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