 }
 667
 668 nsi_instantiate = {
 669     "title": "netslice action instantiate input schema",
 670     "$schema": "http://json-schema.org/draft-04/schema#",
 671     "type": "object",
 672     "properties": {
 673         "lcmOperationType": string_schema,
 674         "nsiInstanceId": id_schema,
 675         "nsiName": name_schema,
 676         "nsiDescription": {"oneOf": [description_schema, {"type": "null"}]},
 677         "nstId": string_schema,
 678         "vimAccountId": id_schema,
 679         "ssh_keys": {"type": "string"},
 680         "nsi_id": id_schema,
 681         "netslice-subnet": {
 682             "type": "array",
 683             "minItems": 1,
 684             "items": nsi_slice_instantiate
 685         },
 686         "netslice-vld": {
 687             "type": "array",
 688             "minItems": 1,
 689             "items": nsi_vld_instantiate
 690         },
 691     },
 692     "required": ["nsiName", "nstId", "vimAccountId"],
 693     "additionalProperties": False
 694 }
 695
 696 nsi_action = {
 697
 698 }
 699
 700 nsi_terminate = {
 701
 702 }
 703
 704
 705 class ValidationError(Exception):
 706     def __init__(self, message, http_code=HTTPStatus.UNPROCESSABLE_ENTITY):
 707         self.http_code = http_code
 708         Exception.__init__(self, message)
 709
 710
 711 def validate_input(indata, schema_to_use):
 712     """
 713     Validates input data against json schema
 714     :param indata: user input data. Should be a dictionary
 715     :param schema_to_use: jsonschema to test
 716     :return: None if ok, raises ValidationError exception on error
 717     """
 718     try:
 719         if schema_to_use:
 720             js_v(indata, schema_to_use)
 721         return None
 722     except js_e.ValidationError as e:
 723         if e.path:
 724             error_pos = "at '" + ":".join(map(str, e.path)) + "'"
 725         else:
 726             error_pos = ""
 727         raise ValidationError("Format error {} '{}' ".format(error_pos, e.message))
 728     except js_e.SchemaError:
 729         raise ValidationError("Bad json schema {}".format(schema_to_use), http_code=HTTPStatus.INTERNAL_SERVER_ERROR)