lcm/ns_vnfs/biz/handle_notification.py

   1 # Copyright 2016 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 traceback
  17 import uuid
  18
  19
  20 from rest_framework import status
  21 from rest_framework.response import Response
  22
  23 from lcm.ns_vnfs.enum import INST_TYPE
  24 from lcm.pub.config.config import REPORT_TO_AAI
  25 from lcm.pub.database.models import (CPInstModel, NfInstModel, PortInstModel,
  26                                      VLInstModel, VmInstModel, VNFCInstModel)
  27 from lcm.pub.exceptions import NSLCMException, RequestException
  28 from lcm.pub.msapi.aai import (create_network_aai, create_vserver_aai,
  29                                delete_network_aai, delete_vserver_aai,
  30                                query_network_aai, query_vserver_aai)
  31 from lcm.pub.msapi.extsys import get_vim_by_id, split_vim_to_owner_region
  32 from lcm.pub.utils.values import ignore_case_get
  33
  34 logger = logging.getLogger(__name__)
  35
  36
  37 class HandleVnfLcmOocNotification(object):
  38     def __init__(self, vnfmid, vnfInstanceId, data):
  39         logger.debug("[Notify LCM] vnfmid=%s, vnfInstanceId=%s, data=%s" % (vnfmid, vnfInstanceId, data))
  40         self.vnfmid = vnfmid
  41         self.m_vnfInstanceId = vnfInstanceId
  42         self.vnf_instid = get_vnfinstid(self.m_vnfInstanceId, self.vnfmid)
  43         self.operation = ignore_case_get(data, 'operation')
  44         self.affectedVnfcs = ignore_case_get(data, 'affectedVnfcs')
  45         self.affectedVls = ignore_case_get(data, 'affectedVirtualLinks')
  46         self.affectedCps = ignore_case_get(data, 'changedExtConnectivity')
  47         self.affectedVirtualStorage = ignore_case_get(data, 'affectedVirtualStorages')
  48
  49     def do_biz(self):
  50         try:
  51             self.update_Vnfc()
  52             self.update_Vl()
  53             self.update_Cp()
  54             self.update_Storage()
  55             if REPORT_TO_AAI:
  56                 self.update_network_in_aai()
  57             logger.debug("notify lcm end")
  58         except NSLCMException as e:
  59             exception(e.args[0])
  60         except Exception:
  61             logger.error(traceback.format_exc())
  62             exception('unexpected exception')
  63
  64     def update_Vnfc(self):
  65         for vnfc in self.affectedVnfcs:
  66             vnfcInstanceId = ignore_case_get(vnfc, 'id')
  67             vduId = ignore_case_get(vnfc, 'vduId')
  68             changeType = ignore_case_get(vnfc, 'changeType')
  69             computeResource = ignore_case_get(vnfc, 'computeResource')
  70             vimId = ignore_case_get(computeResource, "vimConnectionId")
  71             vmId = ignore_case_get(computeResource, 'resourceId')
  72             vmName = ignore_case_get(computeResource, 'resourceId')  # replaced with resouceId temporarily
  73
  74             if changeType == 'ADDED':
  75                 VNFCInstModel(vnfcinstanceid=vnfcInstanceId, vduid=vduId,
  76                               nfinstid=self.vnf_instid, vmid=vmId).save()
  77                 VmInstModel(vmid=vmId, vimid=vimId, resouceid=vmId, insttype=INST_TYPE.VNF,
  78                             instid=self.vnf_instid, vmname=vmName, hostid='1').save()
  79                 if REPORT_TO_AAI:
  80                     self.create_vserver_in_aai(vimId, vmId, vmName)
  81             elif changeType == 'REMOVED':
  82                 if REPORT_TO_AAI:
  83                     self.delete_vserver_in_aai(vimId, vmId, vmName)
  84                 VNFCInstModel.objects.filter(vnfcinstanceid=vnfcInstanceId).delete()
  85             elif changeType == 'MODIFIED':
  86                 VNFCInstModel.objects.filter(vnfcinstanceid=vnfcInstanceId).update(vduid=vduId,
  87                                                                                    nfinstid=self.vnf_instid,
  88                                                                                    vmid=vmId)
  89             else:
  90                 exception('affectedVnfc struct error: changeType not in {ADDED, REMOVED, MODIFIED, TEMPORARY}')
  91         logger.debug("Success to update all vserver to aai.")
