watcher.applier.action_plan.default

Source code for watcher.applier.action_plan.default

# -*- encoding: utf-8 -*-
# Copyright (c) 2015 b<>com
#
# Authors: Jean-Emile DARTOIS <jean-emile.dartois@b-com.com>
#
# 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.
#
from oslo_log import log

from watcher.applier.action_plan import base
from watcher.applier import default
from watcher.common import exception
from watcher import notifications
from watcher import objects
from watcher.objects import fields

LOG = log.getLogger(__name__)


[docs]class DefaultActionPlanHandler(base.BaseActionPlanHandler): def __init__(self, context, service, action_plan_uuid): super(DefaultActionPlanHandler, self).__init__() self.ctx = context self.service = service self.action_plan_uuid = action_plan_uuid
[docs] def execute(self): try: action_plan = objects.ActionPlan.get_by_uuid( self.ctx, self.action_plan_uuid, eager=True) if action_plan.state == objects.action_plan.State.CANCELLED: self._update_action_from_pending_to_cancelled() return action_plan.state = objects.action_plan.State.ONGOING action_plan.save() notifications.action_plan.send_action_notification( self.ctx, action_plan, action=fields.NotificationAction.EXECUTION, phase=fields.NotificationPhase.START) applier = default.DefaultApplier(self.ctx, self.service) applier.execute(self.action_plan_uuid) action_plan.state = objects.action_plan.State.SUCCEEDED action_plan.save() notifications.action_plan.send_action_notification( self.ctx, action_plan, action=fields.NotificationAction.EXECUTION, phase=fields.NotificationPhase.END) except exception.ActionPlanCancelled as e: LOG.exception(e) action_plan.state = objects.action_plan.State.CANCELLED self._update_action_from_pending_to_cancelled() action_plan.save() notifications.action_plan.send_cancel_notification( self.ctx, action_plan, action=fields.NotificationAction.CANCEL, phase=fields.NotificationPhase.END) except Exception as e: LOG.exception(e) action_plan = objects.ActionPlan.get_by_uuid( self.ctx, self.action_plan_uuid, eager=True) if action_plan.state == objects.action_plan.State.CANCELLING: action_plan.state = objects.action_plan.State.FAILED action_plan.save() notifications.action_plan.send_cancel_notification( self.ctx, action_plan, action=fields.NotificationAction.CANCEL, priority=fields.NotificationPriority.ERROR, phase=fields.NotificationPhase.ERROR) else: action_plan.state = objects.action_plan.State.FAILED action_plan.save() notifications.action_plan.send_action_notification( self.ctx, action_plan, action=fields.NotificationAction.EXECUTION, priority=fields.NotificationPriority.ERROR, phase=fields.NotificationPhase.ERROR)
def _update_action_from_pending_to_cancelled(self): filters = {'action_plan_uuid': self.action_plan_uuid, 'state': objects.action.State.PENDING} actions = objects.Action.list(self.ctx, filters=filters, eager=True) if actions: for a in actions: a.state = objects.action.State.CANCELLED a.save()
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