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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 json
import logging
from lcm.ns.const import NS_INSTANCE_BASE_URI
from lcm.ns.enum import OWNER_TYPE
from lcm.pub.database.models import NSInstModel
from lcm.pub.database.models import NfInstModel
from lcm.pub.database.models import VLInstModel
from lcm.pub.database.models import CPInstModel
from lcm.pub.database.models import VNFFGInstModel
from lcm.pub.database.models import PNFInstModel
logger = logging.getLogger(__name__)
class GetNSInfoService(object):
"""
Get NS instance Model
"""
def __init__(self, ns_filter=None):
self.ns_filter = ns_filter
def get_ns_info(self, is_sol=False):
"""
Get all the ns instance models
:param is_sol:
:return:
"""
if self.ns_filter and "ns_inst_id" in self.ns_filter:
ns_inst_id = self.ns_filter["ns_inst_id"]
ns_insts = NSInstModel.objects.filter(id=ns_inst_id)
else:
ns_insts = NSInstModel.objects.all()
result = []
for ns_inst in ns_insts:
if ns_inst.status != 'null':
result.append(self.get_single_ns_info(ns_inst, is_sol))
return result
def get_single_ns_info(self, ns_inst, is_sol=False):
"""
Get a ns instance model
:param ns_inst:
:param is_sol:
:return:
"""
if is_sol:
nsInstance = {}
nsInstance['id'] = ns_inst.id
nsInstance['nsInstanceName'] = ns_inst.name
nsInstance['nsInstanceDescription'] = ns_inst.description
nsInstance['nsdId'] = ns_inst.nsd_id
nsInstance['nsdInfoId'] = ns_inst.nspackage_id
nsInstance['nsState'] = ns_inst.status
if ns_inst.nsd_invariant_id:
nsInstance['nsdInvariantId'] = ns_inst.nsd_invariant_id
if ns_inst.flavour_id:
nsInstance['flavourId'] = ns_inst.flavour_id
# todo 'nsScaleStatus':{}
# todo 'additionalAffinityOrAntiAffinityRule':{}
logger.debug(" test ")
vnf_instance_list = self.get_vnf_infos(ns_inst.id, is_sol)
if vnf_instance_list:
nsInstance['vnfInstance'] = vnf_instance_list
# todo 'pnfInfo': self.get_pnf_infos(ns_inst.id,is_sol),
vl_list = self.get_vl_infos(ns_inst.id, is_sol)
if vl_list:
nsInstance['virtualLinkInfo'] = vl_list
# todo 'vnffgInfo': self.get_vnffg_infos(ns_inst.id, ns_inst.nsd_model),
# todo 'sapInfo':{},
# todo nestedNsInstanceId
logger.debug(" test ")
nsInstance['_links'] = {
'self': {'href': NS_INSTANCE_BASE_URI % ns_inst.id},
'instantiate': {'href': NS_INSTANCE_BASE_URI % ns_inst.id + '/instantiate'},
'terminate': {'href': NS_INSTANCE_BASE_URI % ns_inst.id + '/terminate'},
'update': {'href': NS_INSTANCE_BASE_URI % ns_inst.id + '/update'},
'scale': {'href': NS_INSTANCE_BASE_URI % ns_inst.id + '/scale'},
'heal': {'href': NS_INSTANCE_BASE_URI % ns_inst.id + '/heal'}
}
logger.debug(" test ")
return nsInstance
return {
'nsInstanceId': ns_inst.id,
'nsName': ns_inst.name,
'description': ns_inst.description,
'nsdId': ns_inst.nsd_id,
'nsdInvariantId': ns_inst.nsd_invariant_id,
'vnfInfo': self.get_vnf_infos(ns_inst.id, is_sol),
'pnfInfo': self.get_pnf_infos(ns_inst.id),