  92
  93     def update_Vl(self):
  94         for vl in self.affectedVls:
  95             vlInstanceId = ignore_case_get(vl, 'id')
  96             vldid = ignore_case_get(vl, 'virtualLinkDescId')
  97             changeType = ignore_case_get(vl, 'changeType')
  98             networkResource = ignore_case_get(vl, 'networkResource')
  99             resourceType = ignore_case_get(networkResource, 'vimLevelResourceType')
 100             resourceId = ignore_case_get(networkResource, 'resourceId')
 101             resourceName = ignore_case_get(networkResource, 'resourceId')  # replaced with resouceId temporarily
 102
 103             if resourceType != 'network':
 104                 exception('affectedVl struct error: resourceType not euqal network')
 105
 106             ownerId = self.vnf_instid
 107
 108             if changeType == 'ADDED':
 109                 VLInstModel(vlinstanceid=vlInstanceId, vldid=vldid, vlinstancename=resourceName, ownertype=0,
 110                             ownerid=ownerId, relatednetworkid=resourceId, vltype=0).save()
 111             elif changeType == 'REMOVED':
 112                 VLInstModel.objects.filter(vlinstanceid=vlInstanceId).delete()
 113             elif changeType == 'MODIFIED':
 114                 VLInstModel.objects.filter(vlinstanceid=vlInstanceId)\
 115                     .update(vldid=vldid, vlinstancename=resourceName, ownertype=0, ownerid=ownerId,
 116                             relatednetworkid=resourceId, vltype=0)
 117             else:
 118                 exception('affectedVl struct error: changeType not in {ADDED, REMOVED, MODIFIED, TEMPORARY}')
 119
 120     def update_Cp(self):
 121         for cp in self.affectedCps:
 122             # virtualLinkInstanceId = ignore_case_get(cp, 'id')
 123             ownertype = 0
 124             ownerid = self.vnf_instid
 125             for extLinkPorts in ignore_case_get(cp, 'extLinkPorts'):
 126                 cpInstanceId = ignore_case_get(extLinkPorts, 'cpInstanceId')
 127                 cpdId = ignore_case_get(extLinkPorts, 'id')
 128                 # changeType = ignore_case_get(cp, 'changeType')
 129                 relatedportId = ''
 130
 131                 portResource = ignore_case_get(extLinkPorts, 'resourceHandle')
 132                 if portResource:
 133                     vimId = ignore_case_get(portResource, 'vimConnectionId')
 134                     resourceId = ignore_case_get(portResource, 'resourceId')
 135                     resourceName = ignore_case_get(portResource, 'resourceId')  # replaced with resouceId temporarily
 136                     # tenant = ignore_case_get(portResource, 'tenant')
 137                     # ipAddress = ignore_case_get(portResource, 'ipAddress')
 138                     # macAddress = ignore_case_get(portResource, 'macAddress')
 139                     # instId = ignore_case_get(portResource, 'instId')
 140                     portid = str(uuid.uuid4())
 141
 142                     PortInstModel(portid=portid, networkid='unknown', subnetworkid='unknown', vimid=vimId,
 143                                   resourceid=resourceId, name=resourceName, instid="unknown", cpinstanceid=cpInstanceId,
 144                                   bandwidth='unknown', operationalstate='active', ipaddress="unkown",
 145                                   macaddress='unknown',
 146                                   floatipaddress='unknown', serviceipaddress='unknown', typevirtualnic='unknown',
 147                                   sfcencapsulation='gre', direction='unknown', tenant="unkown").save()
 148                     relatedportId = portid
 149
 150                 CPInstModel(cpinstanceid=cpInstanceId, cpdid=cpdId, ownertype=ownertype, ownerid=ownerid,
 151                             relatedtype=2, relatedport=relatedportId, status='active').save()
 152
 153     def update_Storage(self):
 154         pass
 155
 156     def update_network_in_aai(self):
 157         logger.debug("update_network_in_aai::begin to report network to aai.")
