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 import json
  15 import logging
  16 import time
  17 import traceback
  18 import uuid
  19 from threading import Thread
  20
  21 from rest_framework import status
  22
  23 from lcm.pub.config.config import WORKFLOW_OPTION
  24 from lcm.pub.database.models import DefPkgMappingModel, ServiceBaseInfoModel, InputParamMappingModel
  25 from lcm.pub.database.models import NSInstModel, VNFFGInstModel, WFPlanModel
  26 from lcm.pub.exceptions import NSLCMException
  27 from lcm.pub.msapi import activiti
  28 from lcm.pub.msapi import sdc_run_catalog
  29 from lcm.pub.msapi.catalog import get_process_id, query_rawdata_from_catalog
  30 from lcm.pub.msapi.catalog import get_servicetemplate_id, get_servicetemplate
  31 from lcm.pub.msapi.extsys import select_vnfm
  32 from lcm.pub.msapi.wso2bpel import workflow_run
  33 from lcm.pub.utils import toscautil
  34 from lcm.pub.utils.jobutil import JobUtil
  35 from lcm.pub.utils.values import ignore_case_get
  36 from lcm.workflows import build_in
  37
  38 logger = logging.getLogger(__name__)
  39
  40
  41 class BuildInWorkflowThread(Thread):
  42     def __init__(self, plan_input):
  43         Thread.__init__(self)
  44         self.plan_input = plan_input
  45
  46     def run(self):
  47         build_in.run_ns_instantiate(self.plan_input)
  48
  49
  50 class InstantNSService(object):
  51     def __init__(self, ns_inst_id, plan_content):
  52         self.ns_inst_id = ns_inst_id
  53         self.req_data = plan_content
  54
  55     def do_biz(self):
  56         try:
  57             job_id = JobUtil.create_job("NS", "NS_INST", self.ns_inst_id)
  58             logger.debug('ns-instant(%s) workflow starting...' % self.ns_inst_id)
  59             logger.debug('req_data=%s' % self.req_data)
  60             ns_inst = NSInstModel.objects.get(id=self.ns_inst_id)
  61
  62             input_parameters = []
  63             for key, val in self.req_data['additionalParamForNs'].items():
  64                 input_parameters.append({"key": key, "value": val})
  65
  66             vim_id = ''
  67             if 'location' in self.req_data['additionalParamForNs']:
  68                 vim_id = self.req_data['additionalParamForNs']['location']
  69             location_constraints = []
  70             if 'locationConstraints' in self.req_data:
  71                 location_constraints = self.req_data['locationConstraints']
  72
  73             JobUtil.add_job_status(job_id, 5, 'Start query nsd(%s)' % ns_inst.nspackage_id)
  74             dst_plan = None
  75             if WORKFLOW_OPTION == "wso2":
  76                 src_plan = query_rawdata_from_catalog(ns_inst.nspackage_id, input_parameters)
  77                 dst_plan = toscautil.convert_nsd_model(src_plan["rawData"])
  78             else:
  79                 dst_plan = sdc_run_catalog.parse_nsd(ns_inst.nspackage_id, input_parameters)
  80             logger.debug('tosca plan dest:%s' % dst_plan)
  81
  82             NSInstModel.objects.filter(id=self.ns_inst_id).update(nsd_model=dst_plan)
  83
  84             params_json = json.JSONEncoder().encode(self.req_data["additionalParamForNs"])
  85             # start
  86             params_vnf = []
  87             plan_dict = json.JSONDecoder().decode(dst_plan)
  88             for vnf in ignore_case_get(plan_dict, "vnfs"):
  89                 vnfd_id = vnf['properties']['id']
  90                 vnfm_type = vnf['properties'].get("nf_type", "undefined")
  91                 vimid = self.get_vnf_vim_id(vim_id, location_constraints, vnfd_id)
  92                 vnfm_info = select_vnfm(vnfm_type=vnfm_type, vim_id=vimid)
  93                 params_vnf.append({
  94                     "vnfProfileId": vnf["vnf_id"],
  95                     "additionalParam": {
  96                         "vimId": vimid,
  97                         "vnfmInstanceId": vnfm_info["vnfmId"],
  98                         "vnfmType": vnfm_type,
  99                         "inputs": params_json
 100                     }
 101                 })
 102             # end
 103
 104             self.set_vl_vim_id(vim_id, location_constraints, plan_dict)
 105             dst_plan = json.JSONEncoder().encode(plan_dict)
 106             logger.debug('tosca plan dest add vimid:%s' % dst_plan)
 107             NSInstModel.objects.filter(id=self.ns_inst_id).update(nsd_model=dst_plan)
 108
 109             vnf_params_json = json.JSONEncoder().encode(params_vnf)
 110             plan_input = {
 111                 'jobId': job_id,
 112                 'nsInstanceId': self.req_data["nsInstanceId"],
 113                 'object_context': dst_plan,
 114                 'object_additionalParamForNs': params_json,
 115                 'object_additionalParamForVnf': vnf_params_json
 116             }
 117             plan_input.update(**self.get_model_count(dst_plan))
 118             plan_input["sdnControllerId"] = ignore_case_get(
 119                 self.req_data['additionalParamForNs'], "sdncontroller")
 120
 121             ServiceBaseInfoModel(service_id=self.ns_inst_id,
 122                                  service_name=ns_inst.name,
 123                                  service_type='NFVO',
 124                                  description=ns_inst.description,
 125                                  active_status='--',
 126                                  status=ns_inst.status,
 127                                  creator='--',
 128                                  create_time=int(time.time() * 1000)).save()
 129
 130             if WORKFLOW_OPTION == "wso2":
 131                 service_tpl = get_servicetemplate(ns_inst.nsd_id)
 132                 DefPkgMappingModel(service_id=self.ns_inst_id,
