lcm/ns/ns_instant.py

   1 # Copyright 2016-2017 ZTE Corporation.
   2 #
   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
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   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.
  14
  15 import json
  16 import logging
  17 import traceback
  18 import time
  19 import uuid
  20
  21 from rest_framework import status
  22
  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
  35
  36 logger = logging.getLogger(__name__)
  37
  38
  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
  43
  44     def do_biz(self):
  45         try:
  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)
  50
  51             input_parameters = []
  52             for key, val in self.req_data['additionalParamForNs'].items():
  53                 input_parameters.append({"key": key, "value": val})
  54
  55             vim_id = ''
  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']
  61
  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)
  67
  68             params_json = json.JSONEncoder().encode(self.req_data["additionalParamForNs"])
  69             # start
  70             params_vnf = []
  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)
  79                 params_vnf.append({
  80                     "vnfProfileId": vnf["vnf_id"],
  81                     "additionalParam": {
  82                         "vimId": vimid,
  83                         "vnfmInstanceId": vnfm_info["vnfmId"],
  84                         "vnfmType": vnfm_type,
  85                         "inputs": params_json
  86                     }
  87                 })
  88             # end
  89
  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)
  94
  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")
 104
 105             ServiceBaseInfoModel(service_id=self.ns_inst_id,
 106                                  service_name=ns_inst.name,
 107                                  service_type='NFVO',
 108                                  description=ns_inst.description,
 109                                  active_status='--',
 110                                  status=ns_inst.status,
 111                                  creator='--',
 112                                  create_time=int(time.time()*1000)).save()
 113
 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()
 119
 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()
 123
 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()
 129
 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()
 134             else:
 135                 return self.start_buildin_workflow(job_id, plan_input)
 136
 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)
 142
 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))
 148
 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)
 156
 157     def start_activiti_workflow(self):
 158         pass
 159
 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)
 163
 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"]
 168         if vim_id:
 169             return vim_id
 170         raise NSLCMException("No Vim info is found for vnf(%s)." % vnfdid)
 171
 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.")
 175             return
 176         vl_vnf = {}
 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']
 181         vnf_vim = {}
 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)
 189             if not vimid:
 190                 vimid = vim_id
 191             if not vimid:
 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
 196
 197     @staticmethod
 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)}