Bug 637 NSD-level IP Profiles not working in mgmt-network fix single for loop to...
[osm/NBI.git] / 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, null_schema]},
228 "nsdId": id_schema,
229 "vimAccountId": id_schema,
230 "wimAccountId": {"OneOf": [id_schema, bool_schema, null_schema]},
231 "additionalParamsForNs": object_schema,
232 "additionalParamsForVnf": additional_params_for_vnf,
233 "ssh_keys": {"type": "array", "items": {"type": "string"}},
234 "nsr_id": id_schema,
235 "vduImage": name_schema,
236 "vnf": {
237 "type": "array",
238 "minItems": 1,
239 "items": {
240 "type": "object",
241 "properties": {
242 "member-vnf-index": name_schema,
243 "vimAccountId": id_schema,
244 "vdu": {
245 "type": "array",
246 "minItems": 1,
247 "items": ns_instantiate_vdu,
248 },
249 "internal-vld": {
250 "type": "array",
251 "minItems": 1,
252 "items": ns_instantiate_internal_vld
253 }
254 },
255 "required": ["member-vnf-index"],
256 "minProperties": 2,
257 "additionalProperties": False
258 }
259 },
260 "vld": {
261 "type": "array",
262 "minItems": 1,
263 "items": {
264 "type": "object",
265 "properties": {
266 "name": string_schema,
267 "vim-network-name": {"OneOf": [string_schema, object_schema]},
268 "vim-network-id": {"OneOf": [string_schema, object_schema]},
269 "wimAccountId": {"OneOf": [id_schema, bool_schema, null_schema]},
270 "ip-profile": object_schema,
271 "vnfd-connection-point-ref": {
272 "type": "array",
273 "minItems": 1,
274 "items": {
275 "type": "object",
276 "properties": {
277 "member-vnf-index-ref": name_schema,
278 "vnfd-connection-point-ref": name_schema,
279 "ip-address": ip_schema,
280 # "mac-address": mac_schema,
281 },
282 "required": ["member-vnf-index-ref", "vnfd-connection-point-ref"],
283 "minProperties": 3,
284 "additionalProperties": False
285 },
286 }
287 },
288 "required": ["name"],
289 "additionalProperties": False
290 }
291 },
292 },
293 "required": ["nsName", "nsdId", "vimAccountId"],
294 "additionalProperties": False
295 }
296
297 ns_action = { # TODO for the moment it is only contemplated the vnfd primitive execution
298 "title": "ns action input schema",
299 "$schema": "http://json-schema.org/draft-04/schema#",
300 "type": "object",
301 "properties": {
302 "lcmOperationType": string_schema,
303 "nsInstanceId": id_schema,
304 "member_vnf_index": name_schema,
305 "vnf_member_index": name_schema, # TODO for backward compatibility. To remove in future
306 "vdu_id": name_schema,
307 "vdu_count_index": integer0_schema,
308 "primitive": name_schema,
309 "primitive_params": {"type": "object"},
310 },
311 "required": ["primitive", "primitive_params"], # TODO add member_vnf_index
312 "additionalProperties": False
313 }
314 ns_scale = { # TODO for the moment it is only VDU-scaling
315 "title": "ns scale input schema",
316 "$schema": "http://json-schema.org/draft-04/schema#",
317 "type": "object",
318 "properties": {
319 "lcmOperationType": string_schema,
320 "nsInstanceId": id_schema,
321 "scaleType": {"enum": ["SCALE_VNF"]},
322 "scaleVnfData": {
323 "type": "object",
324 "properties": {
325 "vnfInstanceId": name_schema,
326 "scaleVnfType": {"enum": ["SCALE_OUT", 'SCALE_IN']},
327 "scaleByStepData": {
328 "type": "object",
329 "properties": {
330 "scaling-group-descriptor": name_schema,
331 "member-vnf-index": name_schema,
332 "scaling-policy": name_schema,
333 },
334 "required": ["scaling-group-descriptor", "member-vnf-index"],
335 "additionalProperties": False
336 },
337 },
338 "required": ["scaleVnfType", "scaleByStepData"], # vnfInstanceId
339 "additionalProperties": False
340 },
341 "scaleTime": time_schema,
342 },
343 "required": ["scaleType", "scaleVnfData"],
344 "additionalProperties": False
345 }
346
347
348 schema_version = {"type": "string", "enum": ["1.0"]}
349 schema_type = {"type": "string"}
350 vim_account_edit_schema = {
351 "title": "vim_account edit input schema",
352 "$schema": "http://json-schema.org/draft-04/schema#",
353 "type": "object",
354 "properties": {
355 "name": name_schema,
356 "description": description_schema,
357 "type": shortname_schema,
358 "vim": name_schema,
359 "datacenter": name_schema,
360 "vim_url": description_schema,
361 "vim_url_admin": description_schema,
362 "vim_tenant": name_schema,
363 "vim_tenant_name": name_schema,
364 "vim_username": shortname_schema,
365 "vim_password": passwd_schema,
366 "config": {"type": "object"}
367 },
368 "additionalProperties": False
369 }
370
371 vim_account_new_schema = {
372 "title": "vim_account creation input schema",
373 "$schema": "http://json-schema.org/draft-04/schema#",
374 "type": "object",
375 "properties": {
376 "schema_version": schema_version,
377 "schema_type": schema_type,
378 "name": name_schema,
379 "description": description_schema,
380 "vim": name_schema,
381 "datacenter": name_schema,
382 "vim_type": {"enum": ["openstack", "openvim", "vmware", "opennebula", "aws"]},
383 "vim_url": description_schema,
384 # "vim_url_admin": description_schema,
385 # "vim_tenant": name_schema,
386 "vim_tenant_name": name_schema,
387 "vim_user": shortname_schema,
388 "vim_password": passwd_schema,
389 "config": {"type": "object"}
390 },
391 "required": ["name", "vim_url", "vim_type", "vim_user", "vim_password", "vim_tenant_name"],
392 "additionalProperties": False
393 }
394
395 wim_account_edit_schema = {
396 "title": "wim_account edit input schema",
397 "$schema": "http://json-schema.org/draft-04/schema#",
398 "type": "object",
399 "properties": {
400 "name": name_schema,
401 "description": description_schema,
402 "type": shortname_schema,
403 "wim": name_schema,
404 "wim_url": description_schema,
405 "user": shortname_schema,
406 "password": passwd_schema,
407 "config": {"type": "object"}
408 },
409 "additionalProperties": False
410 }
411
412 wim_account_new_schema = {
413 "title": "wim_account creation input schema",
414 "$schema": "http://json-schema.org/draft-04/schema#",
415 "type": "object",
416 "properties": {
417 "schema_version": schema_version,
418 "schema_type": schema_type,
419 "name": name_schema,
420 "description": description_schema,
421 "wim": name_schema,
422 "wim_type": {"enum": ["tapi", "onos", "odl", "dynpac"]},
423 "wim_url": description_schema,
424 "user": shortname_schema,
425 "password": passwd_schema,
426 "config": {
427 "type": "object",
428 "patternProperties": {
429 ".": {"not": {"type": "null"}}
430 }
431 }
432 },
433 "required": ["name", "wim_url", "wim_type"],
434 "additionalProperties": False
435 }
436
437 sdn_properties = {
438 "name": name_schema,
439 "description": description_schema,
440 "dpid": dpid_Schema,
441 "ip": ip_schema,
442 "port": port_schema,
443 "type": {"type": "string", "enum": ["opendaylight", "floodlight", "onos"]},
444 "version": {"type": "string", "minLength": 1, "maxLength": 12},
445 "user": shortname_schema,
446 "password": passwd_schema
447 }
448 sdn_new_schema = {
449 "title": "sdn controller information schema",
450 "$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_edit_schema = {
457 "title": "sdn controller update information schema",
458 "$schema": "http://json-schema.org/draft-04/schema#",
459 "type": "object",
460 "properties": sdn_properties,
461 # "required": ["name", "port", 'ip', 'dpid', 'type'],
462 "additionalProperties": False
463 }
464 sdn_port_mapping_schema = {
465 "$schema": "http://json-schema.org/draft-04/schema#",
466 "title": "sdn port mapping information schema",
467 "type": "array",
468 "items": {
469 "type": "object",
470 "properties": {
471 "compute_node": shortname_schema,
472 "ports": {
473 "type": "array",
474 "items": {
475 "type": "object",
476 "properties": {
477 "pci": pci_extended_schema,
478 "switch_port": shortname_schema,
479 "switch_mac": mac_schema
480 },
481 "required": ["pci"]
482 }
483 }
484 },
485 "required": ["compute_node", "ports"]
486 }
487 }
488 sdn_external_port_schema = {
489 "$schema": "http://json-schema.org/draft-04/schema#",
490 "title": "External port information",
491 "type": "object",
492 "properties": {
493 "port": {"type": "string", "minLength": 1, "maxLength": 60},
494 "vlan": vlan_schema,
495 "mac": mac_schema
496 },
497 "required": ["port"]
498 }
499
500 # PDUs
501 pdu_interface = {
502 "type": "object",
503 "properties": {
504 "name": shortname_schema,
505 "mgmt": bool_schema,
506 "type": {"enum": ["overlay", 'underlay']},
507 "ip-address": ip_schema,
508 # TODO, add user, password, ssh-key
509 "mac-address": mac_schema,
510 "vim-network-name": shortname_schema, # interface is connected to one vim network, or switch port
511 "vim-network-id": shortname_schema,
512 # # provide this in case SDN assist must deal with this interface
513 # "switch-dpid": dpid_Schema,
514 # "switch-port": shortname_schema,
515 # "switch-mac": shortname_schema,
516 # "switch-vlan": vlan_schema,
517 },
518 "required": ["name", "mgmt", "ip-address"],
519 "additionalProperties": False
520 }
521 pdu_new_schema = {
522 "title": "pdu creation input schema",
523 "$schema": "http://json-schema.org/draft-04/schema#",
524 "type": "object",
525 "properties": {
526 "name": shortname_schema,
527 "type": shortname_schema,
528 "description": description_schema,
529 "shared": bool_schema,
530 "vims": nameshort_list_schema,
531 "vim_accounts": nameshort_list_schema,
532 "interfaces": {
533 "type": "array",
534 "items": pdu_interface,
535 "minItems": 1
536 }
537 },
538 "required": ["name", "type", "interfaces"],
539 "additionalProperties": False
540 }
541
542 pdu_edit_schema = {
543 "title": "pdu edit input schema",
544 "$schema": "http://json-schema.org/draft-04/schema#",
545 "type": "object",
546 "properties": {
547 "name": shortname_schema,
548 "type": shortname_schema,
549 "description": description_schema,
550 "shared": bool_schema,
551 "vims": {"oneOf": [array_edition_schema, nameshort_list_schema]},
552 "vim_accounts": {"oneOf": [array_edition_schema, nameshort_list_schema]},
553 "interfaces": {"oneOf": [
554 array_edition_schema,
555 {
556 "type": "array",
557 "items": pdu_interface,
558 "minItems": 1
559 }
560 ]}
561 },
562 "additionalProperties": False,
563 "minProperties": 1
564 }
565
566 # USERS
567 user_new_schema = {
568 "$schema": "http://json-schema.org/draft-04/schema#",
569 "title": "New user schema",
570 "type": "object",
571 "properties": {
572 "username": shortname_schema,
573 "password": passwd_schema,
574 "projects": nameshort_list_schema,
575 },
576 "required": ["username", "password", "projects"],
577 "additionalProperties": False
578 }
579 user_edit_schema = {
580 "$schema": "http://json-schema.org/draft-04/schema#",
581 "title": "User edit schema for administrators",
582 "type": "object",
583 "properties": {
584 "password": passwd_schema,
585 "projects": {
586 "oneOf": [
587 nameshort_list_schema,
588 array_edition_schema
589 ]
590 },
591 },
592 "minProperties": 1,
593 "additionalProperties": False
594 }
595
596 # PROJECTS
597 project_new_schema = {
598 "$schema": "http://json-schema.org/draft-04/schema#",
599 "title": "New project schema for administrators",
600 "type": "object",
601 "properties": {
602 "name": shortname_schema,
603 "admin": bool_schema,
604 },
605 "required": ["name"],
606 "additionalProperties": False
607 }
608 project_edit_schema = {
609 "$schema": "http://json-schema.org/draft-04/schema#",
610 "title": "Project edit schema for administrators",
611 "type": "object",
612 "properties": {
613 "admin": bool_schema,
614 },
615 "additionalProperties": False,
616 "minProperties": 1
617 }
618
619 # GLOBAL SCHEMAS
620
621 nbi_new_input_schemas = {
622 "users": user_new_schema,
623 "projects": project_new_schema,
624 "vim_accounts": vim_account_new_schema,
625 "sdns": sdn_new_schema,
626 "ns_instantiate": ns_instantiate,
627 "ns_action": ns_action,
628 "ns_scale": ns_scale,
629 "pdus": pdu_new_schema,
630 }
631
632 nbi_edit_input_schemas = {
633 "users": user_edit_schema,
634 "projects": project_edit_schema,
635 "vim_accounts": vim_account_edit_schema,
636 "sdns": sdn_edit_schema,
637 "pdus": pdu_edit_schema,
638 }
639
640 # NETSLICE SCHEMAS
641 nsi_subnet_instantiate = deepcopy(ns_instantiate)
642 nsi_subnet_instantiate["title"] = "netslice subnet instantiation params input schema"
643 nsi_subnet_instantiate["properties"]["id"] = name_schema
644 del nsi_subnet_instantiate["required"]
645
646 nsi_vld_instantiate = {
647 "title": "netslice vld instantiation params input schema",
648 "$schema": "http://json-schema.org/draft-04/schema#",
649 "type": "object",
650 "properties": {
651 "name": string_schema,
652 "vim-network-name": {"OneOf": [string_schema, object_schema]},
653 "vim-network-id": {"OneOf": [string_schema, object_schema]},
654 "ip-profile": object_schema,
655 },
656 "required": ["name"],
657 "additionalProperties": False
658 }
659
660 nsi_instantiate = {
661 "title": "netslice action instantiate input schema",
662 "$schema": "http://json-schema.org/draft-04/schema#",
663 "type": "object",
664 "properties": {
665 "lcmOperationType": string_schema,
666 "nsiInstanceId": id_schema,
667 "nsiName": name_schema,
668 "nsiDescription": {"oneOf": [description_schema, null_schema]},
669 "nstId": string_schema,
670 "vimAccountId": id_schema,
671 "ssh_keys": {"type": "string"},
672 "nsi_id": id_schema,
673 "additionalParamsForNsi": object_schema,
674 "netslice-subnet": {
675 "type": "array",
676 "minItems": 1,
677 "items": nsi_subnet_instantiate
678 },
679 "netslice-vld": {
680 "type": "array",
681 "minItems": 1,
682 "items": nsi_vld_instantiate
683 },
684 },
685 "required": ["nsiName", "nstId", "vimAccountId"],
686 "additionalProperties": False
687 }
688
689 nsi_action = {
690
691 }
692
693 nsi_terminate = {
694
695 }
696
697
698 class ValidationError(Exception):
699 def __init__(self, message, http_code=HTTPStatus.UNPROCESSABLE_ENTITY):
700 self.http_code = http_code
701 Exception.__init__(self, message)
702
703
704 def validate_input(indata, schema_to_use):
705 """
706 Validates input data against json schema
707 :param indata: user input data. Should be a dictionary
708 :param schema_to_use: jsonschema to test
709 :return: None if ok, raises ValidationError exception on error
710 """
711 try:
712 if schema_to_use:
713 js_v(indata, schema_to_use)
714 return None
715 except js_e.ValidationError as e:
716 if e.path:
717 error_pos = "at '" + ":".join(map(str, e.path)) + "'"
718 else:
719 error_pos = ""
720 raise ValidationError("Format error {} '{}' ".format(error_pos, e.message))
721 except js_e.SchemaError:
722 raise ValidationError("Bad json schema {}".format(schema_to_use), http_code=HTTPStatus.INTERNAL_SERVER_ERROR)