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 = "^[ -~]+$"
  30 nameshort_schema = {"type": "string", "minLength": 1, "maxLength": 60, "pattern": "^[^,;()\\.\\$'\"]+$"}
  31 passwd_schema = {"type": "string", "minLength": 1, "maxLength": 60}
  32 name_schema = {"type": "string", "minLength": 1, "maxLength": 255, "pattern": "^[^,;()'\"]+$"}
  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         "^\\$": "Any"
  73     },
  74     "additionalProperties": False,
  75     "minProperties": 1,
  76 }
  77 nameshort_list_schema = {
  78     "type": "array",
  79     "minItems": 1,
  80     "items": nameshort_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 ns_instantiate = {
 205     "title": "ns action instantiate input schema",
 206     "$schema": "http://json-schema.org/draft-04/schema#",
 207     "type": "object",
 208     "properties": {
 209         "lcmOperationType": string_schema,
 210         "nsInstanceId": id_schema,
 211         "netsliceInstanceId": id_schema,
 212         "nsName": name_schema,
 213         "nsDescription": {"oneOf": [description_schema, {"type": "null"}]},
 214         "nsdId": id_schema,
 215         "vimAccountId": id_schema,
 216         "additionalParamsForNs": object_schema,
 217         "additionalParamsForVnf": {
 218             "type": "array",
 219             "items": {
 220                 "type": "object",
 221                 "properties": {
 222                     "member-vnf-index": name_schema,
 223                     "additionalParams": object_schema,
 224                 },
 225                 "required": ["member-vnf-index", "additionalParams"]
 226             }
 227         },
 228         "ssh_keys": {"type": "array", "items": {"type": "string"}},
 229         "nsr_id": id_schema,
 230         "vduImage": name_schema,
 231         "vnf": {
 232             "type": "array",
 233             "minItems": 1,
 234             "items": {
 235                 "type": "object",
 236                 "properties": {
 237                     "member-vnf-index": name_schema,
 238                     "vimAccountId": id_schema,
 239                     "vdu": {
 240                         "type": "array",
 241                         "minItems": 1,
 242                         "items": ns_instantiate_vdu,
 243                     },
 244                     "internal-vld": {
 245                         "type": "array",
 246                         "minItems": 1,
 247                         "items": ns_instantiate_internal_vld
 248                     }
 249                 },
 250                 "required": ["member-vnf-index"],
 251                 "minProperties": 2,
 252                 "additionalProperties": False
 253             }
 254         },
 255         "vld": {
 256             "type": "array",
 257             "minItems": 1,
 258             "items": {
 259                 "type": "object",
 260                 "properties": {
 261                     "name": string_schema,
 262                     "vim-network-name": {"OneOf": [string_schema, object_schema]},
 263                     "vim-network-id": {"OneOf": [string_schema, object_schema]},
 264                     "ip-profile": object_schema,
 265                     "vnfd-connection-point-ref": {
 266                         "type": "array",
 267                         "minItems": 1,
 268                         "items": {
 269                             "type": "object",
 270                             "properties": {
 271                                 "member-vnf-index-ref": name_schema,
 272                                 "vnfd-connection-point-ref": name_schema,
 273                                 "ip-address": ip_schema,
 274                                 # "mac-address": mac_schema,
 275                             },
 276                             "required": ["member-vnf-index-ref", "vnfd-connection-point-ref"],
 277                             "minProperties": 3,
 278                             "additionalProperties": False
 279                         },
 280                     }
 281                 },
 282                 "required": ["name"],
 283                 "additionalProperties": False
 284             }
 285         },
 286     },
 287     "required": ["nsName", "nsdId", "vimAccountId"],
 288     "additionalProperties": False
 289 }
 290
 291 ns_action = {   # TODO for the moment it is only contemplated the vnfd primitive execution
 292     "title": "ns action input schema",
 293     "$schema": "http://json-schema.org/draft-04/schema#",
 294     "type": "object",
 295     "properties": {
 296         "lcmOperationType": string_schema,
 297         "nsInstanceId": id_schema,
 298         "member_vnf_index": name_schema,
 299         "vnf_member_index": name_schema,  # TODO for backward compatibility. To remove in future
 300         "vdu_id": name_schema,
 301         "primitive": name_schema,
