1 # Copyright 2016-2017 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.
21 from rest_framework import status
23 from lcm.pub.database.models import DefPkgMappingModel, ServiceBaseInfoModel, InputParamMappingModel
24 from lcm.pub.database.models import NSInstModel, NfPackageModel, VNFFGInstModel
25 from lcm.pub.msapi.catalog import get_process_id, get_download_url_from_catalog
26 from lcm.pub.msapi.catalog import query_rawdata_from_catalog, get_servicetemplate_id, get_servicetemplate
27 from lcm.pub.msapi.wso2bpel import workflow_run
28 from lcm.pub.msapi.extsys import select_vnfm
29 from lcm.pub.utils.jobutil import JobUtil
30 from lcm.pub.utils import toscautil
31 from lcm.pub.utils.values import ignore_case_get
32 from lcm.pub.exceptions import NSLCMException
33 from lcm.pub.config.config import WORKFLOW_OPTION
34 from lcm.workflows import build_in
36 logger = logging.getLogger(__name__)
39 class InstantNSService(object):
40 def __init__(self, ns_inst_id, plan_content):
41 self.ns_inst_id = ns_inst_id
42 self.req_data = plan_content
46 job_id = JobUtil.create_job("NS", "NS_INST", self.ns_inst_id)
47 logger.debug('ns-instant(%s) workflow starting...' % self.ns_inst_id)
48 logger.debug('req_data=%s' % self.req_data)
49 ns_inst = NSInstModel.objects.get(id=self.ns_inst_id)
52 for key, val in self.req_data['additionalParamForNs'].items():
53 input_parameters.append({"key": key, "value": val})
56 if 'location' in self.req_data['additionalParamForNs']:
57 vim_id = self.req_data['additionalParamForNs']['location']
58 location_constraints = []
59 if 'locationConstraints' in self.req_data:
60 location_constraints = self.req_data['locationConstraints']
62 JobUtil.add_job_status(job_id, 5, 'Start query nsd(%s)' % ns_inst.nspackage_id)
63 src_plan = query_rawdata_from_catalog(ns_inst.nspackage_id, input_parameters)
64 dst_plan = toscautil.convert_nsd_model(src_plan["rawData"])
65 logger.debug('tosca plan dest:%s' % dst_plan)
66 NSInstModel.objects.filter(id=self.ns_inst_id).update(nsd_model=dst_plan)
68 params_json = json.JSONEncoder().encode(self.req_data["additionalParamForNs"])
71 plan_dict = json.JSONDecoder().decode(dst_plan)
72 for vnf in ignore_case_get(plan_dict, "vnfs"):
73 vnfd_id = vnf['properties']['id']
74 vnfd = NfPackageModel.objects.get(vnfdid=vnfd_id)
75 vnfd_model = json.JSONDecoder().decode(vnfd.vnfdmodel)
76 vnfm_type = vnfd_model["metadata"].get("vnfmType", "ztevmanagerdriver")
77 vimid = self.get_vnf_vim_id(vim_id, location_constraints, vnfd_id)
78 vnfm_info = select_vnfm(vnfm_type=vnfm_type, vim_id=vimid)
80 "vnfProfileId": vnf["vnf_id"],
83 "vnfmInstanceId": vnfm_info["vnfmId"],
84 "vnfmType": vnfm_type,
90 self.set_vl_vim_id(vim_id, location_constraints, plan_dict)
91 dst_plan = json.JSONEncoder().encode(plan_dict)
92 logger.debug('tosca plan dest add vimid:%s' % dst_plan)
93 NSInstModel.objects.filter(id=self.ns_inst_id).update(nsd_model=dst_plan)
95 vnf_params_json = json.JSONEncoder().encode(params_vnf)
96 plan_input = {'jobId': job_id,
97 'nsInstanceId': self.req_data["nsInstanceId"],
98 'object_context': dst_plan,
99 'object_additionalParamForNs': params_json,
100 'object_additionalParamForVnf': vnf_params_json}
101 plan_input.update(**self.get_model_count(dst_plan))
102 plan_input["sdnControllerId"] = ignore_case_get(
103 self.req_data['additionalParamForNs'], "sdncontroller")
105 ServiceBaseInfoModel(service_id=self.ns_inst_id,
106 service_name=ns_inst.name,
108 description=ns_inst.description,
110 status=ns_inst.status,
112 create_time=int(time.time()*1000)).save()
