1 # Copyright (c) 2018, CMCC Technologies Co., Ltd.
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.
20 from lcm.ns.enum import NS_INST_STATUS, OPERATIONAL_STATE, STOP_TYPE
21 from lcm.pub.database.models import JobModel, NSInstModel
22 from lcm.ns_vnfs.biz.update_vnfs import NFOperateService
23 from lcm.pub.exceptions import NSLCMException
24 from lcm.pub.utils.jobutil import JobUtil
25 from lcm.jobs.enum import JOB_MODEL_STATUS, JOB_PROGRESS
26 from lcm.pub.utils.values import ignore_case_get
27 from lcm.ns.biz.ns_lcm_op_occ import NsLcmOpOcc
29 logger = logging.getLogger(__name__)
32 class NSUpdateService(threading.Thread):
34 Update NS instance model
37 def __init__(self, ns_instance_id, request_data, job_id):
38 super(NSUpdateService, self).__init__()
39 self.ns_instance_id = ns_instance_id
40 self.request_data = request_data
42 self.occ_id = NsLcmOpOcc.create(ns_instance_id, "SCALE", "PROCESSING", False, request_data)
44 self.operate_vnf_data = ''
49 except NSLCMException as e:
50 logger.error(traceback.format_exc())
51 JobUtil.add_job_status(self.job_id, JOB_PROGRESS.ERROR, e.args[0])
52 NsLcmOpOcc.update(self.occ_id, operationState="FAILED", error=e.args[0])
53 except Exception as e:
54 logger.error(traceback.format_exc())
55 JobUtil.add_job_status(self.job_id, JOB_PROGRESS.ERROR, 'ns update fail')
56 NsLcmOpOcc.update(self.occ_id, operationState="FAILED", error=e.args[0])
59 self.update_job(JOB_PROGRESS.STARTED, desc='ns update start')
60 self.get_and_check_params()
61 self.update_ns_status(NS_INST_STATUS.UPDATING)
63 self.update_ns_status(NS_INST_STATUS.ACTIVE)
64 self.update_job(JOB_PROGRESS.FINISHED, desc='ns update success')
65 NsLcmOpOcc.update(self.occ_id, "COMPLETED")
67 def get_and_check_params(self):
68 ns_info = NSInstModel.objects.filter(id=self.ns_instance_id)
71 'NS [id=%s] does not exist' % self.ns_instance_id)
73 self.update_type = ignore_case_get(self.request_data, "updateType")
74 if not self.update_type:
76 'UpdateType parameter does not exist or value incorrect.')
79 if self.update_type == "OPERATE_VNF":
80 self.operate_vnf_data = ignore_case_get(
81 self.request_data, "operateVnfData")
82 if not self.operate_vnf_data:
84 'OperateVnfData does not exist or value is incorrect.')
85 for vnf_update_data in self.operate_vnf_data:
86 vnf_update_params = self.prepare_update_params(vnf_update_data)
87 status = self.do_vnf_update(vnf_update_params, 15)
88 if status is JOB_MODEL_STATUS.FINISHED:
90 'nf[%s] update handle end' % vnf_update_params.get('vnfInstanceId'))
92 desc='nf[%s] update handle end'
93 % vnf_update_params.get('vnfInstanceId'))
95 raise NSLCMException('nf update failed')
97 raise NSLCMException('Method update.')
99 def do_vnf_update(self, vnf_update_params, progress):
100 vnf_instance_id = vnf_update_params.get('vnfInstanceId')
101 nf_service = NFOperateService(vnf_instance_id, vnf_update_params)
103 self.update_job(progress, desc='nf[%s] update handle start' % vnf_instance_id)
104 status = self.wait_job_finish(nf_service.job_id)
108 def prepare_update_params(vnf_data):
109 vnf_instance_id = ignore_case_get(vnf_data, 'vnfInstanceId')
110 if not vnf_instance_id:
111 raise NSLCMException(
112 'VnfInstanceId does not exist or value is incorrect.')
114 change_state_to = ignore_case_get(vnf_data, 'changeStateTo')
115 if not change_state_to:
116 raise NSLCMException(
117 'ChangeStateTo does not exist or value is incorrect.')
118 graceful_stop_timeout = ''
119 operational_states = ignore_case_get(change_state_to, 'OperationalStates')
120 if operational_states == OPERATIONAL_STATE.STOPPED:
121 stop_type = ignore_case_get(vnf_data, 'stopType')
122 if stop_type == STOP_TYPE.GRACEFUL:
123 graceful_stop_timeout = ignore_case_get(vnf_data, 'gracefulStopTimeout')
126 "vnfInstanceId": vnf_instance_id,
127 "changeStateTo": operational_states,
128 "stopType": stop_type,
129 "gracefulStopTimeout": graceful_stop_timeout if graceful_stop_timeout else 0
134 def wait_job_finish(sub_job_id, timeout=3600):
136 start_time = end_time = datetime.datetime.now()
137 while (end_time - start_time).seconds < timeout:
138 job_result = JobModel.objects.get(jobid=sub_job_id)
139 time.sleep(query_interval)
140 end_time = datetime.datetime.now()
141 if job_result.progress == JOB_PROGRESS.FINISHED:
142 return JOB_MODEL_STATUS.FINISHED
143 elif job_result.progress > JOB_PROGRESS.FINISHED:
144 return JOB_MODEL_STATUS.ERROR
147 return JOB_MODEL_STATUS.TIMEOUT
149 def update_job(self, progress, desc=''):
150 JobUtil.add_job_status(self.job_id, progress, desc)
152 def update_ns_status(self, status):
153 NSInstModel.objects.filter(id=self.ns_instance_id).update(status=status)