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                         "properties": json.JSONEncoder().encode(vnf['properties']),
  97                         "vimId": vimid,
  98                         "vnfmInstanceId": vnfm_info["vnfmId"],
  99                         "vnfmType": vnfm_type,
 100                         "inputs": params_json
 101                     }
 102                 })
 103             # end
 104
 105             self.set_vl_vim_id(vim_id, location_constraints, plan_dict)
 106             dst_plan = json.JSONEncoder().encode(plan_dict)
 107             logger.debug('tosca plan dest add vimid:%s' % dst_plan)
 108             NSInstModel.objects.filter(id=self.ns_inst_id).update(nsd_model=dst_plan)
 109
 110             vnf_params_json = json.JSONEncoder().encode(params_vnf)
 111             plan_input = {
 112                 'jobId': job_id,
 113                 'nsInstanceId': self.req_data["nsInstanceId"],
 114                 'object_context': dst_plan,
 115                 'object_additionalParamForNs': params_json,
 116                 'object_additionalParamForVnf': vnf_params_json
 117             }
 118             plan_input.update(**self.get_model_count(dst_plan))
 119             plan_input["sdnControllerId"] = ignore_case_get(
 120                 self.req_data['additionalParamForNs'], "sdncontroller")
 121
 122             ServiceBaseInfoModel(service_id=self.ns_inst_id,
 123                                  service_name=ns_inst.name,
 124                                  service_type='NFVO',
 125                                  description=ns_inst.description,
 126                                  active_status='--',
 127                                  status=ns_inst.status,
 128                                  creator='--',
 129                                  create_time=int(time.time() * 1000)).save()
 130
 131             if WORKFLOW_OPTION == "wso2":
 132                 service_tpl = get_servicetemplate(ns_inst.nsd_id)
 133                 DefPkgMappingModel(service_id=self.ns_inst_id,
 134                                    service_def_id=service_tpl['csarId'],
 135                                    template_name=service_tpl['templateName'],
 136                                    template_id=service_tpl['serviceTemplateId']).save()
 137
 138                 for key, val in self.req_data['additionalParamForNs'].items():
 139                     InputParamMappingModel(service_id=self.ns_inst_id,
 140                                            input_key=key,
 141                                            input_value=val).save()
 142
 143                 for vnffg in ignore_case_get(plan_dict, "vnffgs"):
 144                     VNFFGInstModel(vnffgdid=vnffg["vnffg_id"],
 145                                    vnffginstid=str(uuid.uuid4()),
 146                                    nsinstid=self.ns_inst_id,
 147                                    endpointnumber=0).save()
 148             else:
 149                 # TODO:
 150                 pass
 151
 152             if WORKFLOW_OPTION == "wso2":
 153                 return self.start_wso2_workflow(job_id, ns_inst, plan_input)
 154             elif WORKFLOW_OPTION == "activiti":
 155                 return self.start_activiti_workflow()
 156             else:
 157                 return self.start_buildin_workflow(job_id, plan_input)
 158
 159         except Exception as e:
 160             logger.error(traceback.format_exc())
 161             logger.error("ns-instant(%s) workflow error:%s" % (self.ns_inst_id, e.message))
 162             JobUtil.add_job_status(job_id, 255, 'NS instantiation failed: %s' % e.message)
 163             return dict(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 164
 165     def start_wso2_workflow(self, job_id, ns_inst, plan_input):
 166         servicetemplate_id = get_servicetemplate_id(ns_inst.nsd_id)
 167         process_id = get_process_id('init', servicetemplate_id)
 168         data = {"processId": process_id, "params": {"planInput": plan_input}}
 169         logger.debug('ns-instant(%s) workflow data:%s' % (self.ns_inst_id, data))
 170
 171         ret = workflow_run(data)
 172         logger.info("ns-instant(%s) workflow result:%s" % (self.ns_inst_id, ret))
 173         JobUtil.add_job_status(job_id, 10, 'NS inst(%s) wso2 workflow started: %s' % (
 174             self.ns_inst_id, ret.get('status')))
 175         if ret.get('status') == 1:
 176             return dict(data={'jobId': job_id}, status=status.HTTP_200_OK)
 177         return dict(data={'error': ret['message']}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 178
 179     def start_activiti_workflow(self, job_id, plan_input):
 180         plans = WFPlanModel.objects.filter()
 181         if not plans:
 182             raise NSLCMException("No plan is found, you should deploy plan first!")
 183         data = {
 184             "processId": plans[0].process_id,
 185             "params": plan_input
 186         }
 187         ret = activiti.exec_workflow(data)
 188         logger.info("ns-instant(%s) workflow result:%s" % (self.ns_inst_id, ret))
 189         JobUtil.add_job_status(job_id, 10, 'NS inst(%s) activiti workflow started: %s' % (
 190             self.ns_inst_id, ret.get('status')))
 191         if ret.get('status') == 1:
 192             return dict(data={'jobId': job_id}, status=status.HTTP_200_OK)
 193         return dict(data={'error': ret['message']}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 194
 195     def start_buildin_workflow(self, job_id, plan_input):
 196         JobUtil.add_job_status(job_id, 10, 'NS inst(%s) buildin workflow started.' % self.ns_inst_id)
 197         BuildInWorkflowThread(plan_input).start()
 198         return dict(data={'jobId': job_id}, status=status.HTTP_200_OK)
 199
 200     def get_vnf_vim_id(self, vim_id, location_constraints, vnfdid):
 201         for location in location_constraints:
 202             if "vnfProfileId" in location and vnfdid == location["vnfProfileId"]:
 203                 return location["locationConstraints"]["vimId"]
 204         if vim_id:
 205             return vim_id
 206         raise NSLCMException("No Vim info is found for vnf(%s)." % vnfdid)
 207
 208     def set_vl_vim_id(self, vim_id, location_constraints, plan_dict):
 209         if "vls" not in plan_dict:
 210             logger.debug("No vl is found in nsd.")
 211             return
 212         vl_vnf = {}
 213         for vnf in ignore_case_get(plan_dict, "vnfs"):
 214             if "dependencies" in vnf:
 215                 for depend in vnf["dependencies"]:
 216                     vl_vnf[depend["vl_id"]] = vnf['properties']['id']
 217         vnf_vim = {}
 218         for location in location_constraints:
 219             if "vnfProfileId" in location:
 220                 vnfd_id = location["vnfProfileId"]
 221                 vnf_vim[vnfd_id] = location["locationConstraints"]["vimId"]
 222         for vl in plan_dict["vls"]:
 223             vnfdid = ignore_case_get(vl_vnf, vl["vl_id"])
 224             vimid = ignore_case_get(vnf_vim, vnfdid)
 225             if not vimid:
 226                 vimid = vim_id
 227             if not vimid:
 228                 raise NSLCMException("No Vim info for vl(%s) of vnf(%s)." % (vl["vl_id"], vnfdid))
 229             if "location_info" not in vl["properties"]:
 230                 vl["properties"]["location_info"] = {}
 231             vl["properties"]["location_info"]["vimid"] = vimid
 232
 233     @staticmethod
 234     def get_model_count(context):
 235         data = json.JSONDecoder().decode(context)
 236         vls = len(data.get('vls', []))
 237         sfcs = len(data.get('fps', []))
 238         vnfs = len(data.get('vnfs', []))
 239         return {'vlCount': str(vls), 'sfcCount': str(sfcs), 'vnfCount': str(vnfs)}