1 # Copyright 2016 ZTE Corporation.
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
7 # http://www.apache.org/licenses/LICENSE-2.0
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.
18 from threading import Thread
19 from lcm.ns.const import OWNER_TYPE
21 from lcm.ns.vnfs.const import VNF_STATUS, NFVO_VNF_INST_TIMEOUT_SECOND, INST_TYPE, INST_TYPE_NAME
22 from lcm.ns.vnfs.wait_job import wait_job_finish
23 from lcm.pub.database.models import NfPackageModel, NfInstModel, NSInstModel, VmInstModel, VNFFGInstModel, VLInstModel
24 from lcm.pub.exceptions import NSLCMException
25 from lcm.pub.msapi.aai import create_vnf_aai
26 from lcm.pub.msapi.extsys import get_vnfm_by_id
27 from lcm.pub.msapi.resmgr import create_vnf, create_vnf_creation_info
28 from lcm.pub.msapi.vnfmdriver import send_nf_init_request
29 from lcm.pub.utils.jobutil import JOB_MODEL_STATUS, JobUtil, JOB_TYPE
30 from lcm.pub.utils.share_lock import do_biz_with_share_lock
31 from lcm.pub.utils.timeutil import now_time
32 from lcm.pub.utils.values import ignore_case_get
34 logger = logging.getLogger(__name__)
37 def prepare_create_params():
38 nf_inst_id = str(uuid.uuid4())
39 NfInstModel(nfinstid=nf_inst_id, status=VNF_STATUS.INSTANTIATING, create_time=now_time(),
40 lastuptime=now_time()).save()
41 job_id = JobUtil.create_job(INST_TYPE_NAME.VNF, JOB_TYPE.CREATE_VNF, nf_inst_id)
42 JobUtil.add_job_status(job_id, 0, 'create vnf record in database.', 0)
43 return nf_inst_id, job_id
46 class CreateVnfs(Thread):
47 def __init__(self, data, nf_inst_id, job_id):
48 super(CreateVnfs, self).__init__()
50 self.nf_inst_id = nf_inst_id
55 self.ns_inst_name = ''
58 self.vnf_inst_name = ''
59 self.vnfm_inst_id = ''
61 self.nf_package_info = ''
62 self.vnfm_nf_inst_id = ''
64 self.vnfm_inst_name = ''
70 self.check_nf_name_exist()
72 self.check_nf_package_valid()
73 self.send_nf_init_request_to_vnfm()
74 self.send_get_vnfm_request_to_extsys()
75 self.send_create_vnf_request_to_resmgr()
76 self.wait_vnfm_job_finish()
77 self.write_vnf_creation_info()
78 self.save_info_to_db()
79 self.create_vnf_in_aai()
80 except NSLCMException as e:
81 self.vnf_inst_failed_handle(e.message)
83 logger.error(traceback.format_exc())
84 self.vnf_inst_failed_handle('unexpected exception')
87 self.ns_inst_id = self.data['ns_instance_id']
88 vnf_index = int(float(self.data['vnf_index'])) - 1
89 additional_vnf_info = self.data['additional_param_for_vnf'][vnf_index]
90 self.vnf_id = ignore_case_get(additional_vnf_info, 'vnfProfileId')
91 additional_param = ignore_case_get(additional_vnf_info, 'additionalParam')
92 self.vnfm_inst_id = ignore_case_get(additional_param, 'vnfmInstanceId')
93 para = ignore_case_get(additional_param, 'inputs')
94 self.inputs = json.loads(para) if isinstance(para, (str, unicode)) else para
95 self.vim_id = ignore_case_get(additional_param, 'vimId')
96 self.vnfd_id = ignore_case_get(additional_param, 'vnfdId')
98 def check_nf_name_exist(self):
99 is_exist = NfInstModel.objects.filter(nf_name=self.vnf_inst_name).exists()
101 logger.error('The name of NF instance already exists.')
102 raise NSLCMException('The name of NF instance already exists.')
