1 # -*- coding: utf-8 -*-
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
7 # http://www.apache.org/licenses/LICENSE-2.0
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
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
16 from jsonschema
import validate
as js_v
, exceptions
as js_e
17 from http
import HTTPStatus
19 __author__
= "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
21 version_date
= "Jun 2020"
24 Validator of input data using JSON schemas
28 name_schema
= {"type": "string", "minLength": 1, "maxLength": 255, "pattern": "^[^,;()'\"]+$"}
29 string_schema
= {"type": "string", "minLength": 1, "maxLength": 255}
30 ssh_key_schema
= {"type": "string", "minLength": 1}
31 id_schema
= {"type": "string", "pattern": "^[a-fA-F0-9]{8}(-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}$"}
32 bool_schema
= {"type": "boolean"}
33 null_schema
= {"type": "null"}
34 object_schema
= {"type": "object"}
36 deploy_item_schema
= {
37 "title": "deploy item validation. Each vld, vdu, flavor, image, ...",
38 "$schema": "http://json-schema.org/draft-04/schema#",
42 "vim_info": object_schema
,
43 "common_id": string_schema
,
45 "additionalProperties": True
50 "items": deploy_item_schema
,
54 "title": "deploy.vnf.item validation",
55 "$schema": "http://json-schema.org/draft-04/schema#",
59 "vdur": deploy_item_list
,
60 "vld": deploy_item_list
,
62 "additionalProperties": True,
66 deploy_action_schema
= {
67 "title": "deploy.action validation",
68 "$schema": "http://json-schema.org/draft-04/schema#",
71 "action": {"enum": ["inject_ssh_key"]},
72 "key": ssh_key_schema
,
73 "user": string_schema
,
74 "password": string_schema
,
76 "additionalProperties": False,
77 "required": ["action"],
81 "title": "deploy input validation",
82 "$schema": "http://json-schema.org/draft-04/schema#",
85 "action_id": string_schema
,
86 "cloud_init_content": object_schema
,
87 "name": string_schema
,
88 "action": deploy_action_schema
,
91 "items": deploy_vnf_schema
,
93 "image": deploy_item_list
,
94 "flavor": deploy_item_list
,
98 "vld": deploy_item_list
,
102 "additionalProperties": False
106 class ValidationError(Exception):
107 def __init__(self
, message
, http_code
=HTTPStatus
.UNPROCESSABLE_ENTITY
):
108 self
.http_code
= http_code
109 Exception.__init
__(self
, message
)
112 def validate_input(indata
, schema_to_use
):
114 Validates input data against json schema
115 :param indata: user input data. Should be a dictionary
116 :param schema_to_use: jsonschema to test
117 :return: None if ok, raises ValidationError exception on error
121 js_v(indata
, schema_to_use
)
123 except js_e
.ValidationError
as e
:
125 error_pos
= "at '" + ":".join(map(str, e
.path
)) + "'"
128 raise ValidationError("Format error {} '{}' ".format(error_pos
, e
.message
))
129 except js_e
.SchemaError
:
130 raise ValidationError("Bad json schema {}".format(schema_to_use
), http_code
=HTTPStatus
.INTERNAL_SERVER_ERROR
)