1 # Copyright 2017 Intel 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.
20 from lcm.ns.const import NS_INST_STATUS
21 from lcm.pub.database.models import JobModel, NSInstModel
22 from lcm.ns.vnfs.heal_vnfs import NFHealService
23 from lcm.pub.exceptions import NSLCMException
24 from lcm.pub.utils.jobutil import JobUtil, JOB_MODEL_STATUS
25 from lcm.pub.utils.values import ignore_case_get
28 logger = logging.getLogger(__name__)
31 class NSHealService(threading.Thread):
32 def __init__(self, ns_instance_id, request_data, job_id):
33 super(NSHealService, self).__init__()
34 self.ns_instance_id = ns_instance_id
35 self.request_data = request_data
38 self.heal_vnf_data = ''
43 except NSLCMException as e:
44 JobUtil.add_job_status(self.job_id, JOB_ERROR, e.message)
46 logger.error(traceback.format_exc())
47 JobUtil.add_job_status(self.job_id, JOB_ERROR, 'ns heal fail')
50 self.update_job(1, desc='ns heal start')
51 self.get_and_check_params()
52 self.update_ns_status(NS_INST_STATUS.HEALING)
54 self.update_ns_status(NS_INST_STATUS.ACTIVE)
55 self.update_job(100, desc='ns heal success')
57 def get_and_check_params(self):
58 ns_info = NSInstModel.objects.filter(id=self.ns_instance_id)
60 logger.error('NS [id=%s] does not exist' % self.ns_instance_id)
61 raise NSLCMException('NS [id=%s] does not exist' % self.ns_instance_id)
62 self.heal_vnf_data = ignore_case_get(self.request_data, 'healVnfData')
63 if not self.heal_vnf_data:
64 logger.error('healVnfData parameter does not exist or value is incorrect.')
65 raise NSLCMException('healVnfData parameter does not exist or value incorrect.')
67 def do_vnfs_heal(self):
68 vnf_heal_params = self.prepare_vnf_heal_params(self.heal_vnf_data)
69 # count = len(self.heal_vnf_data)
70 # Only one VNF is supported to heal.
71 status = self.do_vnf_heal(vnf_heal_params, 15)
72 if status is JOB_MODEL_STATUS.FINISHED:
73 logger.info('nf[%s] heal handle end' % vnf_heal_params.get('vnfInstanceId'))
75 desc='nf[%s] heal handle end' % vnf_heal_params.get('vnfInstanceId'))
77 logger.error('nf heal failed')
78 raise NSLCMException('nf heal failed')
80 def do_vnf_heal(self, vnf_heal_params, progress):
81 vnf_instance_id = vnf_heal_params.get('vnfInstanceId')
82 nf_service = NFHealService(vnf_instance_id, vnf_heal_params)
84 self.update_job(progress, desc='nf[%s] heal handle start' % vnf_instance_id)
85 status = self.wait_job_finish(nf_service.job_id)
88 def prepare_vnf_heal_params(self, vnf_data):
89 vnf_instance_id = ignore_case_get(vnf_data, 'vnfInstanceId')
90 cause = ignore_case_get(vnf_data, "cause")
91 additional_params = ignore_case_get(vnf_data, "additionalParams")
93 "vnfInstanceId": vnf_instance_id,
95 "additionalParams": additional_params
100 def wait_job_finish(sub_job_id, timeout=3600):
102 start_time = end_time = datetime.datetime.now()
103 while (end_time - start_time).seconds < timeout:
104 job_result = JobModel.objects.get(jobid=sub_job_id)
105 time.sleep(query_interval)
106 end_time = datetime.datetime.now()
107 if job_result.progress == 100:
108 return JOB_MODEL_STATUS.FINISHED
109 elif job_result.progress > 100:
110 return JOB_MODEL_STATUS.ERROR
113 return JOB_MODEL_STATUS.TIMEOUT
115 def update_job(self, progress, desc=''):
116 JobUtil.add_job_status(self.job_id, progress, desc)
118 def update_ns_status(self, status):
119 NSInstModel.objects.filter(id=self.ns_instance_id).update(status=status)