o2app/entrypoints/redis_eventconsumer.py

   1 # Copyright (C) 2021 Wind River Systems, Inc.
   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 json
  16
  17 import redis
  18 import json
  19 from o2app import bootstrap
  20 from o2common.config import config
  21 from o2dms.domain import commands
  22 from o2ims.domain import commands as imscmd
  23 from o2ims.domain.subscription_obj import Message2SMO, RegistrationMessage
  24 from o2ims.domain.alarm_obj import AlarmEvent2SMO
  25
  26 from o2common.helper import o2logging
  27 logger = o2logging.get_logger(__name__)
  28
  29 r = redis.Redis(**config.get_redis_host_and_port())
  30
  31 apibase = config.get_o2ims_api_base()
  32 api_monitoring_base = config.get_o2ims_monitoring_api_base()
  33 monitor_api_version = config.get_o2ims_monitoring_api_v1()
  34 inventory_api_version = config.get_o2ims_inventory_api_v1()
  35
  36
  37 def main():
  38     logger.info("Redis pubsub starting")
  39     bus = bootstrap.bootstrap()
  40     pubsub = r.pubsub(ignore_subscribe_messages=True)
  41     pubsub.subscribe("NfDeploymentStateChanged")
  42     pubsub.subscribe('OcloudChanged')
  43     pubsub.subscribe('ResourceTypeChanged')
  44     pubsub.subscribe('ResourcePoolChanged')
  45     pubsub.subscribe('DmsChanged')
  46     pubsub.subscribe('ResourceChanged')
  47     pubsub.subscribe('AlarmEventChanged')
  48
  49     for m in pubsub.listen():
  50         try:
  51             handle_changed(m, bus)
  52         except Exception as ex:
  53             logger.warning("{}".format(str(ex)))
  54             continue
  55
  56
  57 def handle_changed(m, bus):
  58     logger.info("handling %s", m)
  59     channel = m['channel'].decode("UTF-8")
  60     if channel == "NfDeploymentStateChanged":
  61         datastr = m['data']
  62         data = json.loads(datastr)
  63         logger.info('HandleNfDeploymentStateChanged with cmd:{}'.format(data))
  64         cmd = commands.HandleNfDeploymentStateChanged(
  65             NfDeploymentId=data['NfDeploymentId'],
  66             FromState=data['FromState'],
  67             ToState=data['ToState']
  68         )
  69         bus.handle(cmd)
  70     elif channel == 'ResourceTypeChanged':
  71         datastr = m['data']
  72         data = json.loads(datastr)
  73         logger.info('ResourceTypeChanged with cmd:{}'.format(data))
  74         ref = apibase + inventory_api_version + '/resourceTypes/' + \
  75             data['id']
  76         cmd = imscmd.PubMessage2SMO(data=Message2SMO(
  77             id=data['id'], ref=ref,
  78             eventtype=data['notificationEventType'],
  79             updatetime=data['updatetime']),
  80             type='ResourceType')
  81         bus.handle(cmd)
  82     elif channel == 'ResourcePoolChanged':
  83         datastr = m['data']
  84         data = json.loads(datastr)
  85         logger.info('ResourcePoolChanged with cmd:{}'.format(data))
  86         ref = apibase + inventory_api_version + '/resourcePools/' + \
  87             data['id']
  88         cmd = imscmd.PubMessage2SMO(data=Message2SMO(
  89             id=data['id'], ref=ref,
  90             eventtype=data['notificationEventType'],
  91             updatetime=data['updatetime']),
  92             type='ResourcePool')
  93         bus.handle(cmd)
  94     elif channel == 'DmsChanged':
  95         datastr = m['data']
  96         data = json.loads(datastr)
  97         logger.info('ResourceChanged with cmd:{}'.format(data))
  98         ref = apibase + inventory_api_version + '/deploymentManagers/' + \
  99             data['id']
 100         cmd = imscmd.PubMessage2SMO(data=Message2SMO(
 101             id=data['id'], ref=ref,
 102             eventtype=data['notificationEventType'],
 103             updatetime=data['updatetime']),
 104             type='Dms')
 105         bus.handle(cmd)
 106     elif channel == 'ResourceChanged':
 107         datastr = m['data']
 108         data = json.loads(datastr)
 109         logger.info('ResourceChanged with cmd:{}'.format(data))
 110         ref = apibase + inventory_api_version + '/resourcePools/' + \
 111             data['resourcePoolId'] + '/resources/' + data['id']
 112         cmd = imscmd.PubMessage2SMO(data=Message2SMO(
 113             id=data['id'], ref=ref,
 114             eventtype=data['notificationEventType'],
 115             updatetime=data['updatetime']),
 116             type='Resource')
 117         bus.handle(cmd)
 118     elif channel == 'OcloudChanged':
 119         datastr = m['data']
 120         data = json.loads(datastr)
 121         logger.info('OcloudChanged with cmd:{}'.format(data))
 122         cmd = imscmd.Register2SMO(data=RegistrationMessage(
 123             data['notificationEventType'],
 124             id=data['id']))
 125         bus.handle(cmd)
 126     elif channel == 'AlarmEventChanged':
 127         datastr = m['data']
 128         data = json.loads(datastr)
 129         logger.info('AlarmEventChanged with cmd:{}'.format(data))
 130         ref = api_monitoring_base + \
 131             monitor_api_version + '/alarms/' + data['id']
 132         cmd = imscmd.PubAlarm2SMO(data=AlarmEvent2SMO(
 133             id=data['id'], ref=ref,
 134             eventtype=data['notificationEventType'],
 135             updatetime=data['updatetime']))
 136         bus.handle(cmd)
 137     else:
 138         logger.info("unhandled:{}".format(channel))
 139
 140
 141 if __name__ == "__main__":
 142     main()