 302         "primitive_params": {"type": "object"},
 303     },
 304     "required": ["primitive", "primitive_params"],   # TODO add member_vnf_index
 305     "additionalProperties": False
 306 }
 307 ns_scale = {   # TODO for the moment it is only VDU-scaling
 308     "title": "ns scale input schema",
 309     "$schema": "http://json-schema.org/draft-04/schema#",
 310     "type": "object",
 311     "properties": {
 312         "lcmOperationType": string_schema,
 313         "nsInstanceId": id_schema,
 314         "scaleType": {"enum": ["SCALE_VNF"]},
 315         "scaleVnfData": {
 316             "type": "object",
 317             "properties": {
 318                 "vnfInstanceId": name_schema,
 319                 "scaleVnfType": {"enum": ["SCALE_OUT", 'SCALE_IN']},
 320                 "scaleByStepData": {
 321                     "type": "object",
 322                     "properties": {
 323                         "scaling-group-descriptor": name_schema,
 324                         "member-vnf-index": name_schema,
 325                         "scaling-policy": name_schema,
 326                     },
 327                     "required": ["scaling-group-descriptor", "member-vnf-index"],
 328                     "additionalProperties": False
 329                 },
 330             },
 331             "required": ["scaleVnfType", "scaleByStepData"],  # vnfInstanceId
 332             "additionalProperties": False
 333         },
 334         "scaleTime": time_schema,
 335     },
 336     "required": ["scaleType", "scaleVnfData"],
 337     "additionalProperties": False
 338 }
 339
 340
 341 schema_version = {"type": "string", "enum": ["1.0"]}
 342 schema_type = {"type": "string"}
 343 vim_account_edit_schema = {
 344     "title": "vim_account edit input schema",
 345     "$schema": "http://json-schema.org/draft-04/schema#",
 346     "type": "object",
 347     "properties": {
 348         "name": name_schema,
 349         "description": description_schema,
 350         "type": nameshort_schema,
 351         "vim": name_schema,
 352         "datacenter": name_schema,
 353         "vim_url": description_schema,
 354         "vim_url_admin": description_schema,
 355         "vim_tenant": name_schema,
 356         "vim_tenant_name": name_schema,
 357         "vim_username": nameshort_schema,
 358         "vim_password": passwd_schema,
 359         "config": {"type": "object"}
 360     },
 361     "additionalProperties": False
 362 }
 363
 364 vim_account_new_schema = {
 365     "title": "vim_account creation input schema",
 366     "$schema": "http://json-schema.org/draft-04/schema#",
 367     "type": "object",
 368     "properties": {
 369         "schema_version": schema_version,
 370         "schema_type": schema_type,
 371         "name": name_schema,
 372         "description": description_schema,
 373         "vim": name_schema,
 374         "datacenter": name_schema,
 375         "vim_type": {"enum": ["openstack", "openvim", "vmware", "opennebula", "aws"]},
 376         "vim_url": description_schema,
 377         # "vim_url_admin": description_schema,
 378         # "vim_tenant": name_schema,
 379         "vim_tenant_name": name_schema,
 380         "vim_user": nameshort_schema,
 381         "vim_password": passwd_schema,
 382         "config": {"type": "object"}
 383     },
 384     "required": ["name", "vim_url", "vim_type", "vim_user", "vim_password", "vim_tenant_name"],
 385     "additionalProperties": False
 386 }
 387
 388 wim_account_edit_schema = {
 389     "title": "wim_account edit input schema",
 390     "$schema": "http://json-schema.org/draft-04/schema#",
 391     "type": "object",
 392     "properties": {
 393         "name": name_schema,
 394         "description": description_schema,
 395         "type": nameshort_schema,
 396         "wim": name_schema,
 397         "wim_url": description_schema,
 398         "user": nameshort_schema,
 399         "password": passwd_schema,
 400         "config": {"type": "object"}
 401     },
 402     "additionalProperties": False
 403 }
 404
 405 wim_account_new_schema = {
 406     "title": "wim_account creation input schema",
 407     "$schema": "http://json-schema.org/draft-04/schema#",
 408     "type": "object",
 409     "properties": {
 410         "schema_version": schema_version,
 411         "schema_type": schema_type,
 412         "name": name_schema,
 413         "description": description_schema,
 414         "wim": name_schema,
 415         "wim_type": {"enum": ["tapi", "onos", "odl", "dynpac"]},
 416         "wim_url": description_schema,
 417         "user": nameshort_schema,
 418         "password": passwd_schema,
 419         "config": {"type": "object"}
 420     },
 421     "required": ["name", "wim_url", "wim_type"],
 422     "additionalProperties": False
 423 }
 424
 425 sdn_properties = {
 426     "name": name_schema,
 427     "description": description_schema,
