1 # Copyright 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.
20 from lcm.ns.biz.scaleaspect import get_scale_vnf_data_info_list
21 from lcm.ns.enum import NS_INST_STATUS
22 from lcm.pub.database.models import JobModel, NSInstModel
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
26 from lcm.ns_vnfs.biz.scale_vnfs import NFManualScaleService
27 from lcm.ns.biz.ns_lcm_op_occ import NsLcmOpOcc
30 SCALE_TYPE = ("SCALE_NS", "SCALE_VNF")
31 logger = logging.getLogger(__name__)
34 class NSManualScaleService(threading.Thread):
35 def __init__(self, ns_instance_id, request_data, job_id):
36 super(NSManualScaleService, self).__init__()
37 self.ns_instance_id = ns_instance_id
38 self.request_data = request_data
40 self.occ_id = NsLcmOpOcc.create(ns_instance_id, "SCALE", "PROCESSING", False, request_data)
41 self.scale_vnf_data = ''
46 except NSLCMException as e:
47 JobUtil.add_job_status(self.job_id, JOB_ERROR, e.message)
48 NsLcmOpOcc.update(self.occ_id, operationState="FAILED", error=e.message)
49 except Exception as e:
50 logger.error(e.message)
51 logger.error(traceback.format_exc())
52 JobUtil.add_job_status(self.job_id, JOB_ERROR, 'ns scale fail')
53 NsLcmOpOcc.update(self.occ_id, operationState="FAILED", error=e.message)
55 self.update_ns_status(NS_INST_STATUS.ACTIVE)
58 self.update_job(1, desc='ns scale start')
59 self.update_ns_status(NS_INST_STATUS.SCALING)
60 self.check_and_set_params()
62 self.update_job(100, desc='ns scale success')
63 NsLcmOpOcc.update(self.occ_id, "COMPLETED")
65 def check_and_set_params(self):
66 scale_type = ignore_case_get(self.request_data, 'scaleType')
67 if scale_type != SCALE_TYPE[0]:
68 raise NSLCMException('scaleType should be SCALE_NS.')
70 scale_ns_data = ignore_case_get(self.request_data, 'scaleNsData')
71 self.scale_vnf_data = get_scale_vnf_data_info_list(
72 scale_ns_data, self.ns_instance_id)
73 logger.debug('scale_vnf_data = %s' % self.scale_vnf_data)
74 if not self.scale_vnf_data:
75 raise NSLCMException('Failed to get scaleVnfData parameter')
77 def do_vnfs_scale(self):
78 for i in range(len(self.scale_vnf_data)):
79 vnf_scale_params = self.prepare_vnf_scale_params(
80 self.scale_vnf_data[i])
81 count = len(self.scale_vnf_data)
82 progress_range = [11 + 80 / count * i, 10 + 80 / count * (i + 1)]
83 status = self.do_vnf_scale(vnf_scale_params, progress_range)
84 if status is JOB_MODEL_STATUS.FINISHED:
86 'nf[%s] scale handle end' %
87 vnf_scale_params.get('vnfInstanceId'))
90 desc='nf[%s] scale handle end' %
91 vnf_scale_params.get('vnfInstanceId'))
93 raise NSLCMException('VNF scale failed')
95 def prepare_vnf_scale_params(self, vnf_data):
97 "vnfInstanceId": ignore_case_get(vnf_data, 'vnfInstanceId'),
98 "scaleVnfData": ignore_case_get(vnf_data, 'scaleByStepData'),
99 "nsInstanceId": self.ns_instance_id
102 def do_vnf_scale(self, vnf_scale_params, progress_range):
103 nf_inst_id = vnf_scale_params.get('vnfInstanceId')
104 nf_service = NFManualScaleService(nf_inst_id, vnf_scale_params)
108 desc='nf[%s] scale handle start' %
110 status = self.wait_job_finish(nf_service.job_id)
114 def wait_job_finish(sub_job_id, timeout=3600):
116 start_time = end_time = datetime.datetime.now()
117 while (end_time - start_time).seconds < timeout:
118 job_result = JobModel.objects.get(jobid=sub_job_id)
119 time.sleep(query_interval)
120 end_time = datetime.datetime.now()
121 if job_result.progress == 100:
122 return JOB_MODEL_STATUS.FINISHED
123 if job_result.progress > 100:
124 return JOB_MODEL_STATUS.ERROR
125 return JOB_MODEL_STATUS.TIMEOUT
127 def update_job(self, progress, desc=''):
128 JobUtil.add_job_status(self.job_id, progress, desc)
130 def update_ns_status(self, status):
131 NSInstModel.objects.filter(
132 id=self.ns_instance_id).update(