lcm/ns/vnfs/notify_lcm.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 import uuid
  15 import logging
  16 import traceback
  17
  18 from rest_framework import status
  19 from rest_framework.response import Response
  20 from lcm.ns.vnfs.const import INST_TYPE
  21 from lcm.pub.exceptions import NSLCMException
  22 from lcm.pub.database.models import VNFCInstModel, VLInstModel, NfInstModel, PortInstModel, CPInstModel, VmInstModel
  23 from lcm.pub.utils.values import ignore_case_get
  24
  25
  26 logger = logging.getLogger(__name__)
  27
  28
  29 class NotifyLcm(object):
  30     def __init__(self, vnfmid, vnfInstanceId, data):
  31         logger.debug("[Notify LCM] vnfmid=%s, vnfInstanceId=%s, data=%s" % (vnfmid, vnfInstanceId, data))
  32         self.vnf_instid = ''
  33         self.vnfmid = vnfmid
  34         self.m_vnfInstanceId = vnfInstanceId
  35         self.status = ignore_case_get(data, 'status')
  36         self.operation = ignore_case_get(data, 'operation')
  37         self.lcm_jobid = ignore_case_get(data, 'jobId')
  38         self.vnfdmodule = ignore_case_get(data, 'vnfdmodule')
  39         self.affectedVnfc = ignore_case_get(data, 'affectedVnfc')
  40         self.affectedVl = ignore_case_get(data, 'affectedVl')
  41         self.affectedCp = ignore_case_get(data, 'affectedCp')
  42         self.affectedVirtualStorage = ignore_case_get(data, 'affectedVirtualStorage')
  43
  44     def do_biz(self):
  45         try:
  46             self.vnf_instid = self.get_vnfinstid(self.m_vnfInstanceId, self.vnfmid)
  47             self.update_Vnfc()
  48             self.update_Vl()
  49             self.update_Cp()
  50             self.update_Storage()
  51             logger.debug("notify lcm end")
  52         except NSLCMException as e:
  53             self.exception(e.message)
  54         except Exception:
  55             logger.error(traceback.format_exc())
  56             self.exception('unexpected exception')
  57
  58     def get_vnfinstid(self, mnfinstid, vnfm_inst_id):
  59         nfinst = NfInstModel.objects.filter(mnfinstid=mnfinstid, vnfm_inst_id=vnfm_inst_id).first()
  60         if nfinst:
  61             return nfinst.nfinstid
  62         else:
  63             self.exception('vnfinstid not exist')
  64
  65     def exception(self, error_msg):
  66         logger.error('Notify Lcm failed, detail message: %s' % error_msg)
  67         return Response(data={'error': '%s' % error_msg}, status=status.HTTP_409_CONFLICT)
  68
  69     def update_Vnfc(self):
  70         for vnfc in self.affectedVnfc:
  71             vnfcInstanceId = ignore_case_get(vnfc, 'vnfcInstanceId')
  72             vduId = ignore_case_get(vnfc, 'vduId')
  73             changeType = ignore_case_get(vnfc, 'changeType')
  74             vimId = ignore_case_get(vnfc, 'vimid')
  75             vmId = ignore_case_get(vnfc, 'vmid')
  76             vmName = ignore_case_get(vnfc, 'vmname')
  77
  78             if changeType == 'added':
  79                 VNFCInstModel(vnfcinstanceid=vnfcInstanceId, vduid=vduId,
  80                               nfinstid=self.vnf_instid, vmid=vmId).save()
  81                 VmInstModel(vmid=vmId, vimid=vimId, resouceid=vmId, insttype=INST_TYPE.VNF,
  82                             instid=self.vnf_instid, vmname=vmName, hostid='1').save()
  83             elif changeType == 'removed':
  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                 self.exception('affectedVnfc struct error: changeType not in {added,removed,modified}')
  91
  92     def update_Vl(self):
  93         for vl in self.affectedVl:
  94             vlInstanceId = ignore_case_get(vl, 'vlInstanceId')
  95             vldid = ignore_case_get(vl, 'vldid')
  96             changeType = ignore_case_get(vl, 'changeType')
  97             networkResource = ignore_case_get(vl, 'networkResource')
  98             resourceType = ignore_case_get(networkResource, 'resourceType')
