lcm/workflows/views.py

   1 # Copyright 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 logging
  16 import traceback
  17 import sys
  18
  19 from rest_framework import status
  20 from rest_framework.decorators import api_view
  21 from rest_framework.response import Response
  22
  23 from lcm.pub.database.models import WFPlanModel
  24 from lcm.pub.utils.syscomm import fun_name
  25 from lcm.pub.utils.values import ignore_case_get
  26 from lcm.pub.msapi import activiti
  27
  28
  29 logger = logging.getLogger(__name__)
  30
  31
  32 @api_view(http_method_names=['POST'])
  33 def deploy_workflow(request, *args, **kwargs):
  34     logger.debug("Enter %s", fun_name())
  35     try:
  36         file_path = ignore_case_get(request.data, "filePath")
  37         force_deploy = ignore_case_get(request.data, "forceDeploy")
  38         logger.debug("file_path is %s, force_deploy is %s", file_path, force_deploy)
  39         if force_deploy.upper() == "TRUE":
  40             plans = WFPlanModel.objects.filter()
  41             if len(plans) > 0:
  42                 activiti.undeploy_workflow(plans[0].deployed_id)
  43                 plans.delete()
  44         else:
  45             if WFPlanModel.objects.filter():
  46                 logger.warn("Already deployed.")
  47                 return Response(data={'msg': 'Already deployed.'}, status=status.HTTP_202_ACCEPTED)
  48         deploy_info = activiti.deploy_workflow(file_path)
  49         WFPlanModel(
  50             deployed_id=deploy_info["deployedId"],
  51             process_id=deploy_info["processId"],
  52             status=deploy_info["status"],
  53             message=deploy_info["message"],
  54             plan_name="ns_instantiate").save()
  55     except:
  56         logger.error(traceback.format_exc())
  57         return Response(data={'error': str(sys.exc_info())}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  58     logger.debug("Leave %s", fun_name())
  59     return Response(data={'msg': 'OK'}, status=status.HTTP_202_ACCEPTED)