104 def get_vnfd_id(self):
106 logger.debug("need not get vnfd_id")
107 self.nsd_model={'vnfs': [], 'vls': [], 'vnffgs': []}
108 self.vnf_inst_name = self.vnfd_id + str(uuid.uuid4())
109 self.vnf_inst_name = self.vnf_inst_name[:30]
111 ns_inst_info = NSInstModel.objects.get(id=self.ns_inst_id)
112 self.ns_inst_name = ns_inst_info.name
113 self.nsd_model = json.loads(ns_inst_info.nsd_model)
114 for vnf_info in self.nsd_model['vnfs']:
115 if self.vnf_id == vnf_info['vnf_id']:
116 self.vnfd_id = vnf_info['properties']['id']
117 if 'name' not in vnf_info['properties']:
118 self.vnf_inst_name = self.vnfd_id + str(uuid.uuid4())
120 self.vnf_inst_name = vnf_info['properties']['name'] + str(uuid.uuid4())
121 self.vnf_inst_name = self.vnf_inst_name[:30]
123 logger.error('Can not found vnf in nsd model')
124 raise NSLCMException('Can not found vnf in nsd model')
126 def check_nf_package_valid(self):
127 nf_package_info = NfPackageModel.objects.filter(vnfdid=self.vnfd_id)
128 if not nf_package_info:
129 logger.info('NF package not exist.')
130 raise NSLCMException('NF package not exist.')
131 self.nf_package_info = nf_package_info[0]
132 self.vnfd_model = json.loads(self.nf_package_info.vnfdmodel)
134 def get_virtual_link_info(self, vnf_id):
135 virtual_link_list, ext_virtual_link = [], []
136 for vnf_info in self.nsd_model['vnfs']:
137 if vnf_info['vnf_id'] != vnf_id:
139 for network_info in vnf_info['networks']:
140 vl_instance = VLInstModel.objects.get(
141 vldid=network_info['vl_id'],
142 ownertype=OWNER_TYPE.NS,
143 ownerid=self.ns_inst_id)
144 vl_instance_id = vl_instance.vlinstanceid
145 network_name, subnet_name = self.get_network_info_of_vl(network_info['vl_id'])
146 virtual_link_list.append({
147 'network_name': network_name,
148 'key_name': network_info['key_name'],
149 'subnetwork_name': subnet_name,
150 'vl_instance_id': vl_instance_id
152 ext_virtual_link.append({
153 "vlInstanceId": vl_instance_id,
154 "resourceId": vl_instance.relatednetworkid,
155 "resourceSubnetId": vl_instance.relatedsubnetworkid,
156 "cpdId": self.get_cpd_id_of_vl(network_info['key_name']),
158 "vimid": vl_instance.vimid
161 return virtual_link_list, ext_virtual_link
163 def get_cpd_id_of_vl(self, vl_key):
164 for cpd in self.vnfd_model["vnf_exposed"]["external_cps"]:
165 if vl_key == cpd["key_name"]:
169 def get_network_info_of_vl(self, vl_id):
170 for vnf_info in self.nsd_model['vls']:
171 if vnf_info['vl_id'] == vl_id:
172 return vnf_info['properties']['network_name'], vnf_info['properties']['name']
175 def send_nf_init_request_to_vnfm(self):
176 virtual_link_list, ext_virtual_link = self.get_virtual_link_info(self.vnf_id)
177 req_param = json.JSONEncoder().encode({
178 'vnfInstanceName': self.vnf_inst_name,
179 'vnfPackageId': self.nf_package_info.nfpackageid,
180 'vnfDescriptorId': self.vnfd_id,
181 'extVirtualLink': ext_virtual_link,
182 'additionalParam': {"inputs": self.inputs,
183 "vimId": self.vim_id,
184 "extVirtualLinks": virtual_link_list}})
185 rsp = send_nf_init_request(self.vnfm_inst_id, req_param)
186 self.vnfm_job_id = ignore_case_get(rsp, 'jobId')
187 self.vnfm_nf_inst_id = ignore_case_get(rsp, 'vnfInstanceId')
189 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(
190 mnfinstid=self.vnfm_nf_inst_id,
191 nf_name=self.vnf_inst_name,
193 package_id=self.nf_package_info.nfpackageid,
194 vnfm_inst_id=self.vnfm_inst_id,
195 ns_inst_id=self.ns_inst_id,
196 version=self.nf_package_info.vnfversion,
197 vendor=self.nf_package_info.vendor,
198 vnfd_model=self.vnfd_model,
199 input_params=json.JSONEncoder().encode(self.inputs),
200 lastuptime=now_time())
