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# Copyright 2016 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import traceback
from rest_framework import status
from rest_framework.response import Response
from lcm.ns.vnfs.const import INST_TYPE
from lcm.pub.config.config import REPORT_TO_AAI
from lcm.pub.exceptions import NSLCMException
from lcm.pub.database.models import VNFCInstModel, VLInstModel, NfInstModel, VmInstModel
from lcm.pub.msapi.aai import query_vserver_aai, \
delete_vserver_aai
from lcm.pub.utils.values import ignore_case_get
from lcm.pub.msapi.extsys import split_vim_to_owner_region, get_vim_by_id
from lcm.pub.msapi.aai import create_vserver_aai
logger = logging.getLogger(__name__)
class HandleVnfLcmOocNotification(object):
def __init__(self, vnfmid, vnfInstanceId, data):
logger.debug("[Notify LCM] vnfmid=%s, vnfInstanceId=%s, data=%s" % (vnfmid, vnfInstanceId, data))
self.vnf_instid = ''
self.vnfmid = vnfmid
self.m_vnfInstanceId = vnfInstanceId
self.operation = ignore_case_get(data, 'operation')
self.affectedVnfcs = ignore_case_get(data, 'affectedVnfcs')
self.affectedVls = ignore_case_get(data, 'affectedVls')
self.affectedCps = ignore_case_get(data, 'changedExtConnectivity')
self.affectedVirtualStorage = ignore_case_get(data, 'affectedVirtualStorages')
def do_biz(self):
try:
self.vnf_instid = self.get_vnfinstid(self.m_vnfInstanceId, self.vnfmid)
self.update_Vnfc()
self.update_Vl()
# self.update_Cp()
# self.update_Storage()
# if REPORT_TO_AAI:
# self.update_network_in_aai()
logger.debug("notify lcm end")
except NSLCMException as e:
self.exception(e.message)
except Exception:
logger.error(traceback.format_exc())
self.exception('unexpected exception')
def get_vnfinstid(self, mnfinstid, vnfm_inst_id):
logger.debug("vnfinstid in vnfm is:%s,vnfmid is:%s", mnfinstid, vnfm_inst_id)
logger.debug("mnfinstid=%s, vnfm_inst_id=%s", mnfinstid, vnfm_inst_id)
nfinst = NfInstModel.objects.filter(mnfinstid=mnfinstid, vnfm_inst_id=vnfm_inst_id).first()
if nfinst:
return nfinst.nfinstid
raise NSLCMException("vnfinstid not exist")
def exception(self, error_msg):
logger.error('Notify Lcm failed, detail message: %s' % error_msg)
return Response(data={'error': '%s' % error_msg}, status=status.HTTP_409_CONFLICT)
def update_Vnfc(self):
for vnfc in self.affectedVnfcs:
vnfcInstanceId = ignore_case_get(vnfc, 'id')
vduId = ignore_case_get(vnfc, 'vduId')
changeType = ignore_case_get(vnfc, 'changeType')
computeResource = ignore_case_get(vnfc, 'computeResource')
vimId = ignore_case_get(computeResource, "vimConnectionId")
vmId = ignore_case_get(computeResource, 'resourceId')
vmName = ignore_case_get(computeResource, 'resourceId') # replaced with resouceId temporarily
if changeType == 'added':
VNFCInstModel(vnfcinstanceid=vnfcInstanceId, vduid=vduId,
nfinstid=self.vnf_instid, vmid=vmId).save()
VmInstModel(vmid=vmId, vimid=vimId, resouceid=vmId, insttype=INST_TYPE.VNF,
instid=self.vnf_instid, vmname=vmName, hostid='1').save()
if REPORT_TO_AAI:
self.create_vserver_in_aai(vimId, vmId, vmName)
elif changeType == 'removed':
if REPORT_TO_AAI:
self.delete_vserver_in_aai(vimId, vmId, vmName)
VNFCInstModel.objects.filter(vnfcinstanceid=vnfcInstanceId).delete()
elif changeType == 'modified':
VNFCInstModel.objects.filter(vnfcinstanceid=vnfcInstanceId).update(vduid=vduId,
nfinstid=self.vnf_instid,
vmid=vmId)
else:
self.exception('affectedVnfc struct error: changeType not in {added,removed,modified}')
logger.debug("Success to update all vserver to aai.")
