121 lines
4.1 KiB
Python
121 lines
4.1 KiB
Python
# Copyright (C) 2022 Fujitsu
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import threading
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from oslo_log import log as logging
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from oslo_utils import encodeutils
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from tacker import context as tacker_context
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from tacker.sol_refactored.common import config as cfg
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from tacker.sol_refactored.common import vnflcm_utils
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from tacker.sol_refactored.conductor import conductor_rpc_v2 as rpc
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from tacker.sol_refactored import objects
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class ServerNotificationTimer():
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def __init__(self, vnf_instance_id, expiration_time, expiration_handler):
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self.lock = threading.Lock()
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self.expired = False
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self.queue = []
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self.vnf_instance_id = vnf_instance_id
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self.expiration_handler = expiration_handler
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self.timer = threading.Timer(expiration_time, self.expire)
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self.timer.start()
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def expire(self):
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_expired = False
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with self.lock:
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if not self.expired:
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self._cancel()
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_expired = True
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if _expired:
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self.expiration_handler(
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self.vnf_instance_id, list(set(self.queue)))
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def append(self, vnfc_instance_ids):
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with self.lock:
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if not self.expired:
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self.queue.extend(vnfc_instance_ids)
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def _cancel(self):
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self.timer.cancel()
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self.expired = True
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def cancel(self):
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with self.lock:
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if not self.expired:
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self._cancel()
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def __del__(self):
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self.cancel()
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class ServerNotificationDriver():
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_instance = None
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@staticmethod
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def instance():
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if not ServerNotificationDriver._instance:
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ServerNotificationDriver._instance = (
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ServerNotificationDriverMain()
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if CONF.server_notification.server_notification
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else ServerNotificationDriver())
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return ServerNotificationDriver._instance
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def notify(self, vnf_instance_id, vnfc_instance_ids):
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pass
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def remove_timer(self, vnf_instance_id):
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pass
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class ServerNotificationDriverMain(ServerNotificationDriver):
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def __init__(self):
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self.timer_map = {}
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self.expiration_time = CONF.server_notification.timer_interval
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self.rpc = rpc.VnfLcmRpcApiV2()
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def notify(self, vnf_instance_id, vnfc_instance_ids):
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if vnf_instance_id not in self.timer_map:
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self.timer_map[vnf_instance_id] = ServerNotificationTimer(
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vnf_instance_id, self.expiration_time, self.timer_expired)
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self.timer_map[vnf_instance_id].append(vnfc_instance_ids)
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def remove_timer(self, vnf_instance_id):
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if vnf_instance_id in self.timer_map:
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self.timer_map[vnf_instance_id].cancel()
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del self.timer_map[vnf_instance_id]
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def request_heal(self, vnf_instance_id, vnfc_instance_ids):
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heal_req = objects.HealVnfRequest(vnfcInstanceId=vnfc_instance_ids)
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body = heal_req.to_dict()
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LOG.info("server_notification auto healing is processed: %s.",
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vnf_instance_id)
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context = tacker_context.get_admin_context()
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try:
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vnflcm_utils.heal(context, vnf_instance_id, body)
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except Exception as exp:
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LOG.error(str(body))
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LOG.error("server_notification auto healing is failed: %s.",
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encodeutils.exception_to_unicode(exp))
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def timer_expired(self, vnf_instance_id, vnfc_instance_ids):
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self.remove_timer(vnf_instance_id)
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self.request_heal(vnf_instance_id, vnfc_instance_ids)
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