 158         try:
 159             for vl in self.affectedVls:
 160                 vlInstanceId = ignore_case_get(vl, 'id')
 161                 # vldid = ignore_case_get(vl, 'vldid')
 162                 changeType = ignore_case_get(vl, 'changeType')
 163                 networkResource = ignore_case_get(vl, 'networkResource')
 164                 resourceType = ignore_case_get(networkResource, 'vimLevelResourceType')
 165                 # resourceId = ignore_case_get(networkResource, 'resourceId')
 166
 167                 if resourceType != 'network':
 168                     logger.error('affectedVl struct error: resourceType not euqal network')
 169                     raise NSLCMException("affectedVl struct error: resourceType not euqal network")
 170
 171                 ownerId = self.vnf_instid
 172
 173                 if changeType in ['ADDED', 'MODIFIED']:
 174                     self.create_network_and_subnet_in_aai(vlInstanceId, ownerId)
 175                 elif changeType == 'REMOVED':
 176                     self.delete_network_and_subnet_in_aai(vlInstanceId)
 177                 else:
 178                     logger.error('affectedVl struct error: changeType not in {ADDED, REMOVED, MODIFIED, TEMPORARY}')
 179         except NSLCMException as e:
 180             logger.debug("Fail to create internal network to aai, detail message: %s" % e.args[0])
 181         except:
 182             logger.error(traceback.format_exc())
 183
 184     def create_network_and_subnet_in_aai(self, vlInstanceId, ownerId):
 185         logger.debug("CreateVls::create_network_in_aai::report network[%s] to aai." % vlInstanceId)
 186         try:
 187             data = {
 188                 "network-id": vlInstanceId,
 189                 "network-name": vlInstanceId,
 190                 "is-bound-to-vpn": False,
 191                 "is-provider-network": True,
 192                 "is-shared-network": True,
 193                 "is-external-network": True,
 194                 "relationship-list": {
 195                     "relationship": [
 196                         {
 197                             "related-to": "generic-vnf",
 198                             "relationship-data": [
 199                                 {
 200                                     "relationship-key": "generic-vnf.vnf-id",
 201                                     "relationship-value": ownerId
 202                                 }
 203                             ]
 204                         }
 205                     ]
 206                 }
 207             }
 208             resp_data, resp_status = create_network_aai(vlInstanceId, data)
 209             logger.debug("Success to create network[%s] to aai: [%s].", vlInstanceId, resp_status)
 210         except NSLCMException as e:
 211             logger.debug("Fail to create network[%s] to aai, detail message: %s" % (vlInstanceId, e.args[0]))
 212         except:
 213             logger.error(traceback.format_exc())
 214
 215     def delete_network_and_subnet_in_aai(self, vlInstanceId):
 216         logger.debug("DeleteVls::delete_network_in_aai::delete network[%s] in aai." % vlInstanceId)
 217         try:
 218             # query network in aai, get resource_version
 219             customer_info = query_network_aai(vlInstanceId)
 220             if customer_info:
 221                 resource_version = customer_info["resource-version"]
 222
 223                 # delete network from aai
 224                 resp_data, resp_status = delete_network_aai(vlInstanceId, resource_version)
 225                 logger.debug("Success to delete network[%s] from aai, resp_status: [%s]."
 226                              % (vlInstanceId, resp_status))
 227         except RequestException:
 228             logger.debug("Network has been delted in aai")
 229         except NSLCMException as e:
 230             logger.debug("Fail to delete network[%s] to aai, detail message: %s" % (vlInstanceId, e.args[0]))
 231         except:
 232             logger.error(traceback.format_exc())
 233
 234     def create_vserver_in_aai(self, vim_id, vserver_id, vserver_name):
 235         logger.debug("NotifyLcm::create_vserver_in_aai::report vserver instance to aai.")
 236         try:
 237             cloud_owner, cloud_region_id = split_vim_to_owner_region(vim_id)
 238
 239             # query vim_info from aai
 240             vim_info = get_vim_by_id({"cloud_owner": cloud_owner, 'cloud_regionid': cloud_region_id})
 241             tenant_id = vim_info["tenantId"]
 242             data = {
 243                 "vserver-id": vserver_id,
 244                 "vserver-name": vserver_name,
 245                 "prov-status": "ACTIVE",
 246                 "vserver-selflink": "",
 247                 "in-maint": True,
 248                 "is-closed-loop-disabled": False,
 249                 "relationship-list": {
 250                     "relationship": [
 251                         {
 252                             "related-to": "generic-vnf",
 253                             "relationship-data": [
 254                                 {
 255                                     "relationship-key": "generic-vnf.vnf-id",
 256                                     "relationship-value": self.vnf_instid
 257                                 }
 258                             ]
 259                         }
 260                     ]
 261                 }
 262             }
 263
 264             # create vserver instance in aai
 265             resp_data, resp_status = create_vserver_aai(cloud_owner, cloud_region_id, tenant_id, vserver_id, data)
 266             logger.debug("Success to create vserver[%s] to aai, vnf instance=[%s], resp_status: [%s]."