def update_Vl(self):
for vl in self.affectedVls:
vlInstanceId = ignore_case_get(vl, 'id')
vldid = ignore_case_get(vl, 'virtualLinkDescId')
changeType = ignore_case_get(vl, 'changeType')
networkResource = ignore_case_get(vl, 'networkResource')
resourceType = ignore_case_get(networkResource, 'vimLevelResourceType')
resourceId = ignore_case_get(networkResource, 'resourceId')
resourceName = ignore_case_get(networkResource, 'resourceId') # replaced with resouceId temporarily
if resourceType != 'network':
self.exception('affectedVl struct error: resourceType not euqal network')
ownerId = self.get_vnfinstid(self.m_vnfInstanceId, self.vnfmid)
if changeType == 'added':
VLInstModel(vlinstanceid=vlInstanceId, vldid=vldid, vlinstancename=resourceName, ownertype=0,
ownerid=ownerId, relatednetworkid=resourceId, vltype=0).save()
elif changeType == 'removed':
VLInstModel.objects.filter(vlinstanceid=vlInstanceId).delete()
elif changeType == 'modified':
VLInstModel.objects.filter(vlinstanceid=vlInstanceId)\
.update(vldid=vldid, vlinstancename=resourceName, ownertype=0, ownerid=ownerId,
relatednetworkid=resourceId, vltype=0)
else:
self.exception('affectedVl struct error: changeType not in {added,removed,modified}')
def create_vserver_in_aai(self, vim_id, vserver_id, vserver_name):
logger.debug("NotifyLcm::create_vserver_in_aai::report vserver instance to aai.")
try:
cloud_owner, cloud_region_id = split_vim_to_owner_region(vim_id)
# query vim_info from aai
vim_info = get_vim_by_id(vim_id)
tenant_id = vim_info["tenantId"]
data = {
"vserver-id": vserver_id,
"vserver-name": vserver_name,
"prov-status": "ACTIVE",
"vserver-selflink": "",
"in-maint": True,
"is-closed-loop-disabled": False,
"relationship-list": {
"relationship": [
{
"related-to": "generic-vnf",
"relationship-data": [
{
"relationship-key": "generic-vnf.vnf-id",
"relationship-value": self.vnf_instid
}
]
}
]
}
}
# create vserver instance in aai
resp_data, resp_status = create_vserver_aai(cloud_owner, cloud_region_id, tenant_id, vserver_id, data)
logger.debug("Success to create vserver[%s] to aai, vnf instance=[%s], resp_status: [%s]."
% (vserver_id, self.vnf_instid, resp_status))
except NSLCMException as e:
logger.debug("Fail to create vserver to aai, vnf instance=[%s], detail message: %s"
% (self.vnf_instid, e.message))
except:
logger.error(traceback.format_exc())
def delete_vserver_in_aai(self, vim_id, vserver_id, vserver_name):
logger.debug("delete_vserver_in_aai start![%s]", vserver_name)
try:
cloud_owner, cloud_region_id = split_vim_to_owner_region(vim_id)
# query vim_info from aai, get tenant
vim_info = get_vim_by_id(vim_id)
tenant_id = vim_info["tenantId"]
# query vserver instance in aai, get resource_version
vserver_info = query_vserver_aai(cloud_owner, cloud_region_id, tenant_id, vserver_id)
resource_version = vserver_info["resource-version"]
# delete vserver instance from aai
resp_data, resp_status = delete_vserver_aai(cloud_owner, cloud_region_id,
tenant_id, vserver_id, resource_version)
logger.debug(
"Success to delete vserver instance[%s] from aai, resp_status: [%s]." %
(vserver_id, resp_status))
logger.debug("delete_vserver_in_aai end!")
except NSLCMException as e:
logger.debug("Fail to delete vserver from aai, detail message: %s" % e.message)
except:
logger.error(traceback.format_exc())
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