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