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.
18 from drf_yasg.utils import swagger_auto_schema
19 from lcm.ns.biz.ns_get import GetNSInfoService
20 from lcm.ns.biz.ns_heal import NSHealService
21 from lcm.ns.biz.ns_manual_scale import NSManualScaleService
22 from lcm.ns.biz.ns_terminate import TerminateNsService
23 from rest_framework import status
24 from rest_framework.response import Response
25 from rest_framework.views import APIView
27 from lcm.ns.biz.ns_delete import DeleteNsService
28 from lcm.ns.serializers.ns_serializers import HealNsReqSerializer
29 from lcm.ns.serializers.ns_serializers import InstNsPostDealReqSerializer
30 from lcm.ns.serializers.ns_serializers import ManualScaleNsReqSerializer
31 from lcm.ns.serializers.ns_serializers import NsOperateJobSerializer
32 from lcm.ns.serializers.ns_serializers import QueryNsRespSerializer
33 from lcm.ns.serializers.ns_serializers import TerminateNsReqSerializer
34 from lcm.pub.database.models import NSInstModel, ServiceBaseInfoModel
35 from lcm.pub.exceptions import NSLCMException
36 from lcm.pub.utils.jobutil import JobUtil, JOB_TYPE
37 from lcm.pub.utils.restcall import req_by_msb
38 from lcm.pub.utils.values import ignore_case_get
40 logger = logging.getLogger(__name__)
43 class TerminateNSView(APIView):
45 request_body=TerminateNsReqSerializer(),
47 status.HTTP_202_ACCEPTED: NsOperateJobSerializer(),
48 status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
51 def post(self, request, ns_instance_id):
53 logger.debug("Enter TerminateNSView::post %s", request.data)
54 req_serializer = TerminateNsReqSerializer(data=request.data)
55 if not req_serializer.is_valid():
56 raise NSLCMException(req_serializer.errors)
58 termination_type = ignore_case_get(request.data, 'terminationType')
59 graceful_termination_timeout = ignore_case_get(request.data, 'gracefulTerminationTimeout')
60 job_id = JobUtil.create_job("VNF", JOB_TYPE.TERMINATE_VNF, ns_instance_id)
61 TerminateNsService(ns_instance_id, termination_type, graceful_termination_timeout, job_id).start()
63 resp_serializer = NsOperateJobSerializer(data={'jobId': job_id})
64 if not resp_serializer.is_valid():
65 raise NSLCMException(resp_serializer.errors)
66 logger.debug("Leave TerminateNSView::post ret=%s", resp_serializer.data)
67 return Response(data=resp_serializer.data, status=status.HTTP_202_ACCEPTED)
68 except Exception as e:
69 logger.error("Exception in CreateNS: %s", e.message)
70 return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
73 class NSHealView(APIView):
75 request_body=HealNsReqSerializer(),
77 status.HTTP_202_ACCEPTED: NsOperateJobSerializer(),
78 status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
81 def post(self, request, ns_instance_id):
83 logger.debug("Enter HealNSView::post %s", request.data)
84 logger.debug("Enter HealNSView:: %s", ns_instance_id)
85 req_serializer = HealNsReqSerializer(data=request.data)
86 if not req_serializer.is_valid():
87 raise NSLCMException(req_serializer.errors)
89 job_id = JobUtil.create_job("VNF", JOB_TYPE.HEAL_VNF, ns_instance_id)
90 NSHealService(ns_instance_id, request.data, job_id).start()
92 resp_serializer = NsOperateJobSerializer(data={'jobId': job_id})
93 if not resp_serializer.is_valid():
94 raise NSLCMException(resp_serializer.errors)
96 logger.debug("Leave HealNSView::post ret=%s", resp_serializer.data)
97 return Response(data=resp_serializer.data, status=status.HTTP_202_ACCEPTED)
98 except Exception as e:
99 logger.error("Exception in HealNSView: %s", e.message)
100 return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
103 class NSDetailView(APIView):
104 @swagger_auto_schema(
107 status.HTTP_200_OK: QueryNsRespSerializer(help_text="NS instance", many=True),
108 status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error",
109 status.HTTP_404_NOT_FOUND: "Ns instance does not exist"
112 def get(self, request, ns_instance_id):
114 logger.debug("Enter NSDetailView::get ns(%s)", ns_instance_id)
115 ns_filter = {"ns_inst_id": ns_instance_id}
116 ret = GetNSInfoService(ns_filter).get_ns_info()
118 return Response(status=status.HTTP_404_NOT_FOUND)
119 logger.debug("Leave NSDetailView::get::ret=%s", ret)
120 resp_serializer = QueryNsRespSerializer(data=ret, many=True)