114 service_tpl = get_servicetemplate(ns_inst.nsd_id)
115 DefPkgMappingModel(service_id=self.ns_inst_id,
116 service_def_id=service_tpl['csarId'],
117 template_name=service_tpl['templateName'],
118 template_id=service_tpl['serviceTemplateId']).save()
120 for key, val in self.req_data['additionalParamForNs'].items():
121 InputParamMappingModel(service_id=self.ns_inst_id,
122 input_key=key, input_value=val).save()
124 for vnffg in ignore_case_get(plan_dict, "vnffgs"):
125 VNFFGInstModel(vnffgdid=vnffg["vnffg_id"],
126 vnffginstid=str(uuid.uuid4()),
127 nsinstid=self.ns_inst_id,
128 endpointnumber=0).save()
130 if WORKFLOW_OPTION == "wso2":
131 return self.start_wso2_workflow(job_id, ns_inst, plan_input)
132 elif WORKFLOW_OPTION == "activiti":
133 return self.start_activiti_workflow()
135 return self.start_buildin_workflow(job_id, plan_input)
137 except Exception as e:
138 logger.error(traceback.format_exc())
139 logger.error("ns-instant(%s) workflow error:%s" % (self.ns_inst_id, e.message))
140 JobUtil.add_job_status(job_id, 255, 'NS instantiation failed: %s' % e.message)
141 return dict(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
143 def start_wso2_workflow(self, job_id, ns_inst, plan_input):
144 servicetemplate_id = get_servicetemplate_id(ns_inst.nsd_id)
145 process_id = get_process_id('init', servicetemplate_id)
146 data = {"processId": process_id, "params": {"planInput": plan_input}}
147 logger.debug('ns-instant(%s) workflow data:%s' % (self.ns_inst_id, data))
149 ret = workflow_run(data)
150 logger.info("ns-instant(%s) workflow result:%s" % (self.ns_inst_id, ret))
151 JobUtil.add_job_status(job_id, 10, 'NS inst(%s) workflow started: %s' % (
152 self.ns_inst_id, ret.get('status')))
153 if ret.get('status') == 1:
154 return dict(data={'jobId': job_id}, status=status.HTTP_200_OK)
155 return dict(data={'error': ret['message']}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
157 def start_activiti_workflow(self):
160 def start_buildin_workflow(self, job_id, plan_input):
161 build_in.run_ns_instantiate(plan_input)
162 return dict(data={'jobId': job_id}, status=status.HTTP_200_OK)
164 def get_vnf_vim_id(self, vim_id, location_constraints, vnfdid):
165 for location in location_constraints:
166 if "vnfProfileId" in location and vnfdid == location["vnfProfileId"]:
167 return location["locationConstraints"]["vimId"]
170 raise NSLCMException("No Vim info is found for vnf(%s)." % vnfdid)
172 def set_vl_vim_id(self, vim_id, location_constraints, plan_dict):
173 if "vls" not in plan_dict:
174 logger.debug("No vl is found in nsd.")
177 for vnf in ignore_case_get(plan_dict, "vnfs"):
178 if "dependencies" in vnf:
179 for depend in vnf["dependencies"]:
180 vl_vnf[depend["vl_id"]] = vnf['properties']['id']
182 for location in location_constraints:
183 if "vnfProfileId" in location:
184 vnfd_id = location["vnfProfileId"]
185 vnf_vim[vnfd_id] = location["locationConstraints"]["vimId"]
186 for vl in plan_dict["vls"]:
187 vnfdid = ignore_case_get(vl_vnf, vl["vl_id"])
188 vimid = ignore_case_get(vnf_vim, vnfdid)
192 raise NSLCMException("No Vim info for vl(%s) of vnf(%s)." % (vl["vl_id"], vnfdid))
193 if "location_info" not in vl["properties"]:
194 vl["properties"]["location_info"] = {}
195 vl["properties"]["location_info"]["vimid"] = vimid
198 def get_model_count(context):
199 data = json.JSONDecoder().decode(context)
200 vls = len(data.get('vls', []))
201 sfcs = len(data.get('fps', []))
202 vnfs = len(data.get('vnfs', []))
203 return {'vlCount': str(vls), 'sfcCount': str(sfcs), 'vnfCount': str(vnfs)}