  99             resourceId = ignore_case_get(networkResource, 'resourceId')
 100
 101             if resourceType != 'network':
 102                 self.exception('affectedVl struct error: resourceType not euqal network')
 103
 104             ownerId = self.vnf_instid
 105             ownerId = self.get_vnfinstid(self.vnf_instid, self.vnfmid)
 106
 107             if changeType == 'added':
 108                 VLInstModel(vlInstanceId=vlInstanceId, vldId=vldid, ownerType=0, ownerId=ownerId,
 109                             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, ownerType=0, ownerId=ownerId, relatedNetworkId=resourceId, vlType=0)
 115             else:
 116                 self.exception('affectedVl struct error: changeType not in {added,removed,modified}')
 117
 118     def update_Cp(self):
 119         for cp in self.affectedCp:
 120             virtualLinkInstanceId = ignore_case_get(cp, 'virtualLinkInstanceId')
 121             ownertype = ignore_case_get(cp, 'ownertype')
 122             if not ownertype:
 123                 ownertype = 0
 124             ownerid = self.vnf_instid if str(ownertype) == "0" else ignore_case_get(cp, 'ownerid')
 125             cpInstanceId = ignore_case_get(cp, 'cpinstanceid')
 126             cpdId = ignore_case_get(cp, 'cpdid')
 127             changeType = ignore_case_get(cp, 'changetype')
 128             relatedportId = ''
 129             portResource = ignore_case_get(cp, 'portResource')
 130             if portResource:
 131                 vimId = ignore_case_get(portResource, 'vimid')
 132                 resourceId = ignore_case_get(portResource, 'resourceid')
 133                 resourceName = ignore_case_get(portResource, 'resourceName')
 134                 tenant = ignore_case_get(portResource, 'tenant')
 135                 ipAddress = ignore_case_get(portResource, 'ipAddress')
 136                 macAddress = ignore_case_get(portResource, 'macAddress')
 137                 instId = ignore_case_get(portResource, 'instId')
 138                 portid = str(uuid.uuid4())
 139                 PortInstModel(portid=portid, networkid='unknown', subnetworkid='unknown', vimid=vimId,
 140                               resourceid=resourceId, name=resourceName, instid=instId, cpinstanceid=cpInstanceId,
 141                               bandwidth='unknown', operationalstate='active', ipaddress=ipAddress, macaddress=macAddress,
 142                               floatipaddress='unknown', serviceipaddress='unknown', typevirtualnic='unknown',
 143                               sfcencapsulation='gre', direction='unknown', tenant=tenant).save()
 144                 relatedportId = portid
 145
 146             if changeType == 'added':
 147                 CPInstModel(cpinstanceid=cpInstanceId, cpdid=cpdId, ownertype=ownertype, ownerid=ownerid,
 148                             relatedtype=2, relatedport=relatedportId, status='active').save()
 149             elif changeType == 'removed':
 150                 CPInstModel.objects.filter(cpinstanceid=cpInstanceId).delete()
 151             elif changeType == 'changed':
 152                 CPInstModel.objects.filter(cpinstanceid=cpInstanceId).update(cpdid=cpdId, ownertype=ownertype,
 153                                                                              ownerid=ownerid,
 154                                                                              vlinstanceid=virtualLinkInstanceId,
 155                                                                              relatedtype=2, relatedport=relatedportId)
 156             else:
 157                 self.exception('affectedVl struct error: changeType not in {added,removed,modified}')
 158
 159     def update_Storage(self):
 160         pass
 161
 162     def update_vnf_by_vnfdmodule(self):
 163         NfInstModel.objects.filter(nfinstid=self.vnf_instid).update(vnfd_model=self.vnfdmodule)