121 if not resp_serializer.is_valid():
122 raise NSLCMException(resp_serializer.errors)
123 return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
124 except Exception as e:
125 logger.error(traceback.format_exc())
126 logger.error("Exception in GetNSDetail: %s", e.message)
127 return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
129 @swagger_auto_schema(
132 status.HTTP_204_NO_CONTENT: 'successful',
133 status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
136 def delete(self, request, ns_instance_id):
138 logger.debug("Enter NSDetailView::delete ns(%s)", ns_instance_id)
139 DeleteNsService(ns_instance_id).do_biz()
140 return Response(data={}, status=status.HTTP_204_NO_CONTENT)
141 except Exception as e:
142 logger.error(traceback.format_exc())
143 logger.error("Exception in delete NS: %s", e.message)
144 return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
147 class NSInstPostDealView(APIView):
148 @swagger_auto_schema(
149 request_body=InstNsPostDealReqSerializer(help_text="NS instant post deal"),
151 status.HTTP_202_ACCEPTED: "NS instant post deal success",
152 status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
155 def post(self, request, ns_instance_id):
156 logger.debug("Enter NSInstPostDealView::post %s, %s", request.data, ns_instance_id)
157 ns_post_status = ignore_case_get(request.data, 'status')
158 ns_status = 'ACTIVE' if ns_post_status == 'true' else 'FAILED'
159 ns_opr_status = 'success' if ns_post_status == 'true' else 'failed'
161 req_serializer = InstNsPostDealReqSerializer(data=request.data)
162 if not req_serializer.is_valid():
163 raise NSLCMException(req_serializer.errors)
164 NSInstModel.objects.filter(id=ns_instance_id).update(status=ns_status)
165 ServiceBaseInfoModel.objects.filter(service_id=ns_instance_id).update(
166 active_status=ns_status, status=ns_opr_status)
167 nsd_info = NSInstModel.objects.filter(id=ns_instance_id)
168 nsd_id = nsd_info[0].nsd_id
169 nsd_model = json.loads(nsd_info[0].nsd_model)
170 if "policies" in nsd_model and nsd_model["policies"]:
171 policy = nsd_model["policies"][0]
172 if "properties" in policy and policy["properties"]:
173 file_url = ignore_case_get(policy["properties"][0], "drl_file_url")
176 self.send_policy_request(ns_instance_id, nsd_id, file_url)
178 logger.error(traceback.format_exc())
179 return Response(data={'error': 'Failed to update status of NS(%s)' % ns_instance_id},
180 status=status.HTTP_500_INTERNAL_SERVER_ERROR)
181 logger.debug("*****NS INST %s, %s******", ns_status, ns_opr_status)
182 return Response(data={'success': 'Update status of NS(%s) to %s' % (ns_instance_id, ns_status)},
183 status=status.HTTP_202_ACCEPTED)
185 def send_policy_request(self, ns_instance_id, nsd_id, file_url):
187 "nsid": ns_instance_id,
191 req_param = json.JSONEncoder().encode(input_data)
192 policy_engine_url = 'api/polengine/v1/policyinfo'
193 ret = req_by_msb(policy_engine_url, "POST", req_param)
195 logger.error("Failed to send ns policy req")
198 class NSManualScaleView(APIView):
199 @swagger_auto_schema(
200 request_body=ManualScaleNsReqSerializer(help_text="NS manual scale"),
202 status.HTTP_202_ACCEPTED: NsOperateJobSerializer(),
203 status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
206 def post(self, request, ns_instance_id):
207 logger.debug("Enter NSManualScaleView::post %s, %s", request.data, ns_instance_id)
208 job_id = JobUtil.create_job("NS", JOB_TYPE.MANUAL_SCALE_VNF, ns_instance_id)
210 req_serializer = ManualScaleNsReqSerializer(data=request.data)
211 if not req_serializer.is_valid():
212 raise NSLCMException(req_serializer.errors)
214 NSManualScaleService(ns_instance_id, request.data, job_id).start()
216 resp_serializer = NsOperateJobSerializer(data={'jobId': job_id})
217 if not resp_serializer.is_valid():
218 raise NSLCMException(resp_serializer.errors)
220 return Response(data=resp_serializer.data, status=status.HTTP_202_ACCEPTED)
221 except Exception as e:
222 logger.error(traceback.format_exc())
223 JobUtil.add_job_status(job_id, 255, 'NS scale failed: %s' % e.message)
224 return Response(data={'error': 'NS scale failed: %s' % ns_instance_id},
225 status=status.HTTP_500_INTERNAL_SERVER_ERROR)