'vlInfo': self.get_vl_infos(ns_inst.id, is_sol),
'vnffgInfo': self.get_vnffg_infos(ns_inst.id, ns_inst.nsd_model, is_sol),
'nsState': ns_inst.status}
@staticmethod
def get_vnf_infos(ns_inst_id, is_sol):
"""
VNF info
:param ns_inst_id:
:param is_sol:
:return:
"""
vnfs = NfInstModel.objects.filter(ns_inst_id=ns_inst_id)
if is_sol:
return [{
'id': vnf.nfinstid,
'vnfInstanceName': vnf.nf_name,
'vnfdId': vnf.template_id,
'vnfProvider': vnf.vendor,
'vnfSoftwareVersion': vnf.version,
'vnfProductName': vnf.nf_name, # todo
'vnfdVersion': vnf.version, # todo
'vnfPkgId': vnf.package_id,
'instantiationState': vnf.status
} for vnf in vnfs]
return [{
'vnfInstanceId': vnf.nfinstid,
'vnfInstanceName': vnf.nf_name,
'vnfProfileId': vnf.vnf_id} for vnf in vnfs]
def get_vl_infos(self, ns_inst_id, is_sol):
"""
VL info
:param ns_inst_id:
:param is_sol:
:return:
"""
vls = VLInstModel.objects.filter(ownertype=OWNER_TYPE.NS, ownerid=ns_inst_id)
if is_sol:
return [
{
'id': vl.vlinstanceid,
'nsVirtualLinkDescId': vl.vldid,
'nsVirtualLinkProfileId': vl.vldid,
'vlInstanceName': vl.vlinstancename,
'resourceHandle': [{
'vimConnectionId': vl.vimid,
'resourceId': vl.relatednetworkid,
'vimLevelResourceType': vl.vltype
}],
# todo 'linkPort': self.get_cp_infos(vl.vlinstanceid,is_sol),
'networkId': vl.relatednetworkid,
'subNetworkid': vl.relatedsubnetworkid
} for vl in vls]
return [{
'vlInstanceId': vl.vlinstanceid,
'vlInstanceName': vl.vlinstancename,
'vldId': vl.vldid,
'relatedCpInstanceId': self.get_cp_infos(vl.vlinstanceid)} for vl in vls]
@staticmethod
def get_cp_infos(vl_inst_id):
"""
CP info
:param vl_inst_id:
:return:
"""
cps = CPInstModel.objects.filter(relatedvl__icontains=vl_inst_id)
return [{
'cpInstanceId': cp.cpinstanceid,
'cpInstanceName': cp.cpname,
'cpdId': cp.cpdid} for cp in cps]
def get_vnffg_infos(self, ns_inst_id, nsd_model, is_sol):
"""
VNFFG info
:param ns_inst_id:
:param nsd_model:
:param is_sol:
:return:
"""
vnffgs = VNFFGInstModel.objects.filter(nsinstid=ns_inst_id)
return [{
'vnffgInstanceId': vnffg.vnffginstid,
'vnfId': self.convert_string_to_list(vnffg.vnflist),
'pnfId': self.get_pnf_ids(nsd_model),
'virtualLinkId': self.convert_string_to_list(vnffg.vllist),
'cpId': self.convert_string_to_list(vnffg.cplist),
'nfp': self.convert_string_to_list(vnffg.fplist)} for vnffg in vnffgs]
@staticmethod
def get_pnf_ids(nsd_model):
"""
PNF ids
:param nsd_model:
:return:
"""
context = json.loads(nsd_model)
pnfs = context['pnfs']
return [pnf['pnf_id'] for pnf in pnfs]
@staticmethod
def convert_string_to_list(detail_id_string):
if not detail_id_string:
return None
return detail_id_string.split(',')
@staticmethod
def get_pnf_infos(ns_instance_id):
"""
PNF infos
:param ns_instance_id:
:return:
"""
pnfs = PNFInstModel.objects.filter(nsInstances__contains=ns_instance_id)
return [pnf.__dict__ for pnf in pnfs]
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