 267                          % (vserver_id, self.vnf_instid, resp_status))
 268         except NSLCMException as e:
 269             logger.debug("Fail to create vserver to aai, vnf instance=[%s], detail message: %s"
 270                          % (self.vnf_instid, e.args[0]))
 271         except:
 272             logger.error(traceback.format_exc())
 273
 274     def delete_vserver_in_aai(self, vim_id, vserver_id, vserver_name):
 275         logger.debug("delete_vserver_in_aai start![%s]", vserver_name)
 276         try:
 277             cloud_owner, cloud_region_id = split_vim_to_owner_region(vim_id)
 278             # query vim_info from aai, get tenant
 279             vim_info = get_vim_by_id({"cloud_owner": cloud_owner, 'cloud_regionid': cloud_region_id})
 280             tenant_id = vim_info["tenantId"]
 281
 282             # query vserver instance in aai, get resource_version
 283             vserver_info = query_vserver_aai(cloud_owner, cloud_region_id, tenant_id, vserver_id)
 284             if vserver_info:
 285                 resource_version = vserver_info["resource-version"]
 286
 287                 # delete vserver instance from aai
 288                 resp_data, resp_status = delete_vserver_aai(cloud_owner, cloud_region_id,
 289                                                             tenant_id, vserver_id, resource_version)
 290                 logger.debug(
 291                     "Success to delete vserver instance[%s] from aai, resp_status: [%s]." %
 292                     (vserver_id, resp_status))
 293                 logger.debug("delete_vserver_in_aai end!")
 294         except RequestException:
 295             logger.debug("Vserver has been deleted from aai")
 296         except NSLCMException as e:
 297             logger.debug("Fail to delete vserver from aai, detail message: %s" % e.args[0])
 298         except:
 299             logger.error(traceback.format_exc())
 300
 301
 302 class HandleVnfIdentifierCreationNotification(object):
 303     def __init__(self, vnfmId, vnfInstanceId, data):
 304         logger.debug("[Notify VNF Identifier Creation] vnfmId=%s, vnfInstanceId=%s, data=%s" % (vnfmId, vnfInstanceId, data))
 305         self.vnfm_id = vnfmId
 306         self.m_vnf_instance_id = vnfInstanceId
 307         self.time_stamp = ignore_case_get(data, 'timeStamp')
 308         # TODO: self.subscription_id = ignore_case_get(data, 'subscriptionId')
 309         # TODO: self._links = ignore_case_get(data, '_links')
 310
 311     def do_biz(self):
 312         try:
 313             NfInstModel(
 314                 nfinstid=str(uuid.uuid4()),
 315                 mnfinstid=self.m_vnf_instance_id,
 316                 vnfm_inst_id=self.vnfm_id,
 317                 create_time=self.time_stamp
 318             ).save()
 319             logger.debug("Notify VNF identifier creation end.")
 320         except Exception:
 321             logger.error(traceback.format_exc())
 322             exception('unexpected exception')
 323
 324
 325 class HandleVnfIdentifierDeletionNotification(object):
 326     def __init__(self, vnfmId, vnfInstanceId, data):
 327         logger.debug("[Notify VNF Identifier Deletion] vnfmId=%s, vnfInstanceId=%s, data=%s" % (vnfmId, vnfInstanceId, data))
 328         self.vnfm_id = vnfmId
 329         self.m_vnf_instance_id = vnfInstanceId
 330         self.vnf_instance_id = get_vnfinstid(self.m_vnf_instance_id, self.vnfm_id)
 331         self.time_stamp = ignore_case_get(data, 'timeStamp')
 332         # TODO: self.subscription_id = ignore_case_get(data, 'subscriptionId')
 333         # TODO: self._links = ignore_case_get(data, '_links')
 334
 335     def do_biz(self):
 336         try:
 337             nf_insts = NfInstModel.objects.filter(
 338                 mnfinstid=self.m_vnf_instance_id, vnfm_inst_id=self.vnfm_id)
 339             if nf_insts.exists():
 340                 nf_insts.delete()
 341             logger.debug("Notify VNF identifier deletion end.")
 342         except Exception:
 343             logger.error(traceback.format_exc())
 344             exception('unexpected exception')
 345
 346
 347 def get_vnfinstid(mnfinstid, vnfm_inst_id):
 348     logger.debug("vnfinstid in vnfm is:%s,vnfmid is:%s", mnfinstid, vnfm_inst_id)
 349     logger.debug("mnfinstid=%s, vnfm_inst_id=%s", mnfinstid, vnfm_inst_id)
 350     nfinst = NfInstModel.objects.filter(mnfinstid=mnfinstid, vnfm_inst_id=vnfm_inst_id).first()
 351     if nfinst:
 352         return nfinst.nfinstid
 353     raise NSLCMException("vnfinstid not exist")
 354
 355
 356 def exception(error_msg):
 357     logger.error('Notify Lcm failed, detail message: %s' % error_msg)
 358     return Response(data={'error': '%s' % error_msg}, status=status.HTTP_409_CONFLICT)