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.
21 from lcm.ns.const import NS_INST_STATUS
22 from lcm.pub.database.models import JobModel, NSInstModel, NfInstModel
23 from lcm.ns.vnfs.heal_vnfs import NFHealService
24 from lcm.pub.exceptions import NSLCMException
25 from lcm.pub.utils.jobutil import JobUtil, JOB_MODEL_STATUS
26 from lcm.pub.utils.values import ignore_case_get
29 logger = logging.getLogger(__name__)
32 class NSHealService(threading.Thread):
33 def __init__(self, ns_instance_id, request_data, job_id):
34 super(NSHealService, self).__init__()
35 self.ns_instance_id = ns_instance_id
36 self.request_data = request_data
39 self.heal_vnf_data = ''
44 except NSLCMException as e:
45 JobUtil.add_job_status(self.job_id, JOB_ERROR, e.message)
47 logger.error(traceback.format_exc())
48 JobUtil.add_job_status(self.job_id, JOB_ERROR, 'ns heal fail')
51 self.update_job(1, desc='ns heal start')
52 self.get_and_check_params()
53 self.update_ns_status(NS_INST_STATUS.HEALING)
55 self.update_ns_status(NS_INST_STATUS.ACTIVE)
56 self.update_job(100, desc='ns heal success')
58 def get_and_check_params(self):
59 ns_info = NSInstModel.objects.filter(id=self.ns_instance_id)
61 logger.error('NS [id=%s] does not exist' % self.ns_instance_id)
62 raise NSLCMException('NS [id=%s] does not exist' % self.ns_instance_id)
63 self.heal_vnf_data = ignore_case_get(self.request_data, 'healVnfData')
64 if not self.heal_vnf_data:
65 logger.error('healVnfData parameter does not exist or value is incorrect.')
66 raise NSLCMException('healVnfData parameter does not exist or value incorrect.')
68 def do_vnfs_heal(self):
69 vnf_heal_params = self.prepare_vnf_heal_params(self.heal_vnf_data)
70 # count = len(self.heal_vnf_data)
71 # Only one VNF is supported to heal.
72 status = self.do_vnf_heal(vnf_heal_params, 15)
73 if status is JOB_MODEL_STATUS.FINISHED:
74 logger.info('nf[%s] heal handle end' % vnf_heal_params.get('vnfInstanceId'))
76 desc='nf[%s] heal handle end' % vnf_heal_params.get('vnfInstanceId'))
78 logger.error('nf heal failed')
79 raise NSLCMException('nf heal failed')
81 def do_vnf_heal(self, vnf_heal_params, progress):
82 vnf_instance_id = vnf_heal_params.get('vnfInstanceId')
83 nf_service = NFHealService(vnf_instance_id, vnf_heal_params)
85 self.update_job(progress, desc='nf[%s] heal handle start' % vnf_instance_id)
86 status = self.wait_job_finish(nf_service.job_id)
89 def prepare_vnf_heal_params(self, vnf_data):
90 vnf_instance_id = ignore_case_get(vnf_data, 'vnfInstanceId')
91 cause = ignore_case_get(vnf_data, "cause")
92 additional_params = ignore_case_get(vnf_data, "additionalParams")
94 "vnfInstanceId": vnf_instance_id,
96 "additionalParams": additional_params
101 def wait_job_finish(sub_job_id, timeout=3600):
103 start_time = end_time = datetime.datetime.now()
104 while (end_time - start_time).seconds < timeout:
105 job_result = JobModel.objects.get(jobid=sub_job_id)
106 time.sleep(query_interval)
107 end_time = datetime.datetime.now()
108 if job_result.progress == 100:
109 return JOB_MODEL_STATUS.FINISHED
110 elif job_result.progress > 100:
111 return JOB_MODEL_STATUS.ERROR
114 return JOB_MODEL_STATUS.TIMEOUT
116 def update_job(self, progress, desc=''):
117 JobUtil.add_job_status(self.job_id, progress, desc)
119 def update_ns_status(self, status):
120 NSInstModel.objects.filter(id=self.ns_instance_id).update(status=status)