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.enum import NS_INST_STATUS
22 from lcm.pub.database.models import JobModel, NSInstModel, NfInstModel, VNFCInstModel, VmInstModel
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_vnfs.biz.heal_vnfs import NFHealService
28 from lcm.ns.biz.ns_lcm_op_occ import NsLcmOpOcc
30 logger = logging.getLogger(__name__)
33 class NSHealService(threading.Thread):
34 def __init__(self, ns_instance_id, request_data, job_id):
35 super(NSHealService, self).__init__()
36 self.ns_instance_id = ns_instance_id
37 self.request_data = request_data
39 self.occ_id = NsLcmOpOcc.create(ns_instance_id, "HEAL", "PROCESSING", False, request_data)
40 self.heal_vnf_data = ''
41 self.heal_ns_data = ''
46 except NSLCMException as e:
47 JobUtil.add_job_status(self.job_id, JOB_PROGRESS.ERROR, e.args[0])
48 NsLcmOpOcc.update(self.occ_id, operationState="FAILED", error=e.args[0])
49 except Exception as e:
50 logger.error(traceback.format_exc())
51 JobUtil.add_job_status(self.job_id, JOB_PROGRESS.ERROR, 'ns heal fail')
52 NsLcmOpOcc.update(self.occ_id, operationState="FAILED", error=e.args[0])
55 self.update_job(1, desc='ns heal start')
56 self.get_and_check_params()
57 self.update_ns_status(NS_INST_STATUS.HEALING)
59 self.update_ns_status(NS_INST_STATUS.ACTIVE)
60 self.update_job(100, desc='ns heal success')
61 NsLcmOpOcc.update(self.occ_id, "COMPLETED")
63 def get_and_check_params(self):
64 ns_info = NSInstModel.objects.filter(id=self.ns_instance_id)
66 errmsg = 'NS [id=%s] does not exist' % self.ns_instance_id
67 raise NSLCMException(errmsg)
69 self.heal_ns_data = ignore_case_get(self.request_data, 'healNsData')
70 self.heal_vnf_data = ignore_case_get(self.request_data, 'healVnfData')
72 if self.heal_ns_data and self.heal_vnf_data:
73 errmsg = 'healNsData and healVnfData can not exist together'
75 raise NSLCMException(errmsg)
77 if not self.heal_ns_data and not self.heal_vnf_data:
78 errmsg = 'healNsData and healVnfData parameters does not exist or value is incorrect.'
79 raise NSLCMException(errmsg)
82 if self.heal_vnf_data:
83 vnf_heal_params = self.prepare_vnf_heal_params(self.heal_vnf_data)
84 status = self.do_vnf_or_ns_heal(vnf_heal_params, 15)
85 if status is JOB_MODEL_STATUS.FINISHED:
86 logger.info('nf[%s] heal handle end' % vnf_heal_params.get('vnfInstanceId'))
87 self.update_job(90, desc='nf[%s] heal handle end' % vnf_heal_params.get('vnfInstanceId'))
89 errmsg = 'nf heal failed'
90 raise NSLCMException(errmsg)
92 ns_heal_params = self.prepare_ns_heal_params(self.heal_ns_data)
93 for ns_heal_param in ns_heal_params:
94 status = self.do_vnf_or_ns_heal(ns_heal_param, 15)
95 if status is JOB_MODEL_STATUS.FINISHED:
96 logger.info('nf[%s] heal handle end' % ns_heal_param.get('vnfInstanceId'))
97 self.update_job(90, desc='nf[%s] heal handle end' % ns_heal_param.get('vnfInstanceId'))
99 errmsg = 'nf heal failed'
101 raise NSLCMException(errmsg)
103 def do_vnf_or_ns_heal(self, heal_param, progress):
104 instance_id = heal_param.get('vnfInstanceId')
105 nf_service = NFHealService(instance_id, heal_param)
108 progress, desc='nf[%s] heal handle start' % instance_id)
109 status = self.wait_job_finish(nf_service.job_id)
112 def prepare_ns_heal_params(self, ns_data):
113 degree_healing = ignore_case_get(ns_data, 'degreeHealing')
114 if not degree_healing:
115 errmsg = 'degreeHealing does not exist.'
117 raise NSLCMException(errmsg)
118 ns_instance_id = self.ns_instance_id
120 # action = ignore_case_get(ns_data, 'actionsHealing')
121 if degree_healing == "HEAL_RESTORE":
122 ns_inst_infos = NfInstModel.objects.filter(ns_inst_id=self.ns_instance_id)
123 if not ns_inst_infos.exists():
124 raise NSLCMException('NSInsts(%s) does not exist' % self.ns_instance_id)
126 for ns_inst_info in ns_inst_infos:
127 vnfc_insts = VNFCInstModel.objects.filter(nfinstid=ns_inst_info.nfinstid)
128 # If a condition is not met, will it all terminate?
129 if not vnfc_insts.exists():
130 raise NSLCMException('vnfcinsts(%s) does not exist' % ns_inst_info.nfinstid)
131 for vnfc_inst in vnfc_insts:
132 vm_id = vnfc_inst.vmid
133 vdu_id = vnfc_inst.vduid
134 vm_inst_info = VmInstModel.objects.filter(vmid=vm_id)
135 if not vm_inst_info.exists():
136 raise NSLCMException('vminstinfo(%s) does not exist' % vm_id)
137 vm_name = vm_inst_info[0].vmname
140 "vnfInstanceId": ns_instance_id,
142 "additionalParams": {
143 "action": "restartvm",
151 result_arr.append(result)
154 errmsg = 'The degree of healing dose not exist or value is incorrect.'
156 raise NSLCMException(errmsg)
158 def prepare_vnf_heal_params(self, vnf_data):
159 vnf_instance_id = ignore_case_get(vnf_data, 'vnfInstanceId')
160 if not vnf_instance_id:
161 errmsg = 'vnfinstanceid does not exist or value is incorrect.'
163 raise NSLCMException(errmsg)
164 cause = ignore_case_get(vnf_data, 'cause')
165 additional_params = ignore_case_get(vnf_data, 'additionalParams')
166 action = ignore_case_get(additional_params, 'action')
167 action_vm_info = ignore_case_get(additional_params, 'actionvminfo')
168 vm_id = ignore_case_get(action_vm_info, 'vmid')
169 vdu_id = ignore_case_get(action_vm_info, 'vduid')
170 vm_name = ignore_case_get(action_vm_info, 'vmname')
173 "vnfInstanceId": vnf_instance_id,
175 "additionalParams": {
187 def wait_job_finish(sub_job_id, timeout=3600):
189 start_time = end_time = datetime.datetime.now()
190 while (end_time - start_time).seconds < timeout:
191 job_result = JobModel.objects.get(jobid=sub_job_id)
192 time.sleep(query_interval)
193 end_time = datetime.datetime.now()
194 if job_result.progress == JOB_PROGRESS.FINISHED:
195 return JOB_MODEL_STATUS.FINISHED
196 elif job_result.progress > JOB_PROGRESS.FINISHED:
197 return JOB_MODEL_STATUS.ERROR
200 return JOB_MODEL_STATUS.TIMEOUT
202 def update_job(self, progress, desc=''):
203 JobUtil.add_job_status(self.job_id, progress, desc)
205 def update_ns_status(self, status):
206 NSInstModel.objects.filter(
207 id=self.ns_instance_id).update(status=status)