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# Copyright (C) 2018 Verizon. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# import json
import logging
import traceback
from threading import Thread
from lcm.pub.database.models import NfInstModel, VmInstModel, VNFCInstModel
from lcm.pub.exceptions import NFLCMException
from lcm.pub.utils.jobutil import JobUtil
from lcm.pub.utils.timeutil import now_time
from lcm.pub.utils.notificationsutil import NotificationsUtil
from lcm.pub.utils.values import ignore_case_get
from lcm.pub.vimapi import adaptor
from lcm.nf.biz.grant_vnf import grant_resource
from lcm.nf.const import VNF_STATUS, RESOURCE_MAP, GRANT_TYPE, OPERATION_STATE_TYPE, LCM_NOTIFICATION_STATUS, CHANGE_TYPE, OPERATION_TYPE
import uuid
logger = logging.getLogger(__name__)
class OperateVnf(Thread):
def __init__(self, data, nf_inst_id, job_id):
super(OperateVnf, self).__init__()
self.data = data
self.nf_inst_id = nf_inst_id
self.job_id = job_id
self.grant_type = GRANT_TYPE.OPERATE
self.changeStateTo = ignore_case_get(self.data, "changeStateTo")
self.stopType = ignore_case_get(self.data, "stopType")
self.gracefulStopTimeout = ignore_case_get(self.data, "gracefulStopTimeout")
self.inst_resource = {'vm': []}
def run(self):
try:
self.lcm_notify(LCM_NOTIFICATION_STATUS.START, OPERATION_STATE_TYPE.STARTING)
self.apply_grant()
self.query_inst_resource()
self.lcm_notify(LCM_NOTIFICATION_STATUS.RESULT, OPERATION_STATE_TYPE.PROCESSING)
self.operate_resource()
JobUtil.add_job_status(self.job_id, 100, "Operate Vnf success.")
NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='INSTANTIATED', lastuptime=now_time())
self.lcm_notify(LCM_NOTIFICATION_STATUS.RESULT, OPERATION_STATE_TYPE.COMPLETED)
except NFLCMException as e:
self.lcm_notify(LCM_NOTIFICATION_STATUS.RESULT, OPERATION_STATE_TYPE.FAILED, str(e))
self.vnf_operate_failed_handle(e.message)
except Exception as e:
logger.error(e.message)
self.lcm_notify(LCM_NOTIFICATION_STATUS.RESULT, OPERATION_STATE_TYPE.FAILED, str(e))
self.vnf_operate_failed_handle(traceback.format_exc())
def apply_grant(self):
vdus = VmInstModel.objects.filter(instid=self.nf_inst_id)
apply_result = grant_resource(data=self.data, nf_inst_id=self.nf_inst_id, job_id=self.job_id,
grant_type=self.grant_type, vdus=vdus)
logger.info("Grant resource, response: %s" % apply_result)
JobUtil.add_job_status(self.job_id, 20, 'Nf Operate grant_resource finish')
def query_inst_resource(self):
logger.info('Query resource begin')
# Querying only vm resources now
resource_type = "Vm"
resource_table = globals().get(resource_type + 'InstModel')
resource_insts = resource_table.objects.filter(instid=self.nf_inst_id)
for resource_inst in resource_insts:
if not resource_inst.resourceid:
continue
self.inst_resource[RESOURCE_MAP.get(resource_type)].append(self.get_resource(resource_inst))
logger.info('Query resource end, resource=%s' % self.inst_resource)
def get_resource(self, resource):
return {
"vim_id": resource.vimid,
"tenant_id": resource.tenant,
"id": resource.resourceid
}
def operate_resource(self):
logger.info('Operate resource begin')
adaptor.operate_vim_res(self.inst_resource, self.changeStateTo, self.stopType, self.gracefulStopTimeout, self.do_notify_op)
logger.info('Operate resource complete')
def lcm_notify(self, status, opState, err=None):
notification_content = self.prepareNotificationData(status, opState, err)
logger.info('Notify data = %s' % notification_content)
NotificationsUtil().send_notification(notification_content)
logger.info('Notify end')
def vnf_operate_failed_handle(self, error_msg):
logger.error('VNF Operation failed, detail message: %s' % error_msg)
NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.FAILED, lastuptime=now_time())
JobUtil.add_job_status(self.job_id, 255, error_msg)
def do_notify_op(self, status, resid):
logger.error('VNF resource %s updated to: %s' % (resid, status))
def prepareNotificationData(self, status, opState, err=None):
affected_vnfcs = []
if status == LCM_NOTIFICATION_STATUS.RESULT and opState == OPERATION_STATE_TYPE.COMPLETED:
vnfcs = VNFCInstModel.objects.filter(instid=self.nf_inst_id)
for vnfc in vnfcs:
vm_resource = {}
if vnfc.vmid:
vm = VmInstModel.objects.filter(vmid=vnfc.vmid)
if vm:
vm_resource = {
'vimConnectionId': vm[0].vimid,
'resourceId': vm[0].resourceid,
'vimLevelResourceType': 'vm'
}
affected_vnfcs.append({
'id': vnfc.vnfcinstanceid,
'vduId': vnfc.vduid,
'changeType': CHANGE_TYPE.MODIFIED,
'computeResource': vm_resource
})
notification_content = {
"id": str(uuid.uuid4()),
"notificationType": "VnfLcmOperationOccurrenceNotification",
"subscriptionId": "",
"timeStamp": now_time(),
"notificationStatus": status,
"operationState": opState,
"vnfInstanceId": self.nf_inst_id,
"operation": OPERATION_TYPE.OPERATE,
"isAutomaticInvocation": "false",
"vnfLcmOpOccId": self.job_id,
"affectedVnfcs": affected_vnfcs,
"affectedVirtualLinks": [],
"affectedVirtualStorages": [],
"changedInfo": {},
"changedExtConnectivity": [],
"_links": {"vnfInstance": {"href": ""},
"subscription": {"href": ""},
"vnfLcmOpOcc": {"href": ""}}
}
if opState in (OPERATION_STATE_TYPE.FAILED, OPERATION_STATE_TYPE.FAILED_TEMP):
notification_content["error"] = {"status": 500, "detail": err}
notification_content["_links"]["vnfInstance"]["href"] = "/vnf_instances/%s" % self.nf_inst_id
notification_content["_links"]["vnfLcmOpOcc"]["href"] = "/vnf_lc_ops/%s" % self.job_id
return notification_content
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