Source code for octavia.controller.worker.v2.tasks.lifecycle_tasks

#    Copyright 2016 Rackspace
#
#    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 taskflow import task

from octavia.common import constants
from octavia.controller.worker import task_utils as task_utilities


[docs]class BaseLifecycleTask(task.Task): """Base task to instansiate common classes.""" def __init__(self, **kwargs): self.task_utils = task_utilities.TaskUtils() super().__init__(**kwargs)
[docs]class AmphoraIDToErrorOnRevertTask(BaseLifecycleTask): """Task to checkpoint Amphora lifecycle milestones."""
[docs] def execute(self, amphora_id): pass
[docs] def revert(self, amphora_id, *args, **kwargs): self.task_utils.mark_amphora_status_error(amphora_id)
[docs]class AmphoraToErrorOnRevertTask(AmphoraIDToErrorOnRevertTask): """Task to checkpoint Amphora lifecycle milestones."""
[docs] def execute(self, amphora): pass
[docs] def revert(self, amphora, *args, **kwargs): super().revert( amphora.get(constants.ID))
[docs]class HealthMonitorToErrorOnRevertTask(BaseLifecycleTask): """Task to set a member to ERROR on revert."""
[docs] def execute(self, health_mon, listeners, loadbalancer): pass
[docs] def revert(self, health_mon, listeners, loadbalancer, *args, **kwargs): self.task_utils.mark_health_mon_prov_status_error( health_mon[constants.HEALTHMONITOR_ID]) self.task_utils.mark_pool_prov_status_active( health_mon[constants.POOL_ID]) self.task_utils.mark_loadbalancer_prov_status_active( loadbalancer[constants.LOADBALANCER_ID]) for listener in listeners: self.task_utils.mark_listener_prov_status_active( listener[constants.LISTENER_ID])
[docs]class L7PolicyToErrorOnRevertTask(BaseLifecycleTask): """Task to set a l7policy to ERROR on revert."""
[docs] def execute(self, l7policy, listeners, loadbalancer_id): pass
[docs] def revert(self, l7policy, listeners, loadbalancer_id, *args, **kwargs): self.task_utils.mark_l7policy_prov_status_error( l7policy[constants.L7POLICY_ID]) self.task_utils.mark_loadbalancer_prov_status_active(loadbalancer_id) for listener in listeners: self.task_utils.mark_listener_prov_status_active( listener[constants.LISTENER_ID])
[docs]class L7RuleToErrorOnRevertTask(BaseLifecycleTask): """Task to set a l7rule to ERROR on revert."""
[docs] def execute(self, l7rule, l7policy_id, listeners, loadbalancer_id): pass
[docs] def revert(self, l7rule, l7policy_id, listeners, loadbalancer_id, *args, **kwargs): self.task_utils.mark_l7rule_prov_status_error( l7rule[constants.L7RULE_ID]) self.task_utils.mark_l7policy_prov_status_active(l7policy_id) self.task_utils.mark_loadbalancer_prov_status_active( loadbalancer_id) for listener in listeners: self.task_utils.mark_listener_prov_status_active( listener[constants.LISTENER_ID])
[docs]class ListenerToErrorOnRevertTask(BaseLifecycleTask): """Task to set a listener to ERROR on revert."""
[docs] def execute(self, listener): pass
[docs] def revert(self, listener, *args, **kwargs): self.task_utils.mark_listener_prov_status_error( listener[constants.LISTENER_ID]) self.task_utils.mark_loadbalancer_prov_status_active( listener[constants.LOADBALANCER_ID])
[docs]class ListenersToErrorOnRevertTask(BaseLifecycleTask): """Task to set a listener to ERROR on revert."""
[docs] def execute(self, listeners): pass
[docs] def revert(self, listeners, *args, **kwargs): for listener in listeners: self.task_utils.mark_listener_prov_status_error( listener[constants.LISTENER_ID]) self.task_utils.mark_loadbalancer_prov_status_active( listeners[0][constants.LOADBALANCER_ID])
[docs]class LoadBalancerIDToErrorOnRevertTask(BaseLifecycleTask): """Task to set the load balancer to ERROR on revert."""
[docs] def execute(self, loadbalancer_id): pass
[docs] def revert(self, loadbalancer_id, *args, **kwargs): self.task_utils.mark_loadbalancer_prov_status_error(loadbalancer_id)
[docs]class LoadBalancerToErrorOnRevertTask(LoadBalancerIDToErrorOnRevertTask): """Task to set the load balancer to ERROR on revert."""
[docs] def execute(self, loadbalancer): pass
[docs] def revert(self, loadbalancer, *args, **kwargs): super().revert( loadbalancer[constants.LOADBALANCER_ID])
[docs]class MemberToErrorOnRevertTask(BaseLifecycleTask): """Task to set a member to ERROR on revert."""
[docs] def execute(self, member, listeners, loadbalancer, pool_id): pass
[docs] def revert(self, member, listeners, loadbalancer, pool_id, *args, **kwargs): self.task_utils.mark_member_prov_status_error( member[constants.MEMBER_ID]) for listener in listeners: self.task_utils.mark_listener_prov_status_active( listener[constants.LISTENER_ID]) self.task_utils.mark_pool_prov_status_active(pool_id) self.task_utils.mark_loadbalancer_prov_status_active( loadbalancer[constants.LOADBALANCER_ID])
[docs]class MembersToErrorOnRevertTask(BaseLifecycleTask): """Task to set members to ERROR on revert."""
[docs] def execute(self, members, listeners, loadbalancer, pool_id): pass
[docs] def revert(self, members, listeners, loadbalancer, pool_id, *args, **kwargs): for m in members: self.task_utils.mark_member_prov_status_error( m[constants.MEMBER_ID]) for listener in listeners: self.task_utils.mark_listener_prov_status_active( listener[constants.LISTENER_ID]) self.task_utils.mark_pool_prov_status_active(pool_id) self.task_utils.mark_loadbalancer_prov_status_active( loadbalancer[constants.LOADBALANCER_ID])
[docs]class PoolToErrorOnRevertTask(BaseLifecycleTask): """Task to set a pool to ERROR on revert."""
[docs] def execute(self, pool_id, listeners, loadbalancer): pass
[docs] def revert(self, pool_id, listeners, loadbalancer, *args, **kwargs): self.task_utils.mark_pool_prov_status_error(pool_id) self.task_utils.mark_loadbalancer_prov_status_active( loadbalancer[constants.LOADBALANCER_ID]) for listener in listeners: self.task_utils.mark_listener_prov_status_active( listener[constants.LISTENER_ID])