202 def send_get_vnfm_request_to_extsys(self):
203 resp_body = get_vnfm_by_id(self.vnfm_inst_id)
204 self.vnfm_inst_name = ignore_case_get(resp_body, 'name')
206 def send_create_vnf_request_to_resmgr(self):
207 pkg_vnfd = json.loads(self.nf_package_info.vnfdmodel)
209 'nf_inst_id': self.nf_inst_id,
210 'vnfm_nf_inst_id': self.vnfm_nf_inst_id,
211 'vnf_inst_name': self.vnf_inst_name,
212 'ns_inst_id': self.ns_inst_id,
213 'ns_inst_name': self.ns_inst_name,
214 'nf_inst_name': self.vnf_inst_name,
215 'vnfm_inst_id': self.vnfm_inst_id,
216 'vnfm_inst_name': self.vnfm_inst_name,
217 'vnfd_name': pkg_vnfd['metadata'].get('name', 'undefined'),
218 'vnfd_id': self.vnfd_id,
219 'job_id': self.job_id,
220 'nf_inst_status': VNF_STATUS.INSTANTIATING,
221 'vnf_type': pkg_vnfd['metadata'].get('vnf_type', 'undefined'),
222 'nf_package_id': self.nf_package_info.nfpackageid}
225 def wait_vnfm_job_finish(self):
226 ret = wait_job_finish(vnfm_id=self.vnfm_inst_id, vnfo_job_id=self.job_id,
227 vnfm_job_id=self.vnfm_job_id, progress_range=[10, 90],
228 timeout=NFVO_VNF_INST_TIMEOUT_SECOND)
230 if ret != JOB_MODEL_STATUS.FINISHED:
231 logger.error('VNF instantiation failed on VNFM side.')
232 raise NSLCMException('VNF instantiation failed on VNFM side.')
234 def write_vnf_creation_info(self):
235 logger.debug("write_vnf_creation_info start")
236 vm_inst_infos = VmInstModel.objects.filter(insttype=INST_TYPE.VNF, instid=self.nf_inst_id)
238 'nf_inst_id': self.nf_inst_id,
239 'ns_inst_id': self.ns_inst_id,
240 'vnfm_inst_id': self.vnfm_inst_id,
241 'vms': [{'vmId': vm_inst_info.resouceid, 'vmName': vm_inst_info.vmname, 'vmStatus': 'ACTIVE'} for
242 vm_inst_info in vm_inst_infos]}
243 create_vnf_creation_info(data)
244 logger.debug("write_vnf_creation_info end")
246 def save_info_to_db(self):
247 logger.debug("save_info_to_db start")
248 do_biz_with_share_lock("set-vnflist-in-vnffginst-%s" % self.ns_inst_id, self.save_vnf_inst_id_in_vnffg)
249 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.ACTIVE, lastuptime=now_time())
250 JobUtil.add_job_status(self.job_id, 100, 'vnf instantiation success', 0)
251 logger.debug("save_info_to_db end")
253 def vnf_inst_failed_handle(self, error_msg):
254 logger.error('VNF instantiation failed, detail message: %s' % error_msg)
255 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.FAILED,
256 lastuptime=now_time())
257 JobUtil.add_job_status(self.job_id, 255, 'VNF instantiation failed, detail message: %s' % error_msg, 0)
259 def save_vnf_inst_id_in_vnffg(self):
260 vnffgs = self.nsd_model['vnffgs']
262 if self.vnf_id not in vnffg['members']:
264 vnffg_inst_infos = VNFFGInstModel.objects.filter(vnffgdid=vnffg['vnffg_Id'], nsinstid=self.ns_inst_id)
265 if not vnffg_inst_infos:
266 logger.error('Vnffg instance not exist.')
267 raise NSLCMException('Vnffg instance not exist.')
268 vnf_list = vnffg_inst_infos[0].vnflist
269 vnffg_inst_infos.update(vnf_list=vnf_list + ',' + self.nf_inst_id if vnf_list else self.nf_inst_id)
272 def create_vnf_in_aai(self):
273 logger.debug("CreateVnfs::create_vnf_in_aai::report vnf instance[%s] to aai." % self.nf_inst_id)
275 "vnf-id": self.nf_inst_id,
276 "vnf-name": self.vnf_inst_name,
277 "vnf-type": "vnf-type-test111",
278 "service-id": self.ns_inst_id,
280 "is-closed-loop-disabled": False
282 resp_data, resp_status = create_vnf_aai(self.nf_inst_id, data)
284 logger.debug("Fail to create vnf instance[%s] to aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))
286 logger.debug("Success to create vnf instance[%s] to aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))