 428     "dpid": dpid_Schema,
 429     "ip": ip_schema,
 430     "port": port_schema,
 431     "type": {"type": "string", "enum": ["opendaylight", "floodlight", "onos"]},
 432     "version": {"type": "string", "minLength": 1, "maxLength": 12},
 433     "user": nameshort_schema,
 434     "password": passwd_schema
 435 }
 436 sdn_new_schema = {
 437     "title": "sdn controller information schema",
 438     "$schema": "http://json-schema.org/draft-04/schema#",
 439     "type": "object",
 440     "properties": sdn_properties,
 441     "required": ["name", "port", 'ip', 'dpid', 'type'],
 442     "additionalProperties": False
 443 }
 444 sdn_edit_schema = {
 445     "title": "sdn controller update information schema",
 446     "$schema": "http://json-schema.org/draft-04/schema#",
 447     "type": "object",
 448     "properties": sdn_properties,
 449     # "required": ["name", "port", 'ip', 'dpid', 'type'],
 450     "additionalProperties": False
 451 }
 452 sdn_port_mapping_schema = {
 453     "$schema": "http://json-schema.org/draft-04/schema#",
 454     "title": "sdn port mapping information schema",
 455     "type": "array",
 456     "items": {
 457         "type": "object",
 458         "properties": {
 459             "compute_node": nameshort_schema,
 460             "ports": {
 461                 "type": "array",
 462                 "items": {
 463                     "type": "object",
 464                     "properties": {
 465                         "pci": pci_extended_schema,
 466                         "switch_port": nameshort_schema,
 467                         "switch_mac": mac_schema
 468                     },
 469                     "required": ["pci"]
 470                 }
 471             }
 472         },
 473         "required": ["compute_node", "ports"]
 474     }
 475 }
 476 sdn_external_port_schema = {
 477     "$schema": "http://json-schema.org/draft-04/schema#",
 478     "title": "External port information",
 479     "type": "object",
 480     "properties": {
 481         "port": {"type": "string", "minLength": 1, "maxLength": 60},
 482         "vlan": vlan_schema,
 483         "mac": mac_schema
 484     },
 485     "required": ["port"]
 486 }
 487
 488 # PDUs
 489 pdu_interface = {
 490     "type": "object",
 491     "properties": {
 492         "name": nameshort_schema,
 493         "mgmt": bool_schema,
 494         "type": {"enum": ["overlay", 'underlay']},
 495         "ip-address": ip_schema,
 496         # TODO, add user, password, ssh-key
 497         "mac-address": mac_schema,
 498         "vim-network-name": nameshort_schema,  # interface is connected to one vim network, or switch port
 499         "vim-network-id": nameshort_schema,
 500         # # provide this in case SDN assist must deal with this interface
 501         # "switch-dpid": dpid_Schema,
 502         # "switch-port": nameshort_schema,
 503         # "switch-mac": nameshort_schema,
 504         # "switch-vlan": vlan_schema,
 505     },
 506     "required": ["name", "mgmt", "ip-address"],
 507     "additionalProperties": False
 508 }
 509 pdu_new_schema = {
 510     "title": "pdu creation input schema",
 511     "$schema": "http://json-schema.org/draft-04/schema#",
 512     "type": "object",
 513     "properties": {
 514         "name": nameshort_schema,
 515         "type": nameshort_schema,
 516         "description": description_schema,
 517         "shared": bool_schema,
 518         "vims": nameshort_list_schema,
 519         "vim_accounts": nameshort_list_schema,
 520         "interfaces": {
 521             "type": "array",
 522             "items": pdu_interface,
 523             "minItems": 1
 524         }
 525     },
 526     "required": ["name", "type", "interfaces"],
 527     "additionalProperties": False
 528 }
 529
 530 pdu_edit_schema = {
 531     "title": "pdu edit input schema",
 532     "$schema": "http://json-schema.org/draft-04/schema#",
 533     "type": "object",
 534     "properties": {
 535         "name": nameshort_schema,
 536         "type": nameshort_schema,
 537         "description": description_schema,
 538         "shared": bool_schema,
 539         "vims": {"oneOf": [array_edition_schema, nameshort_list_schema]},
 540         "vim_accounts": {"oneOf": [array_edition_schema, nameshort_list_schema]},
 541         "interfaces": {"oneOf": [
 542             array_edition_schema,
 543             {
 544                 "type": "array",
 545                 "items": pdu_interface,
 546                 "minItems": 1
 547             }
 548         ]}
 549     },
 550     "additionalProperties": False,
 551     "minProperties": 1
 552 }
 553
 554 # USERS
 555 user_new_schema = {
 556     "$schema": "http://json-schema.org/draft-04/schema#",
 557     "title": "New user schema",
 558     "type": "object",
 559     "properties": {
 560         "username": nameshort_schema,
 561         "password": passwd_schema,
 562         "projects": nameshort_list_schema,
 563     },
 564     "required": ["username", "password", "projects"],
 565     "additionalProperties": False
 566 }
 567 user_edit_schema = {
 568     "$schema": "http://json-schema.org/draft-04/schema#",
 569     "title": "User edit schema for administrators",
 570     "type": "object",
 571     "properties": {
 572         "password": passwd_schema,
 573         "projects": {
 574             "oneOf": [
 575                 nameshort_list_schema,
 576                 array_edition_schema
 577             ]
 578         },
 579     },
 580     "minProperties": 1,
 581     "additionalProperties": False
 582 }
 583
 584 # PROJECTS
 585 project_new_schema = {
 586     "$schema": "http://json-schema.org/draft-04/schema#",
 587     "title": "New project schema for administrators",
 588     "type": "object",
 589     "properties": {
 590         "name": nameshort_schema,
 591         "admin": bool_schema,
 592     },
 593     "required": ["name"],
 594     "additionalProperties": False
 595 }
 596 project_edit_schema = {
 597     "$schema": "http://json-schema.org/draft-04/schema#",
 598     "title": "Project edit schema for administrators",
 599     "type": "object",
 600     "properties": {
 601         "admin": bool_schema,
 602     },
 603     "additionalProperties": False,
 604     "minProperties": 1
 605 }
 606
 607 # GLOBAL SCHEMAS
 608
 609 nbi_new_input_schemas = {
 610     "users": user_new_schema,
 611     "projects": project_new_schema,
 612     "vim_accounts": vim_account_new_schema,
 613     "sdns": sdn_new_schema,
 614     "ns_instantiate": ns_instantiate,
 615     "ns_action": ns_action,
 616     "ns_scale": ns_scale,
 617     "pdus": pdu_new_schema,
 618 }
 619
 620 nbi_edit_input_schemas = {
 621     "users": user_edit_schema,
 622     "projects": project_edit_schema,
 623     "vim_accounts": vim_account_edit_schema,
 624     "sdns": sdn_edit_schema,
 625     "pdus": pdu_edit_schema,
 626 }
 627
 628 # NETSLICE SCHEMAS
 629 nsi_slice_instantiate = deepcopy(ns_instantiate)
 630 nsi_slice_instantiate["title"] = "netslice subnet instantiation params input schema"
 631 nsi_slice_instantiate["properties"]["id"] = name_schema
 632 del nsi_slice_instantiate["required"]
 633
 634 nsi_vld_instantiate = {
 635     "title": "netslice vld instantiation params input schema",
 636     "$schema": "http://json-schema.org/draft-04/schema#",
 637     "type": "object",
 638     "properties": {
 639         "name": string_schema,
 640         "vim-network-name": {"OneOf": [string_schema, object_schema]},
 641         "vim-network-id": {"OneOf": [string_schema, object_schema]},
 642         "ip-profile": object_schema,
 643     },
 644     "required": ["name"],
 645     "additionalProperties": False
 646 }
 647
 648 nsi_instantiate = {
 649     "title": "netslice action instantiate input schema",
 650     "$schema": "http://json-schema.org/draft-04/schema#",
 651     "type": "object",
 652     "properties": {
 653         "lcmOperationType": string_schema,
 654         "nsiInstanceId": id_schema,
 655         "nsiName": name_schema,
 656         "nsiDescription": {"oneOf": [description_schema, {"type": "null"}]},
 657         "nstId": string_schema,
 658         "vimAccountId": id_schema,
 659         "ssh_keys": {"type": "string"},
 660         "nsi_id": id_schema,
 661         "netslice-subnet": {
 662             "type": "array",
 663             "minItems": 1,
 664             "items": nsi_slice_instantiate
 665         },
 666         "netslice-vld": {
 667             "type": "array",
 668             "minItems": 1,
 669             "items": nsi_vld_instantiate
 670         },
 671     },
 672     "required": ["nsiName", "nstId", "vimAccountId"],
 673     "additionalProperties": False
 674 }
 675
 676 nsi_action = {
 677
 678 }
 679
 680 nsi_terminate = {
 681
 682 }
 683
 684
 685 class ValidationError(Exception):
 686     def __init__(self, message, http_code=HTTPStatus.UNPROCESSABLE_ENTITY):
 687         self.http_code = http_code
 688         Exception.__init__(self, message)
 689
 690
 691 def validate_input(indata, schema_to_use):
 692     """
 693     Validates input data against json schema
 694     :param indata: user input data. Should be a dictionary
 695     :param schema_to_use: jsonschema to test
 696     :return: None if ok, raises ValidationError exception on error
 697     """
 698     try:
 699         if schema_to_use:
 700             js_v(indata, schema_to_use)
 701         return None
 702     except js_e.ValidationError as e:
 703         if e.path:
 704             error_pos = "at '" + ":".join(map(str, e.path)) + "'"
 705         else:
 706             error_pos = ""
 707         raise ValidationError("Format error {} '{}' ".format(error_pos, e.message))
 708     except js_e.SchemaError:
 709         raise ValidationError("Bad json schema {}".format(schema_to_use), http_code=HTTPStatus.INTERNAL_SERVER_ERROR)