 133                                    service_def_id=service_tpl['csarId'],
 134                                    template_name=service_tpl['templateName'],
 135                                    template_id=service_tpl['serviceTemplateId']).save()
 136
 137                 for key, val in self.req_data['additionalParamForNs'].items():
 138                     InputParamMappingModel(service_id=self.ns_inst_id,
 139                                            input_key=key,
 140                                            input_value=val).save()
 141
 142                 for vnffg in ignore_case_get(plan_dict, "vnffgs"):
 143                     VNFFGInstModel(vnffgdid=vnffg["vnffg_id"],
 144                                    vnffginstid=str(uuid.uuid4()),
 145                                    nsinstid=self.ns_inst_id,
 146                                    endpointnumber=0).save()
 147             else:
 148                 # TODO:
 149                 pass
 150
 151             if WORKFLOW_OPTION == "wso2":
 152                 return self.start_wso2_workflow(job_id, ns_inst, plan_input)
 153             elif WORKFLOW_OPTION == "activiti":
 154                 return self.start_activiti_workflow()
 155             else:
 156                 return self.start_buildin_workflow(job_id, plan_input)
 157
 158         except Exception as e:
 159             logger.error(traceback.format_exc())
 160             logger.error("ns-instant(%s) workflow error:%s" % (self.ns_inst_id, e.message))
 161             JobUtil.add_job_status(job_id, 255, 'NS instantiation failed: %s' % e.message)
 162             return dict(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 163
 164     def start_wso2_workflow(self, job_id, ns_inst, plan_input):
 165         servicetemplate_id = get_servicetemplate_id(ns_inst.nsd_id)
 166         process_id = get_process_id('init', servicetemplate_id)
 167         data = {"processId": process_id, "params": {"planInput": plan_input}}
 168         logger.debug('ns-instant(%s) workflow data:%s' % (self.ns_inst_id, data))
 169
 170         ret = workflow_run(data)
 171         logger.info("ns-instant(%s) workflow result:%s" % (self.ns_inst_id, ret))
 172         JobUtil.add_job_status(job_id, 10, 'NS inst(%s) wso2 workflow started: %s' % (
 173             self.ns_inst_id, ret.get('status')))
 174         if ret.get('status') == 1:
 175             return dict(data={'jobId': job_id}, status=status.HTTP_200_OK)
 176         return dict(data={'error': ret['message']}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 177
 178     def start_activiti_workflow(self, job_id, plan_input):
 179         plans = WFPlanModel.objects.filter()
 180         if not plans:
 181             raise NSLCMException("No plan is found, you should deploy plan first!")
 182         data = {
 183             "processId": plans[0].process_id,
 184             "params": plan_input
 185         }
 186         ret = activiti.exec_workflow(data)
 187         logger.info("ns-instant(%s) workflow result:%s" % (self.ns_inst_id, ret))
 188         JobUtil.add_job_status(job_id, 10, 'NS inst(%s) activiti workflow started: %s' % (
 189             self.ns_inst_id, ret.get('status')))
 190         if ret.get('status') == 1:
 191             return dict(data={'jobId': job_id}, status=status.HTTP_200_OK)
 192         return dict(data={'error': ret['message']}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 193
 194     def start_buildin_workflow(self, job_id, plan_input):
 195         JobUtil.add_job_status(job_id, 10, 'NS inst(%s) buildin workflow started.' % self.ns_inst_id)
 196         BuildInWorkflowThread(plan_input).start()
 197         return dict(data={'jobId': job_id}, status=status.HTTP_200_OK)
 198
 199     def get_vnf_vim_id(self, vim_id, location_constraints, vnfdid):
 200         for location in location_constraints:
 201             if "vnfProfileId" in location and vnfdid == location["vnfProfileId"]:
 202                 return location["locationConstraints"]["vimId"]
 203         if vim_id:
 204             return vim_id
 205         raise NSLCMException("No Vim info is found for vnf(%s)." % vnfdid)
 206
 207     def set_vl_vim_id(self, vim_id, location_constraints, plan_dict):
 208         if "vls" not in plan_dict:
 209             logger.debug("No vl is found in nsd.")
 210             return
 211         vl_vnf = {}
 212         for vnf in ignore_case_get(plan_dict, "vnfs"):
 213             if "dependencies" in vnf:
 214                 for depend in vnf["dependencies"]:
 215                     vl_vnf[depend["vl_id"]] = vnf['properties']['id']
 216         vnf_vim = {}
 217         for location in location_constraints:
 218             if "vnfProfileId" in location:
 219                 vnfd_id = location["vnfProfileId"]
 220                 vnf_vim[vnfd_id] = location["locationConstraints"]["vimId"]
 221         for vl in plan_dict["vls"]:
 222             vnfdid = ignore_case_get(vl_vnf, vl["vl_id"])
 223             vimid = ignore_case_get(vnf_vim, vnfdid)
 224             if not vimid:
 225                 vimid = vim_id
 226             if not vimid:
 227                 raise NSLCMException("No Vim info for vl(%s) of vnf(%s)." % (vl["vl_id"], vnfdid))
 228             if "location_info" not in vl["properties"]:
 229                 vl["properties"]["location_info"] = {}
 230             vl["properties"]["location_info"]["vimid"] = vimid
 231
 232     @staticmethod
 233     def get_model_count(context):
 234         data = json.JSONDecoder().decode(context)
 235         vls = len(data.get('vls', []))
 236         sfcs = len(data.get('fps', []))
 237         vnfs = len(data.get('vnfs', []))
 238         return {'vlCount': str(vls), 'sfcCount': str(sfcs), 'vnfCount': str(vnfs)}