1 # Copyright 2019 ZTE Corporation.
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 implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
18 from rest_framework import status
19 from catalog.packages import const
20 from catalog.pub.database.models import VnfPkgSubscriptionModel, NsdmSubscriptionModel
21 from catalog.pub.database.models import VnfPackageModel
22 import catalog.pub.utils.timeutil
23 from catalog.pub.utils.values import remove_none_key
24 from catalog.pub.config import config as pub_config
27 logger = logging.getLogger(__name__)
30 class NotificationsUtil(object):
34 def send_notification(self, notification, filters, isvnfpkg):
35 logger.info("Send Notifications to the callbackUri")
36 subscriptions_filter = {v + "__contains": notification[k] for k, v in filters.items()}
37 logger.debug('send_notification subscriptions_filter = %s' % subscriptions_filter)
38 subscriptions_filter = remove_none_key(subscriptions_filter)
40 subscriptions = VnfPkgSubscriptionModel.objects.filter(**subscriptions_filter)
41 subscription_root_uri = const.VNFPKG_SUBSCRIPTION_ROOT_URI
43 subscriptions = NsdmSubscriptionModel.objects.filter(**subscriptions_filter)
44 subscription_root_uri = const.NSDM_SUBSCRIPTION_ROOT_URI
45 if not subscriptions.exists():
46 logger.info("No subscriptions created for the filters %s" % notification)
48 logger.info("Start sending notifications")
49 for sub in subscriptions:
52 notification["subscriptionId"] = sub.subscription_id
54 notification["subscriptionId"] = sub.subscriptionid
55 notification['_links']['subscription'] = {
56 'href': 'http://%s:%s/%s%s' % (pub_config.MSB_SERVICE_IP,
57 pub_config.MSB_SERVICE_PORT,
58 subscription_root_uri,
59 notification["subscriptionId"])
61 callbackuri = sub.callback_uri
63 auth_info = json.loads(sub.auth_info)
64 if auth_info["authType"] == const.OAUTH2_CLIENT_CREDENTIALS:
67 self.post_notification(callbackuri, notification)
69 def post_notification(self, callbackuri, notification):
71 params = auth_info.get("paramsBasic", {})
72 username, password = params.get("userName"), params.get("password")
73 logger.info("Sending notification to %s, %s", callbackuri, params)
76 resp = requests.post(callbackuri,
78 auth=HTTPBasicAuth(username, password))
83 resp = requests.post(callbackuri, data=notification, headers={'Connection': 'close'})
84 if resp.status_code != status.HTTP_204_NO_CONTENT:
85 logger.error("Sendingnotification to %s failed: %s" % (callbackuri, resp.text))
87 logger.info("Sending notification to %s successfully.", callbackuri)
89 logger.error("Post notification failed.")
90 logger.error(traceback.format_exc())
93 def prepare_vnfpkg_notification(vnf_pkg_id, notification_type, pkg_change_type, operational_state):
94 logger.info('Start to prepare notification')
95 vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
98 vnfd_id = vnf_pkg[0].vnfdId
99 notification_content = {
100 'id': str(uuid.uuid4()), # shall be the same if sent multiple times due to multiple subscriptions.
101 'notificationType': notification_type,
102 # set 'subscriptionId' after filtering for subscribers
103 'timeStamp': catalog.pub.utils.timeutil.now_time(),
104 'vnfPkgId': vnf_pkg_id,
106 'changeType': pkg_change_type,
107 'operationalState': operational_state,
110 'href': 'http://%s:%s/%s/vnf_packages/%s' % (pub_config.MSB_SERVICE_IP,
111 pub_config.MSB_SERVICE_PORT,
112 const.PKG_URL_PREFIX,
117 return notification_content
120 def prepare_nsd_notification(nsd_info_id, nsd_id, notification_type, failure_details=None, operational_state=None):
121 logger.info('Start to prepare notification')
122 notification_content = {
123 'id': str(uuid.uuid4()), # shall be the same if sent multiple times due to multiple subscriptions.
124 'notificationType': notification_type,
125 # set 'subscriptionId' after filtering for subscribers
126 'timeStamp': catalog.pub.utils.timeutil.now_time(),
127 'nsdInfoId': nsd_info_id,
129 'onboardingFailureDetails': failure_details,
130 'nsdOperationalState': operational_state,
133 'href': 'http://%s:%s/%s/ns_descriptors/%s' % (pub_config.MSB_SERVICE_IP,
134 pub_config.MSB_SERVICE_PORT,
135 const.NSD_URL_PREFIX,
140 return notification_content
143 def prepare_pnfd_notification(pnfd_info_id, pnfd_id, notification_type, failure_details=None):
144 logger.info('Start to prepare notification')
145 notification_content = {
146 'id': str(uuid.uuid4()), # shall be the same if sent multiple times due to multiple subscriptions.
147 'notificationType': notification_type,
148 # set 'subscriptionId' after filtering for subscribers
149 'timeStamp': catalog.pub.utils.timeutil.now_time(),
150 'pnfdInfoIds': pnfd_info_id,
152 'onboardingFailureDetails': failure_details,
155 'href': 'http://%s:%s/%s/pnf_descriptors/%s' % (pub_config.MSB_SERVICE_IP,
156 pub_config.MSB_SERVICE_PORT,
157 const.NSD_URL_PREFIX,
162 return notification_content