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# Copyright 2017 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
from lcm.pub.database.models import NfInstModel, StorageInstModel, VLInstModel, NetworkInstModel, VNFCInstModel, \
VmInstModel
from lcm.pub.exceptions import NFLCMException
logger = logging.getLogger(__name__)
class QueryVnf:
def __init__(self, data, instanceid=''):
self.vnf_inst_id = instanceid
self.data = data
def query_single_vnf(self):
vnf_inst = NfInstModel.objects.filter(nfinstid=self.vnf_inst_id)
if not vnf_inst.exists():
raise NFLCMException('VnfInst(%s) does not exist.' % self.vnf_inst_id)
resp_data = self.fill_resp_data(vnf_inst[0])
return resp_data
def query_multi_vnf(self):
vnf_insts = NfInstModel.objects.all()
if not vnf_insts:
raise NFLCMException('VnfInsts does not exist.')
resp_data = []
for vnf_inst in vnf_insts:
resp_data.append(self.fill_resp_data(vnf_inst))
return resp_data
def fill_resp_data(self, vnf):
logger.info('Get storages')
storage_inst = StorageInstModel.objects.filter(instid=vnf.nfinstid)
arr = []
for s in storage_inst:
storage = {
"id": s.storageid,
"storageResource": {
"vimConnectionId": s.vimid,
"resourceId": s.resourceid
}
}
arr.append(storage)
logger.info('Get networks')
vl_inst = VLInstModel.objects.filter(ownerid=vnf.nfinstid)
vl_arr = []
for v in vl_inst:
net = NetworkInstModel.objects.filter(networkid=v.relatednetworkid)
if not net:
raise NFLCMException('NetworkInst(%s) does not exist.' % v.relatednetworkid)
v_dic = {
"id": v.vlinstanceid,
"virtualLinkDescId": v.vldid,
"networkResource": {
"vimConnectionId": net[0].vimid,
"resourceId": net[0].resourceid
}
}
vl_arr.append(v_dic)
logger.info('Get vnfcs')
vnfc_insts = VNFCInstModel.objects.filter(instid=vnf.nfinstid)
vnfc_arr = []
for vnfc in vnfc_insts:
vm = VmInstModel.objects.filter(vmid=vnfc.vmid)
if not vm:
raise NFLCMException('VmInst(%s) does not exist.' % vnfc.vmid)
storage = StorageInstModel.objects.filter(vimid=vm[0].vmid)
# TODO: previously, ownerid=vm[0].vmid, but ownerid is not a field of StorageInstModel.
if not storage:
raise NFLCMException('StorageInst(%s) does not exist.' % vm[0].vmid)
vnfc_dic = {
"id": vnfc.vnfcinstanceid,
"vduId": vnfc.vduid,
"computeResource": {
"vimConnectionId": vm[0].vimid,
"resourceId": vm[0].resourceid
},
"storageResourceIds": [s.storageid for s in storage]
}
vnfc_arr.append(vnfc_dic)
logger.info('Get vms')
resp_data = {
"id": vnf.nfinstid,
"vnfInstanceName": vnf.nf_name,
"vnfPkgId": vnf.package_id,
"vnfdVersion": vnf.version,
"vnfProvider": vnf.vendor,
"instantiationState": vnf.status,
"instantiatedVnfInfo": {
"flavourId": vnf.flavour_id,
"vnfState": "STARTED",
"scaleStatus": [],
"extCpInfo": [],
"extVirtualLinkInfo": [],
"monitoringParameters": {},
"vnfcResourceInfo": vnfc_arr,
"vnfVirtualLinkResourceInfo": vl_arr,
"virtualStorageResourceInfo": arr
}
}
return resp_data
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