1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
# ============LICENSE_START===================================================
# Copyright (C) 2019-2022 Nordix Foundation.
# ============================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=====================================================
from http import HTTPStatus
from mod import logger
from mod.api.services import subscription_service, measurement_group_service
from connexion import NoContent
from mod.api.custom_exception import InvalidDataException, DuplicateDataException
def status():
"""
Returns the health of the PMSH service
Args:
NA
Returns:
Dictionary detailing 'status' of either 'healthy' or 'unhealthy'.
Raises:
NA
"""
return {'status': 'healthy'}
def post_subscription(body):
"""
Creates a subscription
Args:
body (dict): subscription request body to save.
Returns:
Success : NoContent, 201
Invalid Data : Invalid message, 400
Duplicate Data : Duplicate field detail, 409
Raises:
Error: If anything fails in the server.
"""
response = NoContent, HTTPStatus.CREATED.value
try:
subscription_service.create_subscription(body['subscription'])
except DuplicateDataException as e:
logger.error(f'Failed to create subscription for '
f'{body["subscription"]["subscriptionName"]} due to duplicate data: {e}',
exc_info=True)
response = e.duplicate_field_info, HTTPStatus.CONFLICT.value
except InvalidDataException as e:
logger.error(f'Failed to create subscription for '
f'{body["subscription"]["subscriptionName"]} due to invalid data: {e}',
exc_info=True)
response = e.invalid_message, HTTPStatus.BAD_REQUEST.value
return response
def get_subscription_by_name(subscription_name):
"""
Retrieves subscription based on the name
Args:
subscription_name (String): Name of the subscription.
Returns:
dict, HTTPStatus: single Sub in PMSH, 200
dict, HTTPStatus: subscription not defined, 404
dict, HTTPStatus: Exception details of failure, 500
"""
logger.info('API call received to fetch subscription by name')
try:
subscription = subscription_service.query_subscription_by_name(subscription_name)
if subscription is not None:
logger.info(f'queried subscription was successful with the name: {subscription_name}')
return subscription.serialize(), HTTPStatus.OK.value
else:
logger.error('queried subscription was un successful with the name: '
f'{subscription_name}')
return {'error': 'Subscription was not defined with the name : '
f'{subscription_name}'}, HTTPStatus.NOT_FOUND.value
except Exception as exception:
logger.error(f'While querying the subscription with name: {subscription_name}, '
f'it occurred the following exception "{exception}"')
return {'error': 'Request was not processed due to Exception : '
f'{exception}'}, HTTPStatus.INTERNAL_SERVER_ERROR.value
def get_subscriptions():
""" Retrieves all the subscriptions that are defined in PMSH.
Returns:
list (dict), HTTPStatus: All subs in PMSH, 200
dict, HTTPStatus: Exception details of failure, 500
"""
logger.info('API call received to fetch all subscriptions')
try:
subscriptions = subscription_service.get_subscriptions_list()
return subscriptions, HTTPStatus.OK.value
except Exception as exception:
logger.error(f'The following exception occurred while fetching subscriptions: {exception}')
return {'error': 'Request was not processed due to Exception : '
f'{exception}'}, HTTPStatus.INTERNAL_SERVER_ERROR.value
def get_meas_group_with_nfs(subscription_name, measurement_group_name):
"""
Retrieves the measurement group and it's associated network functions
Args:
subscription_name (String): Name of the subscription.
measurement_group_name (String): Name of the measurement group
Returns:
dict, HTTPStatus: measurement group info with associated nfs, 200
dict, HTTPStatus: measurement group was not defined, 404
dict, HTTPStatus: Exception details of failure, 500
"""
logger.info('API call received to query measurement group and associated network'
f' functions by using sub name: {subscription_name} and measurement '
f'group name: {measurement_group_name}')
try:
meas_group = measurement_group_service.query_meas_group_by_name(subscription_name,
measurement_group_name)
if meas_group is not None:
return meas_group.meas_group_with_nfs(), HTTPStatus.OK.value
else:
logger.error('measurement group was not defined with the sub name: '
f'{subscription_name} and meas group name: '
f'{measurement_group_name}')
return {'error': 'measurement group was not defined with the sub name: '
f'{subscription_name} and meas group name: '
f'{measurement_group_name}'}, HTTPStatus.NOT_FOUND.value
except Exception as exception:
logger.error('The following exception occurred while fetching measurement group: '
f'{exception}')
return {'error': 'Request was not processed due to Exception : '
f'{exception}'}, HTTPStatus.INTERNAL_SERVER_ERROR.value
def delete_subscription_by_name(subscription_name):
""" Deletes the subscription by name
Args:
subscription_name (String): Name of the subscription
Returns:
NoneType, HTTPStatus: None, 204
dict, HTTPStatus: subscription not defined, 404
dict, HTTPStatus: Reason for not deleting subscription, 409
dict, HTTPStatus: Exception details of failure, 500
"""
logger.info(f'API call received to delete subscription by name: {subscription_name}')
try:
unlocked_locking_mgs = \
subscription_service.query_unlocked_mg_by_sub_name(subscription_name)
if not unlocked_locking_mgs:
if subscription_service.query_to_delete_subscription_by_name(subscription_name) == 1:
return None, HTTPStatus.NO_CONTENT
else:
logger.error(f'Subscription is not defined with name {subscription_name}')
return {'error': f'Subscription is not defined with name {subscription_name}'}, \
HTTPStatus.NOT_FOUND.value
else:
logger.error('Subscription is not deleted due to associated MGs were UNLOCKED '
'(or) under update process to LOCKED')
return {'error': 'Subscription is not deleted due to the following MGs were UNLOCKED '
'(or) under update process to LOCKED', 'measurementGroupNames':
[{'measurementGroupName':
mg.measurement_group_name}for mg in unlocked_locking_mgs]}, \
HTTPStatus.CONFLICT.value
except Exception as exception:
logger.error(f'Try again, subscription with name {subscription_name}'
f'is not deleted due to following exception: {exception}')
return {'error': f'Try again, subscription with name {subscription_name}'
f'is not deleted due to following exception: {exception}'}, \
HTTPStatus.INTERNAL_SERVER_ERROR.value
|
