catalog/packages/biz/notificationsutil.py

   1 # Copyright 2019 ZTE Corporation.
   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 implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import logging
  16 import uuid
  17 import requests
  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
  25 import traceback
  26
  27 logger = logging.getLogger(__name__)
  28
  29
  30 class NotificationsUtil(object):
  31     def __init__(self):
  32         pass
  33
  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)
  39         if isvnfpkg:
  40             subscriptions = VnfPkgSubscriptionModel.objects.filter(**subscriptions_filter)
  41             subscription_root_uri = const.VNFPKG_SUBSCRIPTION_ROOT_URI
  42         else:
  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)
  47             return
  48         logger.info("Start sending notifications")
  49         for sub in subscriptions:
  50             # set subscription id
  51             if isvnfpkg:
  52                 notification["subscriptionId"] = sub.subscription_id
  53             else:
  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"])
  60             }
  61             callbackuri = sub.callback_uri
  62             """
  63             auth_info = json.loads(sub.auth_info)
  64             if auth_info["authType"] == const.OAUTH2_CLIENT_CREDENTIALS:
  65                 pass
  66             """
  67             self.post_notification(callbackuri, notification)
  68
  69     def post_notification(self, callbackuri, notification):
  70         """
  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)
  74         resp = None
  75         if username:
  76             resp = requests.post(callbackuri,
  77                                  data=notification,
  78                                  auth=HTTPBasicAuth(username, password))
  79         else:
  80         """
  81
  82         try:
  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))
  86             else:
  87                 logger.info("Sending notification to %s successfully.", callbackuri)
  88         except:
  89             logger.error("Post notification failed.")
  90             logger.error(traceback.format_exc())
  91
  92
  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)
  96     vnfd_id = None
  97     if vnf_pkg:
  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,
 105         'vnfdId': vnfd_id,
 106         'changeType': pkg_change_type,
 107         'operationalState': operational_state,
 108         '_links': {
 109             'vnfPackage': {
 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,
 113                                                              vnf_pkg_id)
 114             }
 115         }
 116     }
 117     return notification_content
 118
 119
 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,
 128         'nsdId': nsd_id,
 129         'onboardingFailureDetails': failure_details,
 130         'nsdOperationalState': operational_state,
 131         '_links': {
 132             'nsdInfo': {
 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,
 136                                                                nsd_info_id)
 137             }
 138         }
 139     }
 140     return notification_content
 141
 142
 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,
 151         'pnfdId': pnfd_id,
 152         'onboardingFailureDetails': failure_details,
 153         '_links': {
 154             'pnfdInfo': {
 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,
 158                                                                 pnfd_info_id)
 159             }
 160         }
 161     